Update Dossier

Fertig M4
Aufgabe 7
2023-12-08 18:43:42 +01:00 · 2023-12-08 18:42:04 +01:00 · 2023-12-08 17:21:01 +01:00 · 2023-12-03 17:20:50 +01:00 · 2023-12-03 17:19:42 +01:00 · 2023-12-02 23:10:15 +01:00
107 changed files with 10512 additions and 984 deletions
--- a/.idea/dataSources/a1d1df29-b94a-4ad6-bd6f-a458b97a6c0c.xml
+++ b/.idea/dataSources/a1d1df29-b94a-4ad6-bd6f-a458b97a6c0c.xml
--- a/.idea/dataSources/a1d1df29-b94a-4ad6-bd6f-a458b97a6c0c/storage_v2/_src_/schema/mysql.osA4Bg.meta
+++ b/.idea/dataSources/a1d1df29-b94a-4ad6-bd6f-a458b97a6c0c/storage_v2/_src_/schema/mysql.osA4Bg.meta
@@ -0,0 +1,2 @@
+#n:mysql
+!<md> [null, 0, null, null, -2147483648, -2147483648]
--- a/.idea/dataSources/a1d1df29-b94a-4ad6-bd6f-a458b97a6c0c/storage_v2/_src_/schema/performance_schema.kIw0nw.meta
+++ b/.idea/dataSources/a1d1df29-b94a-4ad6-bd6f-a458b97a6c0c/storage_v2/_src_/schema/performance_schema.kIw0nw.meta
@@ -0,0 +1,2 @@
+#n:performance_schema
+!<md> [null, 0, null, null, -2147483648, -2147483648]
--- a/.idea/php.xml
+++ b/.idea/php.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MessDetectorOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCSFixerOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCodeSnifferOptionsConfiguration">
+    <option name="highlightLevel" value="WARNING" />
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PhpProjectSharedConfiguration" php_language_level="7.4">
+    <option name="suggestChangeDefaultLanguageLevel" value="false" />
+  </component>
+  <component name="PhpStanOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PsalmOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+</project>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -5,7 +5,18 @@
  </component>
  <component name="ChangeListManager">
    <list default="true" id="6dcbe3e4-9d68-41d8-8c39-5cfbe5cd4a21" name="Changes" comment="">
-      <change beforePath="$PROJECT_DIR$/M3/M3.md" beforeDir="false" afterPath="$PROJECT_DIR$/M3/M3.md" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/M4/emensa/controllers/MainController.php" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/M4/emensa/models/gerichte_main.php" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/M4/emensa/public/css/style.css" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/M4/emensa/public/img/fh-logo.jpg" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/M4/emensa/public/img/mensa21.jpg" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/M4/emensa/views/layouts/main_layout.blade.php" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/M4/emensa/views/main/index.blade.php" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/M4/emensa/models/gerichte_self.php" beforeDir="false" afterPath="$PROJECT_DIR$/M4/emensa/models/gerichte_self.php" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/M4/emensa/routes/web.php" beforeDir="false" afterPath="$PROJECT_DIR$/M4/emensa/routes/web.php" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/M4/emensa/storage/cache/.layouts.m4_7d_layout_ecc36cbad49aa38782cc08cc5e9ca6c7ae3590d0.bladec" beforeDir="false" afterPath="$PROJECT_DIR$/M4/emensa/storage/cache/.layouts.m4_7d_layout_ecc36cbad49aa38782cc08cc5e9ca6c7ae3590d0.bladec" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/M4/emensa/views/layouts/m4_7d_layout.blade.php" beforeDir="false" afterPath="$PROJECT_DIR$/M4/emensa/views/layouts/m4_7d_layout.blade.php" afterDir="false" />
    </list>
    <option name="SHOW_DIALOG" value="false" />
    <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -27,10 +38,10 @@
    <option name="stateVersion" value="1" />
  </component>
  <component name="PhpWorkspaceProjectConfiguration" interpreter_name="Xampp" />
-  <component name="ProjectColorInfo"><![CDATA[{
-  "customColor": "",
-  "associatedIndex": 0
-}]]></component>
+  <component name="ProjectColorInfo">{
+  &quot;customColor&quot;: &quot;&quot;,
+  &quot;associatedIndex&quot;: 0
+}</component>
  <component name="ProjectId" id="2YZcMNXBUidjAecPVKM66b1DdlE" />
  <component name="ProjectViewState">
    <option name="hideEmptyMiddlePackages" value="true" />
@@ -42,12 +53,13 @@
    "RunOnceActivity.ShowReadmeOnStart": "true",
    "WebServerToolWindowFactoryState": "false",
    "database.data.extractors.current.export.id": "Comma-separated (CSV)_id",
-    "git-widget-placeholder": "dev/robert__m3",
-    "last_opened_file_path": "C:/Users/rober/Documents/GitHub/DBWT-Praktika/M3/werbeseite_daten.sql",
+    "git-widget-placeholder": "dev/m4__robert",
+    "last_opened_file_path": "C:/Users/rober/Documents/GitHub/DBWT-Praktika/M4/emensa/public/img",
    "node.js.detected.package.eslint": "true",
    "node.js.detected.package.tslint": "true",
    "node.js.selected.package.eslint": "(autodetect)",
    "node.js.selected.package.tslint": "(autodetect)",
+    "nodejs_package_manager_path": "npm",
    "settings.editor.selected.configurable": "preferences.pluginManager",
    "vue.rearranger.settings.migration": "true"
  },
@@ -57,6 +69,12 @@
    ]
  }
 }]]></component>
+  <component name="RecentsManager">
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="C:\Users\rober\Documents\GitHub\DBWT-Praktika\M4\emensa\public\img" />
+      <recent name="C:\Users\rober\Documents\GitHub\DBWT-Praktika\M4\emensa\public\css" />
+    </key>
+  </component>
  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
  <component name="TaskManager">
    <task active="true" id="Default" summary="Default task">
@@ -66,6 +84,7 @@
      <option name="presentableId" value="Default" />
      <updated>1700736495450</updated>
      <workItem from="1700736497007" duration="15223000" />
+      <workItem from="1702027267170" duration="12429000" />
    </task>
    <servers />
  </component>
--- a/M3/Werbeseite/index.php
+++ b/M3/Werbeseite/index.php
@@ -223,7 +223,6 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
        }

    </style>
-
 </head>
 <body>
 <div class="grid">
@@ -261,36 +260,43 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {

            $tabelle = "<table class=\"speisen\"><tr class=\"speisen\"> <td>Gerichte</td><td>Preis intern</td><td>Preis extern</td><td>Bild</td></tr>";

-            $verwendete_allergene = [];
+            $verwendete_allergene_code = [];
            $verwendete_allergene_string = "";

            while ($row_gerichte = mysqli_fetch_assoc($result_sql_gerichte)) {

+                // Abfrage der vorhandenen Allergene im aktuellen Gericht
+
                $sql_gericht_hat_allergene = "SELECT * FROM gericht_hat_allergen WHERE gericht_id=" . $row_gerichte['id'];
                $result_sql_gericht_hat_allergene = mysqli_query($link, $sql_gericht_hat_allergene);
                $allergene = "";
                while ($row_allergene = mysqli_fetch_assoc($result_sql_gericht_hat_allergene)) {
                    $allergene .= $row_allergene['code'] . ", ";

-                    if (!in_array($row_allergene['code'], $verwendete_allergene)) {
-                        $verwendete_allergene[] = $row_allergene['code'];
+                    if (!in_array($row_allergene['code'], $verwendete_allergene_code)) {
+                        $verwendete_allergene_code[] = $row_allergene['code'];
                    }
                }

+                // Preise in EUR
+
                $preisintern = number_format($row_gerichte['preisintern'], 2, ',', '.');
                $preisextern = number_format($row_gerichte['preisextern'], 2, ',', '.');

+                // Ausgabe des aktuellen Gerichts
+
                $tabelle .= "<tr class=\"speisen\"><td>" . $row_gerichte['name'] . " <sup>" . $allergene . "</sup></td><td>" . $preisintern . "€</td><td>" . $preisextern . "€</td><td>Kein Bild in der Datenbank </td></tr>";
            }
            $tabelle .= "</table>";
            echo $tabelle;

+            // Abfrage der Allergen Code und Name

            $sql_allergen = "SELECT code, name FROM allergen";
            $result_sql_allergen = mysqli_query($link, $sql_allergen);

            while ($row_allergen = mysqli_fetch_assoc($result_sql_allergen)){
-                if (in_array($row_allergen['code'], $verwendete_allergene)){
+                if (in_array($row_allergen['code'], $verwendete_allergene_code)){
                    $verwendete_allergene_string .= "<sup>".$row_allergen['code']."</sup> ". $row_allergen['name']. ", ";
                }
            }
--- a/M3/Werbeseite/newletter.txt
+++ b/M3/Werbeseite/newletter.txt
@@ -1 +1 @@
-1
+2
--- a/M3/Werbeseite/subscriptions.json
+++ b/M3/Werbeseite/subscriptions.json
@@ -1 +1 @@
-[{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Ro","email":"robert-joel@web.de","language":"deutsch","terms":"on"},{"name":"Robert","email":"robert-joel@web.de","language":"deutsch","terms":"on"}]
+[{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Ro","email":"robert-joel@web.de","language":"deutsch","terms":"on"},{"name":"Robert","email":"robert-joel@web.de","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"}]
--- a/M4/.idea/.gitignore
+++ b/M4/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
--- a/M4/.idea/M4.iml
+++ b/M4/.idea/M4.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
--- a/M4/.idea/dataSources.xml
+++ b/M4/.idea/dataSources.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="emensawerbeseite" uuid="0a2c3473-febe-491a-b3f1-82e9ba5b153f">
+      <driver-ref>mariadb</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.mariadb.jdbc.Driver</jdbc-driver>
+      <jdbc-url>jdbc:mariadb://localhost:3306</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>
--- a/M4/.idea/modules.xml
+++ b/M4/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/M4.iml" filepath="$PROJECT_DIR$/.idea/M4.iml" />
+    </modules>
+  </component>
+</project>
--- a/M4/.idea/php.xml
+++ b/M4/.idea/php.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MessDetectorOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCSFixerOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PHPCodeSnifferOptionsConfiguration">
+    <option name="highlightLevel" value="WARNING" />
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PhpProjectSharedConfiguration" php_language_level="8.0" />
+  <component name="PhpStanOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+  <component name="PsalmOptionsConfiguration">
+    <option name="transferred" value="true" />
+  </component>
+</project>
--- a/M4/.idea/sqldialects.xml
+++ b/M4/.idea/sqldialects.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SqlDialectMappings">
+    <file url="PROJECT" dialect="MariaDB" />
+  </component>
+</project>
--- a/M4/.idea/vcs.xml
+++ b/M4/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
--- a/M4/Dossier/.$Aufgabe1.drawio.bkp
+++ b/M4/Dossier/.$Aufgabe1.drawio.bkp
@@ -0,0 +1,19 @@
+<mxfile host="Electron" modified="2023-12-01T15:21:01.688Z" agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/22.1.2 Chrome/114.0.5735.289 Electron/25.9.4 Safari/537.36" etag="78gUQK1TRnweegfurtHK" version="22.1.2" type="device">
+  <diagram name="Seite-1" id="jhCbnHoXzx65MXILfqUJ">
+    <mxGraphModel dx="1050" dy="725" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="827" pageHeight="1169" math="0" shadow="0">
+      <root>
+        <mxCell id="0" />
+        <mxCell id="1" parent="0" />
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-1" value="" style="rhombus;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+          <mxGeometry x="320" y="240" width="160" height="80" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-2" value="" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+          <mxGeometry x="80" y="240" width="160" height="80" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-3" value="" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+          <mxGeometry x="560" y="240" width="160" height="80" as="geometry" />
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+</mxfile>
--- a/M4/Dossier/.$Aufgabe1.drawio.dtmp
+++ b/M4/Dossier/.$Aufgabe1.drawio.dtmp
@@ -0,0 +1,91 @@
+<mxfile host="Electron" modified="2023-12-02T22:05:22.197Z" agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/22.1.2 Chrome/114.0.5735.289 Electron/25.9.4 Safari/537.36" etag="rtvPorWLK5CfuI4500ka" version="22.1.2" type="device">
+  <diagram name="Seite-1" id="jhCbnHoXzx65MXILfqUJ">
+    <mxGraphModel dx="1048" dy="722" grid="0" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="827" pageHeight="1169" math="0" shadow="0">
+      <root>
+        <mxCell id="0" />
+        <mxCell id="1" parent="0" />
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-1" value="erstellt" style="rhombus;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+          <mxGeometry x="320" y="240" width="160" height="80" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-2" value="Wunschgericht" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+          <mxGeometry x="560" y="240" width="160" height="80" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-3" value="Ersteller" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+          <mxGeometry x="80" y="240" width="160" height="80" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-4" value="Name" style="ellipse;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+          <mxGeometry x="560" y="140" width="80" height="40" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-5" value="Beschreibung" style="ellipse;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+          <mxGeometry x="680" y="140" width="80" height="40" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-6" value="Erstellungs-datum" style="ellipse;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+          <mxGeometry x="500" y="180" width="80" height="40" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-7" value="ID" style="ellipse;whiteSpace=wrap;html=1;fontStyle=4" parent="1" vertex="1">
+          <mxGeometry x="620" y="180" width="80" height="40" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-12" value="" style="endArrow=none;html=1;rounded=0;entryX=0.5;entryY=1;entryDx=0;entryDy=0;" parent="1" target="8l75yZ3mhxg1qXRySu_G-5" edge="1">
+          <mxGeometry width="50" height="50" relative="1" as="geometry">
+            <mxPoint x="700" y="240" as="sourcePoint" />
+            <mxPoint x="750" y="190" as="targetPoint" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-13" value="" style="endArrow=none;html=1;rounded=0;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.621;entryY=0.005;entryDx=0;entryDy=0;entryPerimeter=0;" parent="1" source="8l75yZ3mhxg1qXRySu_G-7" target="8l75yZ3mhxg1qXRySu_G-2" edge="1">
+          <mxGeometry width="50" height="50" relative="1" as="geometry">
+            <mxPoint x="730" y="280" as="sourcePoint" />
+            <mxPoint x="780" y="230" as="targetPoint" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-14" value="" style="endArrow=none;html=1;rounded=0;entryX=0.5;entryY=1;entryDx=0;entryDy=0;" parent="1" target="8l75yZ3mhxg1qXRySu_G-4" edge="1">
+          <mxGeometry width="50" height="50" relative="1" as="geometry">
+            <mxPoint x="600" y="240" as="sourcePoint" />
+            <mxPoint x="628" y="154" as="targetPoint" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-15" value="" style="endArrow=none;html=1;rounded=0;entryX=1;entryY=1;entryDx=0;entryDy=0;exitX=0.15;exitY=0.003;exitDx=0;exitDy=0;exitPerimeter=0;" parent="1" source="8l75yZ3mhxg1qXRySu_G-2" target="8l75yZ3mhxg1qXRySu_G-6" edge="1">
+          <mxGeometry width="50" height="50" relative="1" as="geometry">
+            <mxPoint x="610" y="250" as="sourcePoint" />
+            <mxPoint x="610" y="170" as="targetPoint" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-17" value="" style="endArrow=none;html=1;rounded=0;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;" parent="1" edge="1">
+          <mxGeometry width="50" height="50" relative="1" as="geometry">
+            <mxPoint x="480" y="279.66" as="sourcePoint" />
+            <mxPoint x="560" y="279.66" as="targetPoint" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-18" value="Name" style="ellipse;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+          <mxGeometry x="80" y="160" width="80" height="40" as="geometry" />
+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-19" value="&lt;u&gt;E-Mail&lt;/u&gt;" style="ellipse;whiteSpace=wrap;html=1;" parent="1" vertex="1">
+          <mxGeometry x="170" y="160" width="80" height="40" as="geometry" />
+        </mxCell>
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--- a/M4/Dossier/Aufgabe1.drawio
+++ b/M4/Dossier/Aufgabe1.drawio
@@ -0,0 +1,91 @@
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+        </mxCell>
+        <mxCell id="8l75yZ3mhxg1qXRySu_G-19" value="&lt;u&gt;E-Mail&lt;/u&gt;" style="ellipse;whiteSpace=wrap;html=1;" parent="1" vertex="1">
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--- a/M4/Dossier/ERD
+++ b/M4/Dossier/ERD
--- a/M4/Dossier/M4.md
+++ b/M4/Dossier/M4.md
@@ -0,0 +1,153 @@
+# Aufgabe 1
+> Dauer: 2 h
+## 1)
+![ERD](ERD M4-1-1.png)
+## 2) Datenbankentwurf in Relationenschreibweise
+```sql
+use emensawerbeseite;
+
+-- Tabelle 'Ersteller' erstellen
+CREATE TABLE IF NOT EXISTS Ersteller (
+    EMail VARCHAR(255) PRIMARY KEY,
+    Name VARCHAR(255) DEFAULT 'anonym'
+);
+
+-- Tabelle 'Wunschgericht' erstellen
+CREATE TABLE IF NOT EXISTS Wunschgericht (
+    ID INT AUTO_INCREMENT PRIMARY KEY,
+    Name VARCHAR(255) NOT NULL,
+    Beschreibung TEXT,
+    Erstellungsdatum DATE NOT NULL,
+    Ersteller_EMail VARCHAR(255) NOT NULL,
+    FOREIGN KEY (Ersteller_EMail) REFERENCES Ersteller(EMail)
+);
+```
+## 6)
+### a)
+````sql
+select * from wunschgericht order by Erstellungsdatum desc limit 5;
+````
+### b) 
+````sql
+-- basierend auf M3 6) 4)
+select ersteller.Name,
+       count(Ersteller_EMail) as anzahl from wunschgericht, ersteller where ersteller.EMail = wunschgericht.Ersteller_EMail
+group by Ersteller_EMail
+order by anzahl desc ;
+````
+---
+# Aufgabe 2
+> Dauer: 2h
+
+Bei der Übergabe von Daten in die DB müssen diese geprüft werden.
+Bei der Ausgabe von Daten aus der DB im HTML Code müssen diese Maskiert werden.
+ ````php
+// wunschgericht.php
+// Zeile 33
+$sql_ersteller_exists = "SELECT * FROM ersteller WHERE EMail = '" .  $ersteller_email . "'";
+$sql_ersteller_exists = "SELECT * FROM ersteller WHERE EMail = '" . mysqli_real_escape_string($link, $ersteller_email) . "'";
+
+// Zeile 36
+$sql_ersteller = "INSERT INTO ersteller(EMail, Name) VALUES ('" . $ersteller_email . "','" . $ersteller_name . "')";
+$sql_ersteller = "INSERT INTO ersteller(EMail, Name) VALUES ('" . mysqli_real_escape_string($link, $ersteller_email) . "','" . mysqli_real_escape_string($link, $ersteller_name) . "')";
+
+// Zeile 42
+$sql = "INSERT INTO wunschgericht(Name, Beschreibung, Erstellungsdatum, Ersteller_EMail) VALUES ('" . $gericht_name . "','" . $gericht_beschreibung . "','". $date ."','" . $ersteller_email . "')";
+$sql = "INSERT INTO wunschgericht(Name, Beschreibung, Erstellungsdatum, Ersteller_EMail) VALUES ('" . mysqli_real_escape_string($link, $gericht_name) . "','" . mysqli_real_escape_string($link, $gericht_beschreibung) . "','".$date."','" . mysqli_real_escape_string($link, $ersteller_email) . "')";
+?>
+````
+
+````php
+// index.php
+// Zeile 43
+$sql_besucher = "UPDATE besucher_counter SET besucher =".$besucherCount;
+$sql_besucher = "UPDATE besucher_counter SET besucher =". mysqli_real_escape_string($link, $besucherCount);
+
+// Zeile 190
+$tabelle .= "<tr class=\"speisen\"><td>" . $row_gerichte['name'] . " <sup>" . $allergene . "</sup></td><td>" . $preisintern . "€</td><td>" . $preisextern . "€</td><td>Kein Bild in der Datenbank </td></tr>";
+$tabelle .= "<tr class=\"speisen\"><td>" . htmlspecialchars($row_gerichte['name']) . " <sup>" . htmlspecialchars($allergene) . "</sup></td><td>" . htmlspecialchars($preisintern) . "€</td><td>" . htmlspecialchars($preisextern) . "€</td><td>Kein Bild in der Datenbank </td></tr>";
+
+
+// Zeile 202
+$verwendete_allergene_string .= "<sup>".$row_allergen['code']."</sup> ". $row_allergen['name']. ", ";
+$verwendete_allergene_string .= "<sup>". htmlspecialchars($row_allergen['code']) ."</sup> ". htmlspecialchars($row_allergen['name']) . ", ";
+
+// Zeile 214f
+echo $besucherCount;
+echo $newletterCount;
+
+echo htmlspecialchars($besucherCount); 
+echo htmlspecialchars($newletterCount);
+            
+// Zeile 220
+echo $ausgabe["COUNT(id)"];
+echo htmlspecialchars($ausgabe["COUNT(id)"]);
+````
+Bei der Newsletteranmeldung sollte man sich auch ggf. überlegen, wie man die Eingaben prüft un zu vermeiden, das schadhafter Code gespeichert und später abgerufen wird.
+
+# Aufgabe 4
+> Dauer 1,5 h
+1. Eindeutigkeit für die Kombination aus Gericht und Kategorie sicherstellen
+    ````sql
+    ALTER TABLE gericht_hat_kategorie
+    ADD CONSTRAINT gericht_kategorie_unique UNIQUE (gericht_id, kategorie_id);
+    ````
+2. In der Tabelle gericht soll eine Abfrage nach Name beschleunigt werden.
+    ````sql
+    ALTER TABLE gericht
+    ADD INDEX idx_name (name);
+    ````
+3. Bei Löschung eines Gerichts sollen 
+   1) die zugehörigen Zuordnungen zu einer Kategorie sowie 
+    ````sql
+    ALTER TABLE gericht_hat_kategorie
+    DROP FOREIGN KEY gericht_hat_kategorie_ibfk_1,  -- (gericht_id) -> gericht(id)
+    ADD CONSTRAINT gericht_hat_kategorie_ibfk_1_new
+    FOREIGN KEY (gericht_id) REFERENCES gericht(id)
+    ON DELETE CASCADE;
+    ````
+   2) die zugehörigen Zuordnungen zu Allergenen automatisch mit gelöscht werden.
+   ````sql
+    ALTER TABLE gericht_hat_allergen
+    DROP FOREIGN KEY gericht_hat_allergen_ibfk_2, -- (gericht_id) -> gericht(id)
+    ADD CONSTRAINT gericht_hat_allergen_ibfk_2_new
+    FOREIGN KEY (gericht_id) REFERENCES gericht(id)
+    ON DELETE CASCADE;
+    ````
+4. Eine Kategorie kann nur dann gelöscht werden, wenn
+   1) dieser keine Gerichte zugeordnet sind und
+   ````sql
+    ALTER TABLE gericht_hat_kategorie
+    ADD CONSTRAINT fk_gericht_hat_kategorie_kategorie_id
+    FOREIGN KEY (kategorie_id) REFERENCES kategorie(id)
+    ON DELETE RESTRICT;
+    ````
+   2) diese keine Kindkategorien besitzt.
+    ````sql
+    ALTER TABLE kategorie
+   ADD CONSTRAINT fk_kategorie_eltern_id
+   FOREIGN KEY (eltern_id) REFERENCES kategorie(id)
+   ON DELETE RESTRICT;
+    ````
+5. Wird der Code eines Allergens verändert, so ändert sich dieser Code automatisch in den referenzierenden Datensätzen.
+    ````sql
+    ALTER TABLE gericht_hat_allergen
+    DROP FOREIGN KEY gericht_hat_allergen_ibfk_1, -- (code) -> allergen(code)
+    ADD CONSTRAINT gericht_hat_allergen_ibfk_1_new
+    FOREIGN KEY (code) REFERENCES allergen(code)
+    ON UPDATE CASCADE;
+    ````
+6. Eine Kombination aus ``gericht_id`` und ``kategorie_id`` in ``gericht_hat_kategorie`` soll als Primärschlüssel dienen.
+    ````sql
+    ALTER TABLE gericht_hat_kategorie
+    ADD PRIMARY KEY (gericht_id, kategorie_id);
+    ````
+
+# Aufgabe 6
+> Dauer 20 min
+
+# Aufgabe 7
+> Dauer 2,5 h
+
+# Aufgabe 8
+> Dauer 1 h
--- a/M4/M4.pdf
+++ b/M4/M4.pdf
--- a/M4/Werbeseite/besucher.txt
+++ b/M4/Werbeseite/besucher.txt
@@ -0,0 +1 @@
+218
--- a/M4/Werbeseite/fh-logo.jpg
+++ b/M4/Werbeseite/fh-logo.jpg
--- a/M4/Werbeseite/gerichte.php
+++ b/M4/Werbeseite/gerichte.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * Praktikum DBWT. Autoren:
+ * Şafak, Hazinedar, 3108590
+ * Robert, Joel, 3672729
+ */
+
+
+$gerichte = [
+    1 => ['name' => 'Rindfleich mit Bambus, Kaiserschoten und roter Paprika, dazu Mie Nudeln',
+        'priceint' => 3.50,
+        "priceex" => 6.20,
+        "img" =>"img/bambus.jpg"
+    ],
+    2 => ['name' => 'Spinatrisotto mit kleinen Samosateigecken und gemischter Salat',
+        'priceint' => 2.90,
+        "priceex" => 5.30,
+        "img" =>"img/risotto.jpg"
+    ],
+    3 => ['name' => 'Spaghetti Bolognese',
+        'priceint' => 3,
+        "priceex" => 5,
+        "img" =>"img/bolo.jpg"
+    ],
+    4 => ['name' => 'Spaghetti Carbonara',
+        'priceint' => 3,
+        "priceex" => 5,
+        "img" =>"img/carbonara.jpg"
+    ]
+]
+?>
--- a/M4/Werbeseite/img/bambus.jpg
+++ b/M4/Werbeseite/img/bambus.jpg
--- a/M4/Werbeseite/img/bolo.jpg
+++ b/M4/Werbeseite/img/bolo.jpg
--- a/M4/Werbeseite/img/carbonara.jpg
+++ b/M4/Werbeseite/img/carbonara.jpg
--- a/M4/Werbeseite/img/risotto.jpg
+++ b/M4/Werbeseite/img/risotto.jpg
--- a/M4/Werbeseite/index.php
+++ b/M4/Werbeseite/index.php
@@ -0,0 +1,274 @@
+<?php
+/**
+ * Praktikum DBWT. Autoren:
+ * Şafak, Hazinedar, 3108590
+ * Robert, Joel, 3672729
+ */
+
+include "gerichte.php";
+
+$besucherCount = 0;
+$newletterCount = 0;
+
+// Datenbankanbindung
+//$link = mysqli_connect(
+    //"127.0.0.1", // Host der Datenbank
+    //"root", // Benutzername zur Anmeldung
+    //"wm#32", // Passwort
+    //"emensawerbeseite" // Auswahl der Datenbanken (bzw. des Schemas)
+//);
+
+$link = mysqli_connect(
+"127.0.0.1", // Host der Datenbank
+"root", // Benutzername zur Anmeldung
+"admin", // Passwort
+"emensawerbeseite" // Auswahl der Datenbanken (bzw. des Schemas)
+);
+
+if (!$link) {
+    echo "Verbindung fehlgeschlagen: ", mysqli_connect_error();
+    exit();
+}
+
+//Besucher counter
+
+//Aktuelle Besucher Zahl
+$sql_besucher = "SELECT besucher FROM besucher_counter WHERE id=1";
+$result_sql_besucher = mysqli_query($link, $sql_besucher);
+$besucher = mysqli_fetch_assoc($result_sql_besucher);
+
+//Updatet Besucher Zahl
+$besucherCount = $besucher["besucher"] + 1;
+$sql_besucher = "UPDATE besucher_counter SET besucher =". mysqli_real_escape_string($link, $besucherCount);
+$result_sql_besucher = mysqli_query($link, $sql_besucher);
+
+//Newletter counter
+if (file_exists("newletter.txt")) {
+    $newsFile = fopen("newletter.txt", "r");
+    $newletterCount = fgets($newsFile);
+    fclose($newsFile);
+} else {
+    $newsFile = fopen("newletter.txt", "w");
+    fwrite($newsFile, 0);
+    fclose($newsFile);
+}
+
+//Newletter Anmeldung
+if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+    $name = $_POST['name'];
+    $email = $_POST['email'];
+    $language = $_POST['language'];
+    $terms = $_POST['terms'];
+
+    $errors = array();
+    //Error handling
+    if (empty(trim($name))) {
+        $errors[] = "Bitte geben Sie einen Namen ein.";
+    }
+
+    if (!isset($terms)) {
+        $errors[] = "Bitte stimmen Sie den Datenschutzbestimmungen zu.";
+    }
+
+    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
+        $errors[] = "Bitte geben Sie eine gültige E-Mail-Adresse ein.";
+    }
+
+    $spam_domains = array("rcpt.at", "damnthespam.at", "wegwerfmail.de", "trashmail");
+
+    foreach ($spam_domains as $domain) {
+        if (str_contains($email, $domain)) {
+            $errors[] = "Bitte geben Sie eine gültige E-Mail-Adresse ein, keine Wegwerf- oder Spam-E-Mail-Adresse.";
+            break;
+        }
+    }
+
+    if (empty($errors)) {
+        $data = array(
+            "name" => $name,
+            "email" => $email,
+            "language" => $language,
+            "terms" => $terms
+        );
+        //File writing
+        $file = "subscriptions.json";
+        $current_data = file_exists($file) ? json_decode(file_get_contents($file), true) : array();
+        $current_data[] = $data;
+
+        if (file_put_contents($file, json_encode($current_data))) {
+            echo '<script type="text/javascript"> alert("Vielen Dank für Ihre Anmeldung zum Newsletter.");</script>';
+
+            //Newsletter counter
+            $newletterCount++;
+            $newsFile = fopen("newletter.txt", "w");
+            fwrite($newsFile, $newletterCount);
+            fclose($newsFile);
+        } else {
+            echo '<script type="text/javascript">alert("Es gab einen Fehler bei Ihrer Anmeldung. Bitte versuchen Sie es erneut.");</script>';
+        }
+    } else {
+        $error_string = "";
+        foreach ($errors as $error) {
+            $error_string .= $error . '\n';
+        }
+
+        echo '<script type="text/javascript">alert("' . $error_string . '");</script>';
+    }
+}
+
+?>
+
+
+<!DOCTYPE html>
+<html lang="en" xmlns="http://www.w3.org/1999/html">
+<head>
+    <meta charset="UTF-8">
+    <title>Ihre E-Mensa</title>
+    <link rel="stylesheet" href="style.css">
+</head>
+<body>
+<div class="grid">
+    <div>
+        <img src="fh-logo.jpg" alt="FH-Logo">
+    </div>
+    <div>
+        <a href="#ankündigung">Ankündigung</a>
+        <a href="#speisen">Speisen</a>
+        <a href="#zahlen">Zahlen</a>
+        <a href="#kontakt">Kontakt</a>
+        <a href="#wichtig">Wichtig für uns</a>
+
+    </div>
+</div>
+<hr>
+<div class="grid">
+    <div></div>
+    <div>
+        <img src="mensa21.jpg" alt="Essen">
+        <h1 id="ankündigung">Bald gibt es auch Essen online ;)</h1>
+        <p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et
+            dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet
+            clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet,
+            consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat,
+            sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no
+            sea takimata sanctus est Lorem ipsum dolor sit amet.</p>
+        <h1 id="speisen">Köstlichkeiten die Sie erwarten</h1>
+
+        <!-- Speisekarte -->
+        <?php
+        //Gerichte aus Datenbank
+            $sql_gerichte = "SELECT * FROM gericht ORDER BY RAND() LIMIT 5";
+            $result_sql_gerichte = mysqli_query($link, $sql_gerichte);
+
+            $tabelle = "<table class=\"speisen\"><tr class=\"speisen\"> <td>Gerichte</td><td>Preis intern</td><td>Preis extern</td><td>Bild</td></tr>";
+
+            $verwendete_allergene_code = [];
+            $verwendete_allergene_string = "";
+
+            while ($row_gerichte = mysqli_fetch_assoc($result_sql_gerichte)) {
+
+                // Abfrage der vorhandenen Allergene im aktuellen Gericht
+
+                $sql_gericht_hat_allergene = "SELECT * FROM gericht_hat_allergen WHERE gericht_id=" . $row_gerichte['id'];
+                $result_sql_gericht_hat_allergene = mysqli_query($link, $sql_gericht_hat_allergene);
+                $allergene = "";
+                while ($row_allergene = mysqli_fetch_assoc($result_sql_gericht_hat_allergene)) {
+                    $allergene .= $row_allergene['code'] . ", ";
+
+                    if (!in_array($row_allergene['code'], $verwendete_allergene_code)) {
+                        $verwendete_allergene_code[] = $row_allergene['code'];
+                    }
+                }
+
+                // Preise in EUR
+
+                $preisintern = number_format($row_gerichte['preisintern'], 2, ',', '.');
+                $preisextern = number_format($row_gerichte['preisextern'], 2, ',', '.');
+
+                // Ausgabe des aktuellen Gerichts
+
+                $tabelle .= "<tr class=\"speisen\"><td>" . htmlspecialchars($row_gerichte['name']) . " <sup>" . htmlspecialchars($allergene) . "</sup></td><td>" . htmlspecialchars($preisintern) . "€</td><td>" . htmlspecialchars($preisextern) . "€</td><td>Kein Bild in der Datenbank </td></tr>";
+            }
+            $tabelle .= "</table>";
+            echo $tabelle;
+
+            // Abfrage der Allergen Code und Name
+
+            $sql_allergen = "SELECT code, name FROM allergen";
+            $result_sql_allergen = mysqli_query($link, $sql_allergen);
+
+            while ($row_allergen = mysqli_fetch_assoc($result_sql_allergen)){
+                if (in_array($row_allergen['code'], $verwendete_allergene_code)){
+                    $verwendete_allergene_string .= "<sup>". htmlspecialchars($row_allergen['code']) ."</sup> ". htmlspecialchars($row_allergen['name']) . ", ";
+                }
+            }
+
+        echo $verwendete_allergene_string;
+        ?>
+
+        <h1>Für Sie nichts dabei? <a href="../Werbeseite/wunschgericht.php">Wunschgericht erfassen</a></h1>
+
+
+        <h1 id="zahlen">E-Mensa in Zahlen</h1>
+        <div class="zahlen">
+            <p><?php echo htmlspecialchars($besucherCount); ?> Besuche</p>
+            <p><?php echo htmlspecialchars($newletterCount); ?> Anmeldungen zum Newsletter</p><p>
+                <?php
+                $sql_gerichte = "SELECT COUNT(id) FROM gericht";
+                $result_sql_gerichte = mysqli_query($link, $sql_gerichte);
+                $ausgabe = mysqli_fetch_assoc($result_sql_gerichte);
+                echo htmlspecialchars($ausgabe["COUNT(id)"]);
+                ?>
+                Speisen
+            </p>
+        </div>
+        <h1 id="kontakt">Interesse geweckt? Wir informieren</h1>
+
+        <form method="post">
+            <div class="formular">
+                <div>
+                    <label for="name">Name:</label> <br>
+                    <input type="text" name="name" id="name" placeholder="Bitte geben Sie Ihren Namen ein">
+                </div>
+                <div>
+                    <label for="email">E-Mail:</label> <br>
+                    <input type="email" name="email" id="email" placeholder="Bitte geben Sie Ihre E-Mail ein">
+                </div>
+                <div>
+                    <label for="language">Newsletter bitte in:</label> <br>
+                    <select name="language" id="language">
+                        <option value="deutsch">Deutsch</option>
+                        <option value="englisch">Englisch</option>
+                    </select>
+                </div>
+            </div>
+            <br>
+            <input required type="checkbox" name="terms" id="terms">
+            <label for="terms">Den Datenschutzbestimmungen stimme ich zu</label>
+            <button type="submit">Zum Newsletter anmelden</button>
+        </form>
+
+
+        <h1 id="wichtig">Das ist uns wichtig</h1>
+        <div class="wichtig">
+            <ul class="wichtigListe">
+                <li>Beste frische saisonale Zutaten</li>
+                <li>Ausgewogen abwechslungsreiche Gerichte</li>
+                <li>Sauberkeit</li>
+            </ul>
+        </div>
+        <h1 class="freude">Wir freuen uns auf Ihren Besuch!</h1>
+    </div>
+</div>
+<footer>
+    <table class="fusszeile">
+        <tr>
+            <td>(c) E-Mensa GmbH</td>
+            <td>Şafak Hazinedar & Robert Joel</td>
+            <td><a href="">Impressum</a></td>
+        </tr>
+    </table>
+</footer>
+</body>
+
+</html>
--- a/M4/Werbeseite/mensa21.jpg
+++ b/M4/Werbeseite/mensa21.jpg
--- a/M4/Werbeseite/newletter.txt
+++ b/M4/Werbeseite/newletter.txt
@@ -0,0 +1 @@
+2
--- a/M4/Werbeseite/style.css
+++ b/M4/Werbeseite/style.css
@@ -0,0 +1,90 @@
+* {
+    font-family: Arial;
+}
+
+.grid {
+    display: grid;
+    grid-template-columns: 200px auto 200px;
+}
+
+img {
+    width: 100%;
+    height: auto;
+}
+
+.speisen {
+    border: solid;
+    border-collapse: collapse;
+}
+
+.speisen td {
+    border: solid;
+    border-collapse: collapse;
+    border-radius: 4px;
+    padding: 5px;
+    width: auto;
+}
+
+.speisen td:not(:first-of-type) {
+    text-align: center;
+}
+
+p {
+    text-align: justify;
+}
+
+.zahlen {
+    list-style-type: none;
+    display: grid;
+    grid-template-columns: auto auto auto;
+    gap: 10px;
+}
+
+.zahlen p {
+    text-align: center;
+    font-weight: bold;
+}
+
+.formular {
+    display: grid;
+    grid-template-columns: auto auto auto;
+    justify-content: start;
+    gap: 10px;
+}
+
+.wichtig {
+    text-align: center;
+}
+
+.wichtigListe {
+    display: inline-block;
+    text-align: left;
+}
+
+.freude {
+    text-align: center;
+}
+
+footer {
+    border-top: 1px solid;
+}
+
+.fusszeile {
+    padding-top: 20px;
+    padding-bottom: 20px;
+    margin-left: auto;
+    margin-right: auto;
+    border: none;
+}
+
+.fusszeile td:first-child {
+    border-left: none;
+    padding-left: 20px;
+    padding-right: 20px;
+}
+
+.fusszeile td {
+    border-left: 3px solid;
+    padding-left: 20px;
+    padding-right: 20px;
+}
--- a/M4/Werbeseite/subscriptions.json
+++ b/M4/Werbeseite/subscriptions.json
@@ -0,0 +1 @@
+[{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Ro","email":"robert-joel@web.de","language":"deutsch","terms":"on"},{"name":"Robert","email":"robert-joel@web.de","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"}]
--- a/M4/Werbeseite/wunschgericht.php
+++ b/M4/Werbeseite/wunschgericht.php
@@ -0,0 +1,104 @@
+<?php
+if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+    $gericht_name = $_POST['gericht_name'];
+    $gericht_beschreibung = $_POST['gericht_beschreibung'];
+    $ersteller_name = $_POST['ersteller_name'];
+    $ersteller_email = $_POST['ersteller_email'];
+
+    // Datenbankverbindung
+    $link = mysqli_connect(
+        "127.0.0.1",
+        "root",
+        "wm#32",
+        "emensawerbeseite"
+    );
+    if (!$link) {
+        echo "Verbindung fehlgeschlagen: ", mysqli_connect_error();
+        exit();
+    }
+
+    $error_count = 0;
+    $spam_domains = array("rcpt.at", "damnthespam.at", "wegwerfmail.de", "trashmail");
+
+    foreach ($spam_domains as $domain) {
+        if (str_contains($ersteller_email, $domain)) {
+            echo '<script type="text/javascript"> alert("Fehler bei den übermittelten Daten");</script>';
+            $error_count++;
+            break;
+        }
+    }
+
+    if(!$error_count){
+        // Ersteller in DB eintragen
+        $sql_ersteller_exists = "SELECT * FROM ersteller WHERE EMail = '" . mysqli_real_escape_string($link, $ersteller_email) . "'";
+        $result_ersteller_exists = mysqli_query($link,$sql_ersteller_exists);
+        if(mysqli_num_rows($result_ersteller_exists) == 0){
+            $sql_ersteller = "INSERT INTO ersteller(EMail, Name) VALUES ('" . mysqli_real_escape_string($link, $ersteller_email) . "','" . mysqli_real_escape_string($link, $ersteller_name) . "')";
+            $result_ersteller = mysqli_query($link,$sql_ersteller);
+        }
+
+        // Gericht in die DB eintragen
+        $date = date("Y-m-d");
+        $sql = "INSERT INTO wunschgericht(Name, Beschreibung, Erstellungsdatum, Ersteller_EMail) 
+            VALUES ('" . mysqli_real_escape_string($link, $gericht_name) . "','" . mysqli_real_escape_string($link, $gericht_beschreibung) . "','".$date."','" . mysqli_real_escape_string($link, $ersteller_email) . "')";
+        $result = mysqli_query($link, $sql);
+
+        if ($result) {
+            echo '<script type="text/javascript"> alert("Ihr Wunschgericht wurde erfolgreich gespeichert!");</script>';
+        }
+        else {
+            echo '<script type="text/javascript"> alert("Es gab einen Fehler: "' . mysqli_error($link) . '</script>';
+        }
+    }
+
+    mysqli_close($link);
+}
+?>
+
+<html lang="en" xmlns="http://www.w3.org/1999/html">
+<head>
+    <meta charset="UTF-8">
+    <title>Ihre E-Mensa</title>
+    <link rel="stylesheet" href="style.css">
+</head>
+<body>
+<div class="grid">
+    <div>
+        <img src="fh-logo.jpg" alt="FH-Logo">
+    </div>
+    <div>
+        <a href="index.php#ankündigung">Ankündigung</a>
+        <a href="index.php#speisen">Speisen</a>
+        <a href="index.php#zahlen">Zahlen</a>
+        <a href="index.php#kontakt">Kontakt</a>
+        <a href="index.php#wichtig">Wichtig für uns</a>
+    </div>
+</div>
+<hr>
+<form method="post" action="wunschgericht.php">
+    <div class="formular">
+        <label for="gericht_name">Name des Gerichts:</label>
+        <input type="text" name="gericht_name" id="gericht_name" required>
+        <br>
+        <label for="gericht_beschreibung">Beschreibung des Gerichts:</label>
+        <textarea name="gericht_beschreibung" id="gericht_beschreibung" required></textarea>
+        <br>
+        <label for="ersteller_name">Ihr Name:</label>
+        <input type="text" name="ersteller_name" id="ersteller_name">
+        <br>
+        <label for="ersteller_email">Ihre E-Mail Adresse:</label>
+        <input type="text" name="ersteller_email" id="ersteller_email" required>
+        <input type="submit" value="Wunsch abschicken">
+    </div>
+</form>
+</body>
+<footer>
+    <table class="fusszeile">
+        <tr>
+            <td>(c) E-Mensa GmbH</td>
+            <td>Şafak Hazinedar & Robert Joel</td>
+            <td><a href="">Impressum</a></td>
+        </tr>
+    </table>
+</footer>
+</html>
--- a/M4/emensa/README.md
+++ b/M4/emensa/README.md
@@ -0,0 +1,22 @@
+# Routingscript MVC
+
+little routing script for use in DBWT
+
+intended to run with only one dependency (bladeone).
+
+## usage
+
+* start this script by either executing `start_server.bat` or running `php -S 127.0.0.1:9000 -t public` in a shell from the project´s root directory.
+
+* [open the website](http://127.0.0.1:9000/)
+
+## folder overview
+
+* `bin/` is only necessary if you need to use composer and dont have it installed already
+* `config/` holds configuration files
+* `controllers/` contains all Controller Classes
+* `models/` contains the Model Classes
+* `public/` is the web root for your http server and contains the routing script itself, next to resources that will be accessible by http clients (css, js, images, etc.)
+* `storage/` is necessary to hold Blade Cache Files  
+* `views/` holds all View Files
+
--- a/M4/emensa/bin/composer.phar
+++ b/M4/emensa/bin/composer.phar
--- a/M4/emensa/composer.json
+++ b/M4/emensa/composer.json
@@ -0,0 +1,9 @@
+{
+    "name": "emensa/mvc",
+    "description": "routing script for module Datenbanken und Webtechnologien MVC",
+    "license": "proprietary",
+    "require": {
+        "eftec/bladeone": "^4.1",
+        "ext-mysqli": "*"
+    }
+}
--- a/M4/emensa/composer.lock
+++ b/M4/emensa/composer.lock
@@ -0,0 +1,80 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "0a19be8f09bdc5d4e2b07ba9e95a5801",
+    "packages": [
+        {
+            "name": "eftec/bladeone",
+            "version": "4.9",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/EFTEC/BladeOne.git",
+                "reference": "019036c226086fbe7591360d260067c5d82400ca"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/EFTEC/BladeOne/zipball/019036c226086fbe7591360d260067c5d82400ca",
+                "reference": "019036c226086fbe7591360d260067c5d82400ca",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "php": ">=7.2.5"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^8.5.23"
+            },
+            "suggest": {
+                "eftec/bladeonehtml": "Extension to create forms",
+                "ext-mbstring": "This extension is used if it's active"
+            },
+            "bin": [
+                "lib/bladeonecli"
+            ],
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "eftec\\bladeone\\": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jorge Patricio Castro Castillo",
+                    "email": "jcastro@eftec.cl"
+                }
+            ],
+            "description": "The standalone version Blade Template Engine from Laravel in a single php file",
+            "homepage": "https://github.com/EFTEC/BladeOne",
+            "keywords": [
+                "blade",
+                "php",
+                "template",
+                "templating",
+                "view"
+            ],
+            "support": {
+                "issues": "https://github.com/EFTEC/BladeOne/issues",
+                "source": "https://github.com/EFTEC/BladeOne/tree/4.9"
+            },
+            "time": "2023-05-01T12:48:42+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {
+        "ext-mysqli": "*"
+    },
+    "platform-dev": [],
+    "plugin-api-version": "2.6.0"
+}
--- a/M4/emensa/config/db.php
+++ b/M4/emensa/config/db.php
@@ -0,0 +1,9 @@
+<?php
+return [
+    'host' => 'localhost',  // 'localhost' or '127.0.0.1'
+    'user' => 'root',       // '<yourusername>'
+    'password' => 'admin', // '<yourpassword>'
+    'database' => 'emensawerbeseite',
+    // optionally: set port below if it differs from the default 3306
+    // 'port' => 13306 // !! this is not your webserver port, but the mariadb port
+];
--- a/M4/emensa/controllers/DemoController.php
+++ b/M4/emensa/controllers/DemoController.php
@@ -0,0 +1,36 @@
+<?php
+require_once($_SERVER['DOCUMENT_ROOT'].'/../models/gericht.php');
+require_once($_SERVER['DOCUMENT_ROOT'].'/../models/kategorie.php');
+
+class DemoController
+{
+    public function dbconnect() {
+        $data = db_gericht_select_all();
+        // Frage Daten aus kategorie ab:
+        // $data = db_kategorie_select_all();
+        return view('demo.dbdata', ['data' => $data]);
+    }
+
+    public function demo(RequestData $rd) {
+        $vars = [
+            'bgcolor' => $rd->query['bgcolor'] ?? 'ffffff',
+            'name' => $rd->query['name'] ?? 'Dich',
+            'rd' => $rd
+        ];
+        return view('demo.demo', $vars);
+    }
+
+    /**
+     * error action for debug purposes
+     * @throws Exception
+     * @noinspection PhpUnusedLocalVariableInspection
+     */
+    public function error(RequestData $rd) {
+        $test = $rd;
+        throw new Exception("Not implemented");
+    }
+
+    public function requestdata(RequestData $rd) {
+        return view('demo.requestdata', ['rd' => $rd]);
+    }
+}
--- a/M4/emensa/controllers/ExampleController.php
+++ b/M4/emensa/controllers/ExampleController.php
@@ -0,0 +1,47 @@
+<?php
+require_once($_SERVER['DOCUMENT_ROOT'].'/../models/kategorie.php');
+require_once($_SERVER['DOCUMENT_ROOT'].'/../models/gerichte_self.php');
+
+class ExampleController
+{
+    public function m4_6a_queryparameter(RequestData $rd) {
+        /*
+           Wenn Sie hier landen:
+           bearbeiten Sie diese Action,
+           so dass Sie die Aufgabe löst
+        */
+        $rd = $rd->query['name'] ?? 'Kein Name angegeben';
+
+        return view('examples.m4_7a_queryparameter', [
+            'request'=>$rd,
+            'url' => 'http' . (isset($_SERVER['HTTPS']) ? 's' : '') . '://' . "{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"
+        ]);
+    }
+
+
+    public function m4_7b_kategorie() {
+        $data = db_kategorie_select_all();
+
+        return view('examples.m4_7b_kategorie', [
+            'data'=>$data,
+        ]);
+    }
+
+
+    public function m4_7c_gerichte() {
+        $data = db_gericht_select_intern();
+
+        return view('examples.m4_7c_gerichte', [
+            'data'=>$data,
+        ]);
+    }
+
+    public function m4_7d(RequestData $rd) {
+
+        $rd = $rd->query['no'] ?? 1;
+        if ($rd == 1)
+            return view('examples.pages.m4_7d_page_1', []);
+        elseif ($rd == 2)
+            return view('examples.pages.m4_7d_page_2', []);
+    }
+}
--- a/M4/emensa/controllers/HomeController.php
+++ b/M4/emensa/controllers/HomeController.php
@@ -0,0 +1,14 @@
+<?php
+require_once($_SERVER['DOCUMENT_ROOT'].'/../models/gericht.php');
+
+/* Datei: controllers/HomeController.php */
+class HomeController
+{
+    public function index(RequestData $request) {
+        return view('home', ['rd' => $request ]);
+    }
+    
+    public function debug(RequestData $request) {
+        return view('debug');
+    }
+}
--- a/M4/emensa/controllers/MainController.php
+++ b/M4/emensa/controllers/MainController.php
@@ -0,0 +1,21 @@
+<?php
+require_once($_SERVER['DOCUMENT_ROOT'].'/../models/gerichte_main.php');
+
+class MainController
+{
+    public function index() {
+        /*
+           Wenn Sie hier landen:
+           bearbeiten Sie diese Action,
+           so dass Sie die Aufgabe löst
+        */
+
+        $data = db_gericht_select_karte();
+
+        return view('main.index', [
+            'data'=>$data,
+            'url' => 'http' . (isset($_SERVER['HTTPS']) ? 's' : '') . '://' . "{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"
+        ]);
+    }
+
+}
--- a/M4/emensa/models/gericht.php
+++ b/M4/emensa/models/gericht.php
@@ -0,0 +1,27 @@
+<?php
+/**
+ * Diese Datei enthält alle SQL Statements für die Tabelle "gerichte"
+ */
+function db_gericht_select_all() {
+    try {
+        $link = connectdb();
+
+        $sql = 'SELECT id, name, beschreibung FROM gericht ORDER BY name';
+        $result = mysqli_query($link, $sql);
+
+        $data = mysqli_fetch_all($result, MYSQLI_BOTH);
+
+        mysqli_close($link);
+    }
+    catch (Exception $ex) {
+        $data = array(
+            'id'=>'-1',
+            'error'=>true,
+            'name' => 'Datenbankfehler '.$ex->getCode(),
+            'beschreibung' => $ex->getMessage());
+    }
+    finally {
+        return $data;
+    }
+
+}
--- a/M4/emensa/models/gerichte_main.php
+++ b/M4/emensa/models/gerichte_main.php
@@ -0,0 +1,75 @@
+<?php
+
+function db_gericht_select_karte()
+{
+try {
+
+$link = connectdb();
+
+
+$sql_gerichte = "SELECT * FROM gericht ORDER BY RAND() LIMIT 5";
+$result_sql_gerichte = mysqli_query($link, $sql_gerichte);
+
+$tabelle = "<table class=\"speisen\"><tr class=\"speisen\"> <td>Gerichte</td><td>Preis intern</td><td>Preis extern</td><td>Bild</td></tr>";
+
+$verwendete_allergene_code = [];
+$verwendete_allergene_string = "";
+
+while ($row_gerichte = mysqli_fetch_assoc($result_sql_gerichte)) {
+
+    // Abfrage der vorhandenen Allergene im aktuellen Gericht
+
+    $sql_gericht_hat_allergene = "SELECT * FROM gericht_hat_allergen WHERE gericht_id=" . $row_gerichte['id'];
+    $result_sql_gericht_hat_allergene = mysqli_query($link, $sql_gericht_hat_allergene);
+    $allergene = "";
+    while ($row_allergene = mysqli_fetch_assoc($result_sql_gericht_hat_allergene)) {
+           $allergene .= $row_allergene['code'] . ", ";
+
+           if (!in_array($row_allergene['code'], $verwendete_allergene_code)) {
+               $verwendete_allergene_code[] = $row_allergene['code'];
+            }
+    }
+
+        // Preise in EUR
+
+        $preisintern = number_format($row_gerichte['preisintern'], 2, ',', '.');
+        $preisextern = number_format($row_gerichte['preisextern'], 2, ',', '.');
+
+        // Ausgabe des aktuellen Gerichts
+
+        $tabelle .= "<tr class=\"speisen\"><td>" . htmlspecialchars($row_gerichte['name']) . " <sup>" . htmlspecialchars($allergene) . "</sup></td><td>" . htmlspecialchars($preisintern) . "€</td><td>" . htmlspecialchars($preisextern) . "€</td><td>Kein Bild in der Datenbank </td></tr>";
+    }
+    $tabelle .= "</table>";
+
+    // Abfrage der Allergen Code und Name
+
+    $sql_allergen = "SELECT code, name FROM allergen";
+    $result_sql_allergen = mysqli_query($link, $sql_allergen);
+
+    while ($row_allergen = mysqli_fetch_assoc($result_sql_allergen)){
+        if (in_array($row_allergen['code'], $verwendete_allergene_code)){
+            $verwendete_allergene_string .= "<sup>". htmlspecialchars($row_allergen['code']) ."</sup> ". htmlspecialchars($row_allergen['name']) . ", ";
+        }
+    }
+
+
+    $data = [
+        "gericht" => $tabelle,
+        "allergene" => $verwendete_allergene_string
+    ];
+
+
+
+mysqli_close($link);
+
+
+} catch (Exception $ex) {
+$data = array(
+'id' => '-1',
+'error' => true,
+'name' => 'Datenbankfehler ' . $ex->getCode(),
+'beschreibung' => $ex->getMessage());
+} finally {
+return $data;
+}
+}
--- a/M4/emensa/models/gerichte_self.php
+++ b/M4/emensa/models/gerichte_self.php
@@ -0,0 +1,23 @@
+<?php
+
+function db_gericht_select_intern()
+{
+try {
+$link = connectdb();
+
+$sql = 'SELECT name, preisintern FROM gericht WHERE preisintern > 2 ORDER BY name DESC';
+$result = mysqli_query($link, $sql);
+
+$data = mysqli_fetch_all($result, MYSQLI_BOTH);
+
+mysqli_close($link);
+} catch (Exception $ex) {
+$data = array(
+'id' => '-1',
+'error' => true,
+'name' => 'Datenbankfehler ' . $ex->getCode(),
+'beschreibung' => $ex->getMessage());
+} finally {
+return $data;
+}
+}
--- a/M4/emensa/models/kategorie.php
+++ b/M4/emensa/models/kategorie.php
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Diese Datei enthält alle SQL Statements für die Tabelle "kategorie"
+ */
+function db_kategorie_select_all() {
+    $link = connectdb();
+
+    $sql = "SELECT * FROM kategorie ORDER BY name ASC";
+    $result = mysqli_query($link, $sql);
+
+    $data = mysqli_fetch_all($result, MYSQLI_BOTH);
+
+    mysqli_close($link);
+    return $data;
+}
--- a/M4/emensa/public/css/default.min.css
+++ b/M4/emensa/public/css/default.min.css
--- a/M4/emensa/public/css/style.css
+++ b/M4/emensa/public/css/style.css
@@ -0,0 +1,90 @@
+* {
+    font-family: Arial;
+}
+
+.grid {
+    display: grid;
+    grid-template-columns: 200px auto 200px;
+}
+
+img {
+    width: 100%;
+    height: auto;
+}
+
+.speisen {
+    border: solid;
+    border-collapse: collapse;
+}
+
+.speisen td {
+    border: solid;
+    border-collapse: collapse;
+    border-radius: 4px;
+    padding: 5px;
+    width: auto;
+}
+
+.speisen td:not(:first-of-type) {
+    text-align: center;
+}
+
+p {
+    text-align: justify;
+}
+
+.zahlen {
+    list-style-type: none;
+    display: grid;
+    grid-template-columns: auto auto auto;
+    gap: 10px;
+}
+
+.zahlen p {
+    text-align: center;
+    font-weight: bold;
+}
+
+.formular {
+    display: grid;
+    grid-template-columns: auto auto auto;
+    justify-content: start;
+    gap: 10px;
+}
+
+.wichtig {
+    text-align: center;
+}
+
+.wichtigListe {
+    display: inline-block;
+    text-align: left;
+}
+
+.freude {
+    text-align: center;
+}
+
+footer {
+    border-top: 1px solid;
+}
+
+.fusszeile {
+    padding-top: 20px;
+    padding-bottom: 20px;
+    margin-left: auto;
+    margin-right: auto;
+    border: none;
+}
+
+.fusszeile td:first-child {
+    border-left: none;
+    padding-left: 20px;
+    padding-right: 20px;
+}
+
+.fusszeile td {
+    border-left: 3px solid;
+    padding-left: 20px;
+    padding-right: 20px;
+}
--- a/M4/emensa/public/favicon.ico
+++ b/M4/emensa/public/favicon.ico
--- a/M4/emensa/public/img/fh-logo.jpg
+++ b/M4/emensa/public/img/fh-logo.jpg
--- a/M4/emensa/public/img/mensa21.jpg
+++ b/M4/emensa/public/img/mensa21.jpg
--- a/M4/emensa/public/img/test.jpg
+++ b/M4/emensa/public/img/test.jpg
--- a/M4/emensa/public/index.php
+++ b/M4/emensa/public/index.php
@@ -0,0 +1,337 @@
+<?php
+const VERBOSITY = 0;
+const PUBLIC_DIRNAME = "public";
+const CONFIG_WEBROUTES = "/../routes/web.php"; // like in laravel
+const CONFIG_DB = "/../config/db.php";
+const ROUTER_VERSION = '0.8.2';
+
+assert_php_version('8.2.0');
+assert_path();
+
+try {
+    if (!file_exists(realpath($_SERVER['DOCUMENT_ROOT'] . "/../vendor/autoload.php"))) {
+        echo "<h1>Abhängigkeiten nicht gefunden</h1><pre>DOCUMENT_ROOT: {$_SERVER['DOCUMENT_ROOT']}</pre><br><p>Datei nicht gefunden: <strong>{$_SERVER['DOCUMENT_ROOT']}/../vendor/autoload.php</strong></p>";
+        echo "<p>Häufigste Ursache</p><ul>
+            <li>Das Verzeichnis <code>public/</code> ist <em>nicht</em> als Wurzelverzeichnis verwendet worden.</li>
+            <li>Die Abhängigkeiten wurden nicht mit <code>composer update</code> installiert.</code></li>
+            </ul>";
+        exit(1);
+    }
+    // file exists
+    require_once realpath($_SERVER['DOCUMENT_ROOT'] . "/../vendor/autoload.php");
+
+} catch (Exception $ex) {
+    echo "<code>DOCUMENT_ROOT</code><br><pre>{$_SERVER['DOCUMENT_ROOT']}</pre><code>Error</code><br><pre>" . $ex->getMessage() . "</pre>";
+}
+
+use eftec\bladeone\BladeOne;
+
+/* Routing Script for PHP Dev Server */
+$verbosity = VERBOSITY;
+if (preg_match('/\.(?:css|js|png|jpg|jpeg|gif)$/', $_SERVER["REQUEST_URI"])) {
+    return false;
+} else {
+    if ($verbosity > 1) {
+        echo
+            "<pre>Verbosity-Level: <strong>{$verbosity}</strong></pre>" .
+            "<pre>" . print_r($_SERVER, 1) . "</pre><hr>";
+    }
+    FrontController::handleRequest("$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]", $_SERVER['REQUEST_METHOD'], VERBOSITY);
+}
+
+class RequestData
+{
+    /**
+     * @var array Request Querystring, broken down to key-value pairs
+     */
+    public array $query;
+    /**
+     * @var array Request arguments from path, after cutting two segments out for controller and action names
+     */
+    public array $args;
+    /**
+     * @var string HTTP Verb used
+     */
+    public string $method;
+
+    public function getData()
+    {
+        return array_merge($_GET, $_POST);
+    }
+
+    /**
+     * @return array
+     */
+    public function getPostData()
+    {
+        return $_POST;
+    }
+
+    /**
+     * @return array
+     */
+    public function getGetData()
+    {
+        return $_GET;
+    }
+
+    /**
+     * RequestData is the way the Router will provide information, use it in your Action methods.
+     * @param $method string Verb used
+     * @param $args array Arguments
+     * @param $query array Key-Value Pairs
+     */
+    public function __construct($method, $args, $query)
+    {
+        $this->query = $query;
+        $this->args = $args;
+        $this->method = $method;
+    }
+}
+
+class FrontController
+{
+
+    public static function handleRequest($url, $method = 'GET', $verbosity = 0, $configPath = CONFIG_WEBROUTES)
+    {
+        assert_blade(); // check if the class is found
+
+        if (!str_contains($url, ':')) $url = $_SERVER['HTTP_HOST'] . ':' . $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI'];
+
+        $scriptPath = dirname(__FILE__, 2) . '/';
+        $controllerDirectory = $scriptPath . 'controllers/';
+
+        // get a router/web-like config array to override filebased convention
+        $config = FrontController::getConfig($configPath);
+
+        // /Impressum/ --> ImpressumController->index()
+        $request = parse_url($url);
+        $ctrlName = $request['path'];
+        $actionName = 'index';
+        $args = array();
+        $query = array();
+        parse_str($request['query'] ?? "", $query);
+
+        // provide POST data
+        if ($method != 'GET')
+            $query = array_merge($query, $_REQUEST);
+
+
+        // check, if route has two levels
+        if (strpos($ctrlName, '/', 1) > 0) {
+            $path = explode('/', $request['path']); // Werbeseite/Speise/1/mobile?pretty=true&user=marcel
+            array_shift($path);                             // skip once
+            $ctrlName = array_shift($path);         // Werbeseite
+            $actionName = array_shift($path);       // Speise
+            $args = $path; // remainder of path-parts     // [1][mobile]
+            if ($verbosity > 1) {
+                echo "<pre>Request\n", print_r($request), "</pre>";
+                echo "<pre>Path\n", print_r($path), "</pre>";
+                echo "<pre>Query\n", print_r($query), "</pre>";
+            }
+        }
+
+        // fix: trim slashes
+        $ctrlName = trim($ctrlName, '/');
+        $actionName = trim($actionName, '/');
+
+        // $config based renaming of Controller/Action, precedes filebased convention
+        // $config values must use syntax <ClassController>@<actionname>
+        if (array_key_exists('/' . $ctrlName . '/' . $actionName, $config)) {
+            $routingConfig = explode('@', $config['/' . $ctrlName . '/' . $actionName]);
+            if ($verbosity > 0) {
+                echo "<p>Routing Config matched request for <code>/" . $ctrlName . "/" . $actionName . "</code>:</p><p>routing config is</p><pre>" . print_r($routingConfig, 1) . '</pre>';
+            }
+            // important: overwriting controller and action name
+            $ctrlClass = $routingConfig[0];
+            $actionName = $routingConfig[1];
+        } elseif (array_key_exists($request['path'], $config)) {
+            // exact match on full path, this also means "/"
+            $routingConfig = explode('@', $config[$request['path']]);
+            if ($verbosity > 0) {
+                echo "<p>Routing Config matched for full path <code>" . $request['path'] . "</code>:</p><p>routing config is</p><pre>" . print_r($routingConfig, 1) . '</pre>';
+            }
+            // important: overwriting controller and action name
+            $ctrlClass = $routingConfig[0];
+            $actionName = $routingConfig[1];
+        } else {
+            if ($verbosity > 0) {
+                echo "Request $ctrlName/$actionName was not in \$config.";
+            }
+
+            // fall back to filebased convention: match controller classes in directory
+            $ctrlClass = ucfirst($ctrlName . 'Controller');
+        }
+
+        $ctrlFile = ($ctrlClass . '.php');
+        $validControllers = FrontController::getValidControllers($controllerDirectory);
+        if (!in_array($controllerDirectory . $ctrlFile, $validControllers)) {
+            if ($verbosity > 0) {
+                echo "<div><p>Controller: $ctrlFile not found in</p><pre>" . print_r($validControllers, 1) . "</pre><p>Config Array:</p><pre>" . print_r($config, 1) . "</pre></div>";
+            }
+            // #ERROR
+            FrontController::showErrorMessage("<h1>Web Software Error</h1><img alt='shrug' src='https://c.tenor.com/9TEDud6eP2UAAAAC/woody-woodpecker-shrug-shoulders.gif'>" .
+                "<p>Keine entspreche Zuordnung der Route für {$ctrlName}::{$actionName} gefunden. Tippfehler in der Route?" .
+                "<p>Es konnte keine Klasse <abbr title='Gesucht im Verzeichnis {$controllerDirectory}'>" . $ctrlFile . "</abbr> gefunden werden! Request fehlgeschlagen.</p>" .
+                "<p> Prüfen Sie die Einträge in der Datei <code>config/web.php</code> und gleichen Sie den getätigten Aufruf damit ab.</p>");
+        }
+
+        // a file matching has been found, now try to load the class
+        try {
+            require_once $controllerDirectory . $ctrlFile;
+            // instantiate the controller
+
+            $controller = new $ctrlClass();
+            $rd = new RequestData($method, $args, $query);
+
+            if ($verbosity > 0) {
+                var_dump($controller, $rd);
+            }
+            // the controller will load model and view and return some html
+            print call_user_func_array(array($controller, $actionName), array($rd));
+        } catch (Exception $ex) {
+            // #ERROR
+            FrontController::showErrorMessage(
+                "<h2>Fehler in Controller " . get_class($controller) . "!</h2><p>Stellen Sie sicher, dass die Action/der Controller existiert.</p>
+                    <p>Das Routing Config-Array hat " . count($config) . " Einträge.</p>
+                    <p><strong>Exception text</strong><br>" . $ex->getMessage() . "</p>");
+        }
+    }
+
+    public static function showErrorMessage($text, $severity = 3, $die = true)
+    {
+        $styles = array(0 => "background-color: #F08170; border: 2px solid lightgray; padding: 2em; margin: 5em; width: 50%; box-shadow: 0em 0em 1em #F08170;",
+            1 => "background-color: #F08170; border: 2px solid lightgray; padding: 2em; margin: 5em; width: 50%; box-shadow: 0em 0em 1em #F08170;",
+            2 => "background-color: #F08170; border: 2px solid lightgray; padding: 2em; margin: 5em; width: 50%; box-shadow: 0em 0em 1em #F08170;",
+            3 => "background-color: #F08170; border: 2px solid lightgray; padding: 2em; margin: 5em; width: 50%; box-shadow: 0em 0em 1em #F08170;");
+        print("<div style=\"{$styles[$severity]}\">{$text}</div>");
+        if ($die) exit($severity);
+    }
+
+    public static function getConfig($configPath)
+    {
+        try {
+            // load the $config Array from a file given in $configPath
+            $path_to_config = realpath($_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . $configPath);
+            // print("Path to config " . $path_to_config);
+            $config = include $path_to_config;
+        } catch (Exception $e) {
+            print_r($e);
+            $config = array('/' => 'HomeController@index');
+        } finally {
+            return $config;
+        }
+    }
+
+    public static function getValidControllers($path = '')
+    {
+        if ($path == '') {
+            $path = getcwd() . DIRECTORY_SEPARATOR . 'controllers' . DIRECTORY_SEPARATOR;
+        }
+        return glob($path . '*Controller.php');
+    }
+}
+
+function connectdb()
+{
+    $path_to_config_db = $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . CONFIG_DB;
+    $config = include $path_to_config_db;
+    $link = mysqli_connect(     // Daten aus config/db.php
+        $config['host'],
+        $config['user'],
+        $config['password'],
+        $config['database'],    // Auswahl der Datenbank
+        $config['port'] ?? 3306);
+    if (!$link) {
+        FrontController::showErrorMessage("<h1>Verbindung mit der Datenbank nicht möglich</h1>
+            <p style='margin-bottom: 2em;'>Verbindung fehlgeschlagen: <code>" . mysqli_connect_error() . "</code>.</p>
+            <h2>Prüfen Sie</h2><ol><li>die Angaben in der Datei <code>config/db.php</code>:
+            ( ist Benutzer <code>{$config['user']}</code> an Datenbank <code>{$config['database']}</code> auf Server <code>{$config['host']}</code> korrekt?)<br>
+            </li><li>ob Ihre Datenbank unter der oben gezeigten Adresse läuft </li></ol>");
+        exit(1);
+    }
+    if (mysqli_connect_errno()) {
+        FrontController::showErrorMessage("<h1>Verbindung mit der Datenbank nicht möglich</h1>
+            <code>Fehlermeldung</code><pre>" . mysqli_connect_error() . "</pre>", 2, true);
+        exit(1);
+    }
+
+    return $link;
+}
+
+function view($viewname, $viewargs = array())
+{
+    $views = dirname(__DIR__) . '/views';
+    $cache = dirname(__DIR__) . '/storage/cache';
+    $blade = new BladeOne($views, $cache, BladeOne::MODE_DEBUG);
+
+    return $blade->run($viewname, $viewargs);
+}
+
+/**
+ * let the script die if the php minimum version is not met.
+ * @param $minversion
+ * @return void
+ */
+function assert_php_version($minversion = '8.0.0')
+{
+    $version_too_low = 0;
+    $minver = explode('.', $minversion);
+    $version = explode('.', phpversion());
+
+    if (intval($minver[0]) > intval($version[0])) {
+        $version_too_low = 1;
+    } elseif (intval($minver[1]) > intval($version[1])) {
+        $version_too_low = 1;
+    } elseif (intval($minver[2]) > intval($version[2])) {
+        $version_too_low = 1;
+    }
+
+    if ($version_too_low) {
+        FrontController::showErrorMessage("Diese PHP-Version wird nicht unterstützt: <strong>Minimum PHP Version " . $minversion . "</strong><br>Sie betreiben gerade PHP Version " . phpversion());
+        exit(1);
+    }
+    // version is okay, go on.
+}
+
+/**
+ * let the script die if the path contains problematic characters.
+ * @return void
+ */
+function assert_path(): void
+{
+    static $chars = array("[", "]", "{", "}");
+    $charsfound = 0;
+    str_ireplace($chars, '', $_SERVER['DOCUMENT_ROOT'], $charsfound);
+    if ($charsfound > 0) {
+        FrontController::showErrorMessage("<h1>Bitte verwenden Sie einen anderen Ordner für das Projekt!</h1>
+        <p>Der Pfad <strong>" . $_SERVER['DOCUMENT_ROOT'] . "</strong> enthält <code>" . $charsfound . "</code> problematische Zeichen, die die korrekte Ausführung verhindern.</p>>
+        <p>Bekannte problematische Zeichen sind</p>
+        <pre> " . implode(" ", $chars) . " </pre>");
+        exit(1);
+    }
+
+}
+
+function assert_blade(): void
+{
+    if (!class_exists('eftec\bladeone\BladeOne')) {
+        // #ERROR
+        FrontController::showErrorMessage("
+                <h1>Fehler: Blade wurde nicht gefunden</h1>
+                <p>Tipps für die Lösung:</p>
+                <ul>
+                <li><p>führen Sie im Terminal folgende Zeilen aus.</p>
+                <ol>
+                    <li><code>php bin/composer.phar update</code> oder <code>php bin/composer.phar reinstall eftec/bladeone</code></li>
+                    <li><code>php bin/composer.phar dump-autoload</code></li>
+                </ol>
+                <li><p>Prüfen Sie im Anschluss: befindet sich in dem Ordner <code>vendor/eftec/bladeone/lib/</code> die Datei <code>BladeOne.php</code> ?</p></li>
+                <li><p>Starten Sie dann den Webserver neu.</p></li>
+                <li><p>Befragen Sie gerne auch das Forum in Ilias.</p></li>
+                </ul>
+                
+                </div>");
+        exit(1);
+    }
+}
--- a/M4/emensa/public/js/highlight.min.js
+++ b/M4/emensa/public/js/highlight.min.js
--- a/M4/emensa/routes/web.php
+++ b/M4/emensa/routes/web.php
@@ -0,0 +1,24 @@
+<?php
+/**
+ * Mapping of paths to controllers.
+ * Note, that the path only supports one level of directory depth:
+ *     /demo is ok,
+ *     /demo/subpage will not work as expected
+ */
+
+return array(
+    '/'             => "MainController@index",
+    "/demo"         => "DemoController@demo",
+    '/dbconnect'    => 'DemoController@dbconnect',
+    '/debug'        => 'HomeController@debug',
+    '/error'        => 'DemoController@error',
+    '/requestdata'   => 'DemoController@requestdata',
+
+    // Erstes Beispiel:
+    '/m4_6a_queryparameter' => 'ExampleController@m4_6a_queryparameter',
+    '/m4' => 'ExampleController@m4_6a_queryparameter',
+    '/m4_7b_kategorie' => 'ExampleController@m4_7b_kategorie',
+    '/m4_7c_gerichte' => 'ExampleController@m4_7c_gerichte',
+    '/m4_7d' => 'ExampleController@m4_7d'
+
+);
--- a/M4/emensa/storage/cache/.layouts.layout_7b6f1811f474eb66a51163e3ee689e7d001c551d.bladec
+++ b/M4/emensa/storage/cache/.layouts.layout_7b6f1811f474eb66a51163e3ee689e7d001c551d.bladec
@@ -0,0 +1,23 @@
+<!doctype html>
+<html class="no-js" lang="DE">
+<head>
+ <meta charset="utf-8">
+ <title>E-Mensa Routing Script</title>
+ <meta name="description" content="unused">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+ <link rel="stylesheet" href="css/default.min.css">
+ <?php echo $this->yieldContent("cssextra"); ?>
+ <meta name="theme-color" content="#dadada">
+ <!-- good developers check the markup ;) -->
+</head>
+<body>
+<div class="container">
+ <div class="row">
+ <?php echo $this->yieldContent("content"); ?>
+ </div>
+</div>
+
+<?php echo $this->yieldContent("jsextra"); ?>
+</body>
+
+</html>
--- a/M4/emensa/storage/cache/.layouts.m4_7d_layout_ecc36cbad49aa38782cc08cc5e9ca6c7ae3590d0.bladec
+++ b/M4/emensa/storage/cache/.layouts.m4_7d_layout_ecc36cbad49aa38782cc08cc5e9ca6c7ae3590d0.bladec
@@ -0,0 +1,21 @@
+<!doctype html>
+<html class="no-js" lang="DE">
+<head>
+ <meta charset="utf-8">
+
+ <title><?php echo \htmlentities($title??'', ENT_QUOTES, 'UTF-8', false); ?></title>
+
+ <?php echo $this->yieldContent("header"); ?>
+
+ <!-- good developers check the markup ;) -->
+</head>
+<body>
+ <?php echo $this->yieldContent("body"); ?>
+
+ <footer>
+ <table class="fusszeile">
+ <?php echo $this->yieldContent("footer"); ?>
+ </table>
+ </footer>
+</body>
+</html>
--- a/M4/emensa/storage/cache/debug_1cfaf3bc805922afe3272185b5787ee3e27fa4ad.bladec
+++ b/M4/emensa/storage/cache/debug_1cfaf3bc805922afe3272185b5787ee3e27fa4ad.bladec
@@ -0,0 +1,6 @@
+<h1>This is a blade view showing phpinfo();</h1>
+<p><a href="/">go back</a>.</p>
+
+<?php 
+phpinfo();
+ ?>
--- a/M4/emensa/storage/cache/demo.dbdata_371b3aba36aa73bbc6704e7ce839ac185b43f3a9.bladec
+++ b/M4/emensa/storage/cache/demo.dbdata_371b3aba36aa73bbc6704e7ce839ac185b43f3a9.bladec
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+ <meta charset="UTF-8">
+ <title>Beispiel: Daten aus der Datenbank</title>
+</head>
+<body>
+
+
+<?php if(isset($data['error'])): ?>
+ <h1>Es gab ein Problem mit der Datenbankverbindung</h1>
+ <p>Fehlermeldung</p>
+ <pre> <?php echo \htmlentities($data['beschreibung']??'', ENT_QUOTES, 'UTF-8', false); ?></pre>
+
+<?php else: ?>
+
+
+ <article>
+ <h1>Daten aus der Datenbank der Tabelle: Gerichte</h1>
+ <p>Der Controller inkludiert das benötigte Model (gerichte.php in diesem Fall)
+ und ruft die benötigte Funktion <code>db_gerichte_select_all()</code> zum Laden der Daten auf</p>
+ <ul>
+ <?php $__empty_1 = true; foreach($data as $a): $__empty_1 = false; ?>
+ <li><?php echo \htmlentities($a['name']??'', ENT_QUOTES, 'UTF-8', false); ?></li>
+ <?php endforeach; if ($__empty_1): ?>
+ <li>Keine Daten vorhanden.</li>
+ <?php endif; ?>
+ </ul>
+ </article>
+<?php endif; ?>
+</body>
+</html>
--- a/M4/emensa/storage/cache/demo.demo_ce8d2fe4373603a01d84973e3d70c715b31a9f25.bladec
+++ b/M4/emensa/storage/cache/demo.demo_ce8d2fe4373603a01d84973e3d70c715b31a9f25.bladec
@@ -0,0 +1,94 @@
+<?php $_shouldextend[1]=1; ?>
+
+<?php $this->startSection("content"); ?>
+ <div>
+ <h1>Demo für <?php echo \htmlentities($name??'', ENT_QUOTES, 'UTF-8', false); ?></h1>
+ <p>Kurze Übersicht, wie die Arbeit mit dem Router und der Blade View-Engine funktioniert.</p>
+
+ <h2>Router</h2>
+ <p>Der Router nimmt den Request entgegen und zerlegt ihn in die einzelnen Teile der URI. Wichtig ist hier vor
+ allem der Pfad und der Querystring.</p>
+ <p>Wenn der Pfad in der Routenkonfiguration (<code>\$config</code> Array aus der Datei
+ <code>routes/web.php</code>) gefunden wird, lädt der Router die angegebene Klasse.</p>
+
+ <h3>Funktionsweise</h3>
+ <p>Im vorliegenden Beispiel sehen Sie diese Seite ... </p>
+ <ol>
+ <li>weil der Pfad in der Routenkonfiguration gefunden wurde</li>
+ <li>und dort <span class="code">'DemoController@howto'</span> hinterlegt ist</li>
+ <li>und im Ordner <span class="code">controllers/</span> die Datei <code class="language-php">DemoController.php</code> gefunden werden konnte
+ </li>
+ <li>und mit ihr ein Objekt des Typs <span class="code">DemoController</span> instanziiert werden konnte</li>
+ <li>und dieses Objekt die Funktion (Action) <span class="code">howto()</span> ausgeführt hat</li>
+ </ol>
+ <p>Sie sehen: da muss einiges stimmen und vieles davon ist Konvention.</p>
+ <h3>Querystrings und Pfadsegmente</h3>
+ <p>Die Actions in den Controller-Klassen sollen per Konvention immer ein <span class="code">RequestData</span> Objekt
+ entgegennehmen. Beispiel: <code class="language-php">howto(RequestData \$rd)</code></p>
+ <p>Dieses RequestData Objekt wird durch den Router befüllt, wenn Daten in der URL extrahiert werden konnten.</p>
+ <p>Daten finden sich URLs...</p>
+
+ <ul>
+ <li>
+ <p>
+ <strong>im Querystring</strong><br>Beispiel: rufen Sie diese mit
+ <code class="language-http"><?php echo \htmlentities(strtolower(explode('/',$_SERVER["SERVER_PROTOCOL"])[0])??'', ENT_QUOTES, 'UTF-8', false); ?>://<?php echo \htmlentities($_SERVER["HTTP_HOST"]??'', ENT_QUOTES, 'UTF-8', false); ?>/demo?<strong>bgcolor=fefbd8&name=Remmy</strong></code>
+ auf, werden <span class="language-php">bgcolor</span> und <code class="language-php">name</code> mitsamt Werten als Query Array
+ <code class="language-php">$rd->query</code>) übergeben
+ </p>
+ </li>
+ </ul>
+
+ <p>Probieren Sie es aus ;)</p>
+ <?php if(count($rd->args)): ?>
+ <p><strong>Argumente dieses Aufrufs:</strong></p>
+
+ <?php $__empty_1 = true; foreach($rd->args as $a): $__empty_1 = false; ?>
+ <div><span class="code"><?php echo \htmlentities($a??'', ENT_QUOTES, 'UTF-8', false); ?></span></div>
+ <?php endforeach; if ($__empty_1): ?>
+ <p>Keine weiteren Argumente im Request</p>
+ <?php endif; ?>
+ <?php endif; ?>
+ <?php if(count($rd->query)): ?>
+ <p><strong>Daten aus der Query dieses Aufrufs:</strong></p>
+ <pre><code class="language-php">
+ <?php $__empty_1 = true; foreach($rd->query as $k => $v): $__empty_1 = false; ?>
+ $rd->query['<?php echo \htmlentities($k??'', ENT_QUOTES, 'UTF-8', false); ?>']=<?php echo \htmlentities($v??'', ENT_QUOTES, 'UTF-8', false); ?>
+
+ <?php endforeach; if ($__empty_1): ?>
+ <p>Keine Querydaten</p>
+ <?php endif; ?>
+ </code></pre>
+ <?php endif; ?>
+ <h2>Blade</h2>
+ <p>Blade <a href="https://github.com/EFTEC/BladeOne#install-pick-one-of-the-next-one">muss installiert</a> sein.
+ Die Installation ist bereits geschehen und die Bibliothek liegt unter /vendor.
+ </p>
+ <h3>Daten übergeben und View rendern</h3>
+ <p>Bei der Verwendung der View-Engine gelten einige Konventionen:
+ Die Dateien müssen <code class="language-php">&lt;viewname&gt;.blade.php</code> heißen und im Ordner <code class="language-php">views</code> liegen.
+ </p>
+ <p>Sie können der View dann Daten mitgeben, indem Sie alle Daten in ein Array schreiben und dieses dann
+ übergeben.</p>
+ <p>Beispiel:</p>
+ <pre><code class="language-php">
+ view("viewtest",
+ array(
+ "texts"=>$textArray,
+ "persona"=>$persona,
+ "rd"=>$rd
+ )); // öffnet ../views/viewtest.blade.php
+ </code></pre>
+ </div>
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("cssextra"); ?>
+ <style>
+ body > div {background-color: <?php echo \htmlentities('#' . $bgcolor??'', ENT_QUOTES, 'UTF-8', false); ?>; }
+ </style>
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("jsextra"); ?>
+ <script src="/js/highlight.min.js"></script><script>hljs.highlightAll();</script>
+<?php $this->stopSection(); ?>
+<?php if (isset($_shouldextend[1])) { echo $this->runChild(".layouts.layout"); } ?>
--- a/M4/emensa/storage/cache/examples.m4_7a_queryparameter_964ef996681a5d33ee4d5aaa7f2b050eecc4776f.bladec
+++ b/M4/emensa/storage/cache/examples.m4_7a_queryparameter_964ef996681a5d33ee4d5aaa7f2b050eecc4776f.bladec
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+ <meta charset="UTF-8">
+ <title>7a</title>
+</head>
+<body>
+
+Der Wert von name lautet: <?php echo \htmlentities($request??'', ENT_QUOTES, 'UTF-8', false); ?>
+
+
+
+</body>
+</html>
--- a/M4/emensa/storage/cache/examples.m4_7b_kategorie_c59dd864b2a765e6d956c6e0068f677059df2848.bladec
+++ b/M4/emensa/storage/cache/examples.m4_7b_kategorie_c59dd864b2a765e6d956c6e0068f677059df2848.bladec
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+ <meta charset="UTF-8">
+ <title>Beispiel: Daten aus der Datenbank</title>
+
+ <style>
+ h1 {
+ font-weight: 300;
+ }
+ </style>
+</head>
+<body>
+
+<?php if(isset($data['error'])): ?>
+ <h1>Es gab ein Problem mit der Datenbankverbindung</h1>
+ <p>Fehlermeldung</p>
+ <pre> <?php echo \htmlentities($data['beschreibung']??'', ENT_QUOTES, 'UTF-8', false); ?></pre>
+
+<?php else: ?>
+ <?php
+$zweites = false; ?>
+
+ <article>
+ <h1>Daten aus der Datenbank der Tabelle: Kategorien</h1>
+
+ <ul>
+ <?php $__empty_1 = true; foreach($data as $a): $__empty_1 = false; ?>
+ <?php if($zweites): ?> <h1><li><?php echo \htmlentities($a['name']??'', ENT_QUOTES, 'UTF-8', false); ?></li></h1> <?php $zweites = false; ?>
+ <?php else: ?>
+ <li><?php echo \htmlentities($a['name']??'', ENT_QUOTES, 'UTF-8', false); ?></li> <?php $zweites = true; ?>
+ <?php endif; ?>
+ <?php endforeach; if ($__empty_1): ?>
+ <li>Keine Daten vorhanden.</li>
+ <?php endif; ?>
+ </ul>
+ </article>
+<?php endif; ?>
+
+</body>
+</html>
--- a/M4/emensa/storage/cache/examples.m4_7c_gerichte_f6e172e91bf4a8eefe847109a3dadc12c05eac5d.bladec
+++ b/M4/emensa/storage/cache/examples.m4_7c_gerichte_f6e172e91bf4a8eefe847109a3dadc12c05eac5d.bladec
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+ <meta charset="UTF-8">
+ <title>Beispiel: Daten aus der Datenbank</title>
+
+</head>
+<body>
+
+<?php if(isset($data['error'])): ?>
+ <h1>Es gab ein Problem mit der Datenbankverbindung</h1>
+ <p>Fehlermeldung</p>
+ <pre> <?php echo \htmlentities($data['beschreibung']??'', ENT_QUOTES, 'UTF-8', false); ?></pre>
+
+<?php else: ?>
+
+ <article>
+ <h1>Daten aus der Datenbank der Tabelle: Kategorien</h1>
+
+ <ul>
+ <?php $__empty_1 = true; foreach($data as $a): $__empty_1 = false; ?>
+ <?php if(!empty($a['name'])): ?>
+ <li><?php echo \htmlentities($a['name']??'', ENT_QUOTES, 'UTF-8', false); ?></li>
+ <?php endif; ?>
+
+ <?php endforeach; if ($__empty_1): ?>
+ <li>Es sind keine Gerichte vorhanden</li>
+ <?php endif; ?>
+ </ul>
+ </article>
+<?php endif; ?>
+
+</body>
+</html>
--- a/M4/emensa/storage/cache/examples.pages.m4_7d_page_1_9bd1621c44e988fb7b6f833fbcefbbdad2f15bc6.bladec
+++ b/M4/emensa/storage/cache/examples.pages.m4_7d_page_1_9bd1621c44e988fb7b6f833fbcefbbdad2f15bc6.bladec
@@ -0,0 +1,14 @@
+<?php $_shouldextend[1]=1; ?>
+
+<?php $this->startSection("header"); ?>
+
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("body"); ?>
+<p>Page 1</p>
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("footer"); ?>
+<p>Footer of Page 1</p>
+<?php $this->stopSection(); ?>
+<?php if (isset($_shouldextend[1])) { echo $this->runChild(".layouts.m4_7d_layout",['title' => "Page 1"]); } ?>
--- a/M4/emensa/storage/cache/examples.pages.m4_7d_page_2_ed122779e3e904882984750d979c216b1e98ea8d.bladec
+++ b/M4/emensa/storage/cache/examples.pages.m4_7d_page_2_ed122779e3e904882984750d979c216b1e98ea8d.bladec
@@ -0,0 +1,14 @@
+<?php $_shouldextend[1]=1; ?>
+
+<?php $this->startSection("header"); ?>
+
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("body"); ?>
+ <p>Page 2</p>
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("footer"); ?>
+ <p>Footer of Page 2</p>
+<?php $this->stopSection(); ?>
+<?php if (isset($_shouldextend[1])) { echo $this->runChild(".layouts.m4_7d_layout",['title' => "Page 2"]); } ?>
--- a/M4/emensa/storage/cache/home_be3f101c28919ade210629435b0b22d1f6f23f27.bladec
+++ b/M4/emensa/storage/cache/home_be3f101c28919ade210629435b0b22d1f6f23f27.bladec
@@ -0,0 +1,36 @@
+<?php $_shouldextend[1]=1; ?>
+
+<?php $this->startSection("content"); ?>
+ <header class="mt-5">
+ <h1>Hauptseite E-Mensa</h1>
+ <img src="/img/test.jpg"
+ alt="Testbild von https://cdn.pixabay.com/photo/2014/06/03/19/38/road-sign-361513_960_720.jpg">
+ </header>
+ <nav class="mt-5">
+ <strong>Navigation</strong>
+ <ul>
+ <li><a href="/demo">Demo</a></li>
+ <li><a href="/dbconnect">Datenbank: Gerichte</a></li>
+ </ul>
+ <ul>
+ <li><a href="/debug"><code class="language-php">phpinfo();</code></a></li>
+ </ul>
+ </nav>
+ <footer>
+ &copy; Team-Name DBWT
+ </footer>
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("cssextra"); ?>
+ <style>
+ body > div {
+ background-color: <?php echo \htmlentities($rd->query['bgcolor'] ?? 'ffffff'??'', ENT_QUOTES, 'UTF-8', false); ?>
+
+ }
+ </style>
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("jsextra"); ?>
+ <script src="/js/highlight.min.js"></script><script>hljs.highlightAll();</script>
+<?php $this->stopSection(); ?>
+<?php if (isset($_shouldextend[1])) { echo $this->runChild("layouts.layout"); } ?>
--- a/M4/emensa/storage/cache/layouts.layout_2f0f79205058eeea097745ed1e89073738d8b7f7.bladec
+++ b/M4/emensa/storage/cache/layouts.layout_2f0f79205058eeea097745ed1e89073738d8b7f7.bladec
@@ -0,0 +1,23 @@
+<!doctype html>
+<html class="no-js" lang="DE">
+<head>
+ <meta charset="utf-8">
+ <title>E-Mensa Routing Script</title>
+ <meta name="description" content="unused">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+ <link rel="stylesheet" href="css/default.min.css">
+ <?php echo $this->yieldContent("cssextra"); ?>
+ <meta name="theme-color" content="#dadada">
+ <!-- good developers check the markup ;) -->
+</head>
+<body>
+<div class="container">
+ <div class="row">
+ <?php echo $this->yieldContent("content"); ?>
+ </div>
+</div>
+
+<?php echo $this->yieldContent("jsextra"); ?>
+</body>
+
+</html>
--- a/M4/emensa/storage/cache/layouts.main_layout_ff0dbbbcc8c331f06acac2bd395c317de615c9d1.bladec
+++ b/M4/emensa/storage/cache/layouts.main_layout_ff0dbbbcc8c331f06acac2bd395c317de615c9d1.bladec
@@ -0,0 +1,30 @@
+<!doctype html>
+<html class="no-js" lang="DE">
+<head>
+ <meta charset="utf-8">
+
+ <title><?php echo \htmlentities($title??'', ENT_QUOTES, 'UTF-8', false); ?></title>
+
+ <?php echo $this->yieldContent("header"); ?>
+
+ <!-- good developers check the markup ;) -->
+</head>
+<body>
+<?php echo $this->yieldContent("nav"); ?>
+<hr>
+<div class="grid">
+ <div></div>
+ <div>
+<?php echo $this->yieldContent("text"); ?>
+
+<?php echo $this->yieldContent("gerichte"); ?>
+ </div>
+ <div></div>
+</div>
+<footer>
+ <table class="fusszeile">
+ <?php echo $this->yieldContent("footer"); ?>
+ </table>
+</footer>
+</body>
+</html>
--- a/M4/emensa/storage/cache/main.index_f9ba54cc63d68ab97f296301b5ce3ed3926b073a.bladec
+++ b/M4/emensa/storage/cache/main.index_f9ba54cc63d68ab97f296301b5ce3ed3926b073a.bladec
@@ -0,0 +1,62 @@
+<?php $_shouldextend[1]=1; ?>
+
+<?php $this->startSection("header"); ?>
+ <link rel="stylesheet" href="/css/style.css">
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("nav"); ?>
+ <div class="grid">
+ <div>
+ <img src="/img/fh-logo.jpg" alt="FH-Logo">
+ </div>
+ <div>
+ <a href="#ankündigung">Ankündigung</a>
+ <a href="#speisen">Speisen</a>
+ <a href="#zahlen">Zahlen</a>
+ <a href="#kontakt">Kontakt</a>
+ <a href="#wichtig">Wichtig für uns</a>
+
+ </div>
+ </div>
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("text"); ?>
+
+ <img src="/img/mensa21.jpg" alt="Essen">
+ <h1 id="ankündigung">Bald gibt es auch Essen online ;)</h1>
+ <p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et
+ dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet
+ clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet,
+ consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat,
+ sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no
+ sea takimata sanctus est Lorem ipsum dolor sit amet.</p>
+ <h1 id="speisen">Köstlichkeiten die Sie erwarten</h1>
+
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("gerichte"); ?>
+
+ <?php if(isset($data['error'])): ?>
+ <h1>Es gab ein Problem mit der Datenbankverbindung</h1>
+ <p>Fehlermeldung</p>
+ <pre> <?php echo \htmlentities($data['beschreibung']??'', ENT_QUOTES, 'UTF-8', false); ?></pre>
+
+ <?php else: ?>
+ <?php
+ echo $data["gericht"];
+ echo $data["allergene"];
+?>
+ <?php endif; ?>
+
+<?php $this->stopSection(); ?>
+
+<?php $this->startSection("footer"); ?>
+
+ <tr>
+ <td>(c) E-Mensa GmbH</td>
+ <td>Şafak Hazinedar & Robert Joel</td>
+ <td><a href="">Impressum</a></td>
+ </tr>
+
+<?php $this->stopSection(); ?>
+<?php if (isset($_shouldextend[1])) { echo $this->runChild("layouts.main_layout", ['title' => "E-Mensa"]); } ?>
--- a/M4/emensa/vendor/autoload.php
+++ b/M4/emensa/vendor/autoload.php
@@ -0,0 +1,25 @@
+<?php
+
+// autoload.php @generated by Composer
+
+if (PHP_VERSION_ID < 50600) {
+    if (!headers_sent()) {
+        header('HTTP/1.1 500 Internal Server Error');
+    }
+    $err = 'Composer 2.3.0 dropped support for autoloading on PHP <5.6 and you are running '.PHP_VERSION.', please upgrade PHP or use Composer 2.2 LTS via "composer self-update --2.2". Aborting.'.PHP_EOL;
+    if (!ini_get('display_errors')) {
+        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {
+            fwrite(STDERR, $err);
+        } elseif (!headers_sent()) {
+            echo $err;
+        }
+    }
+    trigger_error(
+        $err,
+        E_USER_ERROR
+    );
+}
+
+require_once __DIR__ . '/composer/autoload_real.php';
+
+return ComposerAutoloaderInit0a19be8f09bdc5d4e2b07ba9e95a5801::getLoader();
--- a/M4/emensa/vendor/bin/bladeonecli
+++ b/M4/emensa/vendor/bin/bladeonecli
@@ -0,0 +1,18 @@
+#!/usr/bin/env php
+<?php
+
+/**
+ * Proxy PHP file generated by Composer
+ *
+ * This file includes the referenced bin path (../eftec/bladeone/lib/bladeonecli)
+ *
+ * @generated
+ */
+
+namespace Composer;
+
+$GLOBALS['_composer_bin_dir'] = __DIR__;
+$GLOBALS['_composer_autoload_path'] = __DIR__ . '/..'.'/autoload.php';
+
+
+return include __DIR__ . '/..'.'/eftec/bladeone/lib/bladeonecli';
--- a/M4/emensa/vendor/composer/ClassLoader.php
+++ b/M4/emensa/vendor/composer/ClassLoader.php
@@ -0,0 +1,579 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\Autoload;
+
+/**
+ * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
+ *
+ *     $loader = new \Composer\Autoload\ClassLoader();
+ *
+ *     // register classes with namespaces
+ *     $loader->add('Symfony\Component', __DIR__.'/component');
+ *     $loader->add('Symfony',           __DIR__.'/framework');
+ *
+ *     // activate the autoloader
+ *     $loader->register();
+ *
+ *     // to enable searching the include path (eg. for PEAR packages)
+ *     $loader->setUseIncludePath(true);
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * This class is loosely based on the Symfony UniversalClassLoader.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @see    https://www.php-fig.org/psr/psr-0/
+ * @see    https://www.php-fig.org/psr/psr-4/
+ */
+class ClassLoader
+{
+    /** @var \Closure(string):void */
+    private static $includeFile;
+
+    /** @var string|null */
+    private $vendorDir;
+
+    // PSR-4
+    /**
+     * @var array<string, array<string, int>>
+     */
+    private $prefixLengthsPsr4 = array();
+    /**
+     * @var array<string, list<string>>
+     */
+    private $prefixDirsPsr4 = array();
+    /**
+     * @var list<string>
+     */
+    private $fallbackDirsPsr4 = array();
+
+    // PSR-0
+    /**
+     * List of PSR-0 prefixes
+     *
+     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
+     *
+     * @var array<string, array<string, list<string>>>
+     */
+    private $prefixesPsr0 = array();
+    /**
+     * @var list<string>
+     */
+    private $fallbackDirsPsr0 = array();
+
+    /** @var bool */
+    private $useIncludePath = false;
+
+    /**
+     * @var array<string, string>
+     */
+    private $classMap = array();
+
+    /** @var bool */
+    private $classMapAuthoritative = false;
+
+    /**
+     * @var array<string, bool>
+     */
+    private $missingClasses = array();
+
+    /** @var string|null */
+    private $apcuPrefix;
+
+    /**
+     * @var array<string, self>
+     */
+    private static $registeredLoaders = array();
+
+    /**
+     * @param string|null $vendorDir
+     */
+    public function __construct($vendorDir = null)
+    {
+        $this->vendorDir = $vendorDir;
+        self::initializeIncludeClosure();
+    }
+
+    /**
+     * @return array<string, list<string>>
+     */
+    public function getPrefixes()
+    {
+        if (!empty($this->prefixesPsr0)) {
+            return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
+        }
+
+        return array();
+    }
+
+    /**
+     * @return array<string, list<string>>
+     */
+    public function getPrefixesPsr4()
+    {
+        return $this->prefixDirsPsr4;
+    }
+
+    /**
+     * @return list<string>
+     */
+    public function getFallbackDirs()
+    {
+        return $this->fallbackDirsPsr0;
+    }
+
+    /**
+     * @return list<string>
+     */
+    public function getFallbackDirsPsr4()
+    {
+        return $this->fallbackDirsPsr4;
+    }
+
+    /**
+     * @return array<string, string> Array of classname => path
+     */
+    public function getClassMap()
+    {
+        return $this->classMap;
+    }
+
+    /**
+     * @param array<string, string> $classMap Class to filename map
+     *
+     * @return void
+     */
+    public function addClassMap(array $classMap)
+    {
+        if ($this->classMap) {
+            $this->classMap = array_merge($this->classMap, $classMap);
+        } else {
+            $this->classMap = $classMap;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix, either
+     * appending or prepending to the ones previously set for this prefix.
+     *
+     * @param string              $prefix  The prefix
+     * @param list<string>|string $paths   The PSR-0 root directories
+     * @param bool                $prepend Whether to prepend the directories
+     *
+     * @return void
+     */
+    public function add($prefix, $paths, $prepend = false)
+    {
+        $paths = (array) $paths;
+        if (!$prefix) {
+            if ($prepend) {
+                $this->fallbackDirsPsr0 = array_merge(
+                    $paths,
+                    $this->fallbackDirsPsr0
+                );
+            } else {
+                $this->fallbackDirsPsr0 = array_merge(
+                    $this->fallbackDirsPsr0,
+                    $paths
+                );
+            }
+
+            return;
+        }
+
+        $first = $prefix[0];
+        if (!isset($this->prefixesPsr0[$first][$prefix])) {
+            $this->prefixesPsr0[$first][$prefix] = $paths;
+
+            return;
+        }
+        if ($prepend) {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                $paths,
+                $this->prefixesPsr0[$first][$prefix]
+            );
+        } else {
+            $this->prefixesPsr0[$first][$prefix] = array_merge(
+                $this->prefixesPsr0[$first][$prefix],
+                $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace, either
+     * appending or prepending to the ones previously set for this namespace.
+     *
+     * @param string              $prefix  The prefix/namespace, with trailing '\\'
+     * @param list<string>|string $paths   The PSR-4 base directories
+     * @param bool                $prepend Whether to prepend the directories
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return void
+     */
+    public function addPsr4($prefix, $paths, $prepend = false)
+    {
+        $paths = (array) $paths;
+        if (!$prefix) {
+            // Register directories for the root namespace.
+            if ($prepend) {
+                $this->fallbackDirsPsr4 = array_merge(
+                    $paths,
+                    $this->fallbackDirsPsr4
+                );
+            } else {
+                $this->fallbackDirsPsr4 = array_merge(
+                    $this->fallbackDirsPsr4,
+                    $paths
+                );
+            }
+        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
+            // Register directories for a new namespace.
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = $paths;
+        } elseif ($prepend) {
+            // Prepend directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                $paths,
+                $this->prefixDirsPsr4[$prefix]
+            );
+        } else {
+            // Append directories for an already registered namespace.
+            $this->prefixDirsPsr4[$prefix] = array_merge(
+                $this->prefixDirsPsr4[$prefix],
+                $paths
+            );
+        }
+    }
+
+    /**
+     * Registers a set of PSR-0 directories for a given prefix,
+     * replacing any others previously set for this prefix.
+     *
+     * @param string              $prefix The prefix
+     * @param list<string>|string $paths  The PSR-0 base directories
+     *
+     * @return void
+     */
+    public function set($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr0 = (array) $paths;
+        } else {
+            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Registers a set of PSR-4 directories for a given namespace,
+     * replacing any others previously set for this namespace.
+     *
+     * @param string              $prefix The prefix/namespace, with trailing '\\'
+     * @param list<string>|string $paths  The PSR-4 base directories
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return void
+     */
+    public function setPsr4($prefix, $paths)
+    {
+        if (!$prefix) {
+            $this->fallbackDirsPsr4 = (array) $paths;
+        } else {
+            $length = strlen($prefix);
+            if ('\\' !== $prefix[$length - 1]) {
+                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+            }
+            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+        }
+    }
+
+    /**
+     * Turns on searching the include path for class files.
+     *
+     * @param bool $useIncludePath
+     *
+     * @return void
+     */
+    public function setUseIncludePath($useIncludePath)
+    {
+        $this->useIncludePath = $useIncludePath;
+    }
+
+    /**
+     * Can be used to check if the autoloader uses the include path to check
+     * for classes.
+     *
+     * @return bool
+     */
+    public function getUseIncludePath()
+    {
+        return $this->useIncludePath;
+    }
+
+    /**
+     * Turns off searching the prefix and fallback directories for classes
+     * that have not been registered with the class map.
+     *
+     * @param bool $classMapAuthoritative
+     *
+     * @return void
+     */
+    public function setClassMapAuthoritative($classMapAuthoritative)
+    {
+        $this->classMapAuthoritative = $classMapAuthoritative;
+    }
+
+    /**
+     * Should class lookup fail if not found in the current class map?
+     *
+     * @return bool
+     */
+    public function isClassMapAuthoritative()
+    {
+        return $this->classMapAuthoritative;
+    }
+
+    /**
+     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
+     *
+     * @param string|null $apcuPrefix
+     *
+     * @return void
+     */
+    public function setApcuPrefix($apcuPrefix)
+    {
+        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
+    }
+
+    /**
+     * The APCu prefix in use, or null if APCu caching is not enabled.
+     *
+     * @return string|null
+     */
+    public function getApcuPrefix()
+    {
+        return $this->apcuPrefix;
+    }
+
+    /**
+     * Registers this instance as an autoloader.
+     *
+     * @param bool $prepend Whether to prepend the autoloader or not
+     *
+     * @return void
+     */
+    public function register($prepend = false)
+    {
+        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+
+        if (null === $this->vendorDir) {
+            return;
+        }
+
+        if ($prepend) {
+            self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders;
+        } else {
+            unset(self::$registeredLoaders[$this->vendorDir]);
+            self::$registeredLoaders[$this->vendorDir] = $this;
+        }
+    }
+
+    /**
+     * Unregisters this instance as an autoloader.
+     *
+     * @return void
+     */
+    public function unregister()
+    {
+        spl_autoload_unregister(array($this, 'loadClass'));
+
+        if (null !== $this->vendorDir) {
+            unset(self::$registeredLoaders[$this->vendorDir]);
+        }
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param  string    $class The name of the class
+     * @return true|null True if loaded, null otherwise
+     */
+    public function loadClass($class)
+    {
+        if ($file = $this->findFile($class)) {
+            $includeFile = self::$includeFile;
+            $includeFile($file);
+
+            return true;
+        }
+
+        return null;
+    }
+
+    /**
+     * Finds the path to the file where the class is defined.
+     *
+     * @param string $class The name of the class
+     *
+     * @return string|false The path if found, false otherwise
+     */
+    public function findFile($class)
+    {
+        // class map lookup
+        if (isset($this->classMap[$class])) {
+            return $this->classMap[$class];
+        }
+        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
+            return false;
+        }
+        if (null !== $this->apcuPrefix) {
+            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+            if ($hit) {
+                return $file;
+            }
+        }
+
+        $file = $this->findFileWithExtension($class, '.php');
+
+        // Search for Hack files if we are running on HHVM
+        if (false === $file && defined('HHVM_VERSION')) {
+            $file = $this->findFileWithExtension($class, '.hh');
+        }
+
+        if (null !== $this->apcuPrefix) {
+            apcu_add($this->apcuPrefix.$class, $file);
+        }
+
+        if (false === $file) {
+            // Remember that this class does not exist.
+            $this->missingClasses[$class] = true;
+        }
+
+        return $file;
+    }
+
+    /**
+     * Returns the currently registered loaders keyed by their corresponding vendor directories.
+     *
+     * @return array<string, self>
+     */
+    public static function getRegisteredLoaders()
+    {
+        return self::$registeredLoaders;
+    }
+
+    /**
+     * @param  string       $class
+     * @param  string       $ext
+     * @return string|false
+     */
+    private function findFileWithExtension($class, $ext)
+    {
+        // PSR-4 lookup
+        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
+
+        $first = $class[0];
+        if (isset($this->prefixLengthsPsr4[$first])) {
+            $subPath = $class;
+            while (false !== $lastPos = strrpos($subPath, '\\')) {
+                $subPath = substr($subPath, 0, $lastPos);
+                $search = $subPath . '\\';
+                if (isset($this->prefixDirsPsr4[$search])) {
+                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
+                    foreach ($this->prefixDirsPsr4[$search] as $dir) {
+                        if (file_exists($file = $dir . $pathEnd)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-4 fallback dirs
+        foreach ($this->fallbackDirsPsr4 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 lookup
+        if (false !== $pos = strrpos($class, '\\')) {
+            // namespaced class name
+            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
+                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
+        } else {
+            // PEAR-like class name
+            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
+        }
+
+        if (isset($this->prefixesPsr0[$first])) {
+            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
+                if (0 === strpos($class, $prefix)) {
+                    foreach ($dirs as $dir) {
+                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                            return $file;
+                        }
+                    }
+                }
+            }
+        }
+
+        // PSR-0 fallback dirs
+        foreach ($this->fallbackDirsPsr0 as $dir) {
+            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+                return $file;
+            }
+        }
+
+        // PSR-0 include paths.
+        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
+            return $file;
+        }
+
+        return false;
+    }
+
+    /**
+     * @return void
+     */
+    private static function initializeIncludeClosure()
+    {
+        if (self::$includeFile !== null) {
+            return;
+        }
+
+        /**
+         * Scope isolated include.
+         *
+         * Prevents access to $this/self from included files.
+         *
+         * @param  string $file
+         * @return void
+         */
+        self::$includeFile = \Closure::bind(static function($file) {
+            include $file;
+        }, null, null);
+    }
+}
--- a/M4/emensa/vendor/composer/InstalledVersions.php
+++ b/M4/emensa/vendor/composer/InstalledVersions.php
@@ -0,0 +1,359 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer;
+
+use Composer\Autoload\ClassLoader;
+use Composer\Semver\VersionParser;
+
+/**
+ * This class is copied in every Composer installed project and available to all
+ *
+ * See also https://getcomposer.org/doc/07-runtime.md#installed-versions
+ *
+ * To require its presence, you can require `composer-runtime-api ^2.0`
+ *
+ * @final
+ */
+class InstalledVersions
+{
+    /**
+     * @var mixed[]|null
+     * @psalm-var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}|array{}|null
+     */
+    private static $installed;
+
+    /**
+     * @var bool|null
+     */
+    private static $canGetVendors;
+
+    /**
+     * @var array[]
+     * @psalm-var array<string, array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
+     */
+    private static $installedByVendor = array();
+
+    /**
+     * Returns a list of all package names which are present, either by being installed, replaced or provided
+     *
+     * @return string[]
+     * @psalm-return list<string>
+     */
+    public static function getInstalledPackages()
+    {
+        $packages = array();
+        foreach (self::getInstalled() as $installed) {
+            $packages[] = array_keys($installed['versions']);
+        }
+
+        if (1 === \count($packages)) {
+            return $packages[0];
+        }
+
+        return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
+    }
+
+    /**
+     * Returns a list of all package names with a specific type e.g. 'library'
+     *
+     * @param  string   $type
+     * @return string[]
+     * @psalm-return list<string>
+     */
+    public static function getInstalledPackagesByType($type)
+    {
+        $packagesByType = array();
+
+        foreach (self::getInstalled() as $installed) {
+            foreach ($installed['versions'] as $name => $package) {
+                if (isset($package['type']) && $package['type'] === $type) {
+                    $packagesByType[] = $name;
+                }
+            }
+        }
+
+        return $packagesByType;
+    }
+
+    /**
+     * Checks whether the given package is installed
+     *
+     * This also returns true if the package name is provided or replaced by another package
+     *
+     * @param  string $packageName
+     * @param  bool   $includeDevRequirements
+     * @return bool
+     */
+    public static function isInstalled($packageName, $includeDevRequirements = true)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (isset($installed['versions'][$packageName])) {
+                return $includeDevRequirements || !isset($installed['versions'][$packageName]['dev_requirement']) || $installed['versions'][$packageName]['dev_requirement'] === false;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Checks whether the given package satisfies a version constraint
+     *
+     * e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call:
+     *
+     *   Composer\InstalledVersions::satisfies(new VersionParser, 'foo/bar', '^2.3')
+     *
+     * @param  VersionParser $parser      Install composer/semver to have access to this class and functionality
+     * @param  string        $packageName
+     * @param  string|null   $constraint  A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package
+     * @return bool
+     */
+    public static function satisfies(VersionParser $parser, $packageName, $constraint)
+    {
+        $constraint = $parser->parseConstraints((string) $constraint);
+        $provided = $parser->parseConstraints(self::getVersionRanges($packageName));
+
+        return $provided->matches($constraint);
+    }
+
+    /**
+     * Returns a version constraint representing all the range(s) which are installed for a given package
+     *
+     * It is easier to use this via isInstalled() with the $constraint argument if you need to check
+     * whether a given version of a package is installed, and not just whether it exists
+     *
+     * @param  string $packageName
+     * @return string Version constraint usable with composer/semver
+     */
+    public static function getVersionRanges($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            $ranges = array();
+            if (isset($installed['versions'][$packageName]['pretty_version'])) {
+                $ranges[] = $installed['versions'][$packageName]['pretty_version'];
+            }
+            if (array_key_exists('aliases', $installed['versions'][$packageName])) {
+                $ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']);
+            }
+            if (array_key_exists('replaced', $installed['versions'][$packageName])) {
+                $ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']);
+            }
+            if (array_key_exists('provided', $installed['versions'][$packageName])) {
+                $ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']);
+            }
+
+            return implode(' || ', $ranges);
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @param  string      $packageName
+     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
+     */
+    public static function getVersion($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            if (!isset($installed['versions'][$packageName]['version'])) {
+                return null;
+            }
+
+            return $installed['versions'][$packageName]['version'];
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @param  string      $packageName
+     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
+     */
+    public static function getPrettyVersion($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            if (!isset($installed['versions'][$packageName]['pretty_version'])) {
+                return null;
+            }
+
+            return $installed['versions'][$packageName]['pretty_version'];
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @param  string      $packageName
+     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as reference
+     */
+    public static function getReference($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            if (!isset($installed['versions'][$packageName]['reference'])) {
+                return null;
+            }
+
+            return $installed['versions'][$packageName]['reference'];
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @param  string      $packageName
+     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as install path. Packages of type metapackages also have a null install path.
+     */
+    public static function getInstallPath($packageName)
+    {
+        foreach (self::getInstalled() as $installed) {
+            if (!isset($installed['versions'][$packageName])) {
+                continue;
+            }
+
+            return isset($installed['versions'][$packageName]['install_path']) ? $installed['versions'][$packageName]['install_path'] : null;
+        }
+
+        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
+    }
+
+    /**
+     * @return array
+     * @psalm-return array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}
+     */
+    public static function getRootPackage()
+    {
+        $installed = self::getInstalled();
+
+        return $installed[0]['root'];
+    }
+
+    /**
+     * Returns the raw installed.php data for custom implementations
+     *
+     * @deprecated Use getAllRawData() instead which returns all datasets for all autoloaders present in the process. getRawData only returns the first dataset loaded, which may not be what you expect.
+     * @return array[]
+     * @psalm-return array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}
+     */
+    public static function getRawData()
+    {
+        @trigger_error('getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.', E_USER_DEPRECATED);
+
+        if (null === self::$installed) {
+            // only require the installed.php file if this file is loaded from its dumped location,
+            // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
+            if (substr(__DIR__, -8, 1) !== 'C') {
+                self::$installed = include __DIR__ . '/installed.php';
+            } else {
+                self::$installed = array();
+            }
+        }
+
+        return self::$installed;
+    }
+
+    /**
+     * Returns the raw data of all installed.php which are currently loaded for custom implementations
+     *
+     * @return array[]
+     * @psalm-return list<array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
+     */
+    public static function getAllRawData()
+    {
+        return self::getInstalled();
+    }
+
+    /**
+     * Lets you reload the static array from another file
+     *
+     * This is only useful for complex integrations in which a project needs to use
+     * this class but then also needs to execute another project's autoloader in process,
+     * and wants to ensure both projects have access to their version of installed.php.
+     *
+     * A typical case would be PHPUnit, where it would need to make sure it reads all
+     * the data it needs from this class, then call reload() with
+     * `require $CWD/vendor/composer/installed.php` (or similar) as input to make sure
+     * the project in which it runs can then also use this class safely, without
+     * interference between PHPUnit's dependencies and the project's dependencies.
+     *
+     * @param  array[] $data A vendor/composer/installed.php data set
+     * @return void
+     *
+     * @psalm-param array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $data
+     */
+    public static function reload($data)
+    {
+        self::$installed = $data;
+        self::$installedByVendor = array();
+    }
+
+    /**
+     * @return array[]
+     * @psalm-return list<array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
+     */
+    private static function getInstalled()
+    {
+        if (null === self::$canGetVendors) {
+            self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
+        }
+
+        $installed = array();
+
+        if (self::$canGetVendors) {
+            foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
+                if (isset(self::$installedByVendor[$vendorDir])) {
+                    $installed[] = self::$installedByVendor[$vendorDir];
+                } elseif (is_file($vendorDir.'/composer/installed.php')) {
+                    /** @var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $required */
+                    $required = require $vendorDir.'/composer/installed.php';
+                    $installed[] = self::$installedByVendor[$vendorDir] = $required;
+                    if (null === self::$installed && strtr($vendorDir.'/composer', '\\', '/') === strtr(__DIR__, '\\', '/')) {
+                        self::$installed = $installed[count($installed) - 1];
+                    }
+                }
+            }
+        }
+
+        if (null === self::$installed) {
+            // only require the installed.php file if this file is loaded from its dumped location,
+            // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
+            if (substr(__DIR__, -8, 1) !== 'C') {
+                /** @var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $required */
+                $required = require __DIR__ . '/installed.php';
+                self::$installed = $required;
+            } else {
+                self::$installed = array();
+            }
+        }
+
+        if (self::$installed !== array()) {
+            $installed[] = self::$installed;
+        }
+
+        return $installed;
+    }
+}
--- a/M4/emensa/vendor/composer/LICENSE
+++ b/M4/emensa/vendor/composer/LICENSE
@@ -0,0 +1,21 @@
+
+Copyright (c) Nils Adermann, Jordi Boggiano
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
--- a/M4/emensa/vendor/composer/autoload_classmap.php
+++ b/M4/emensa/vendor/composer/autoload_classmap.php
@@ -0,0 +1,10 @@
+<?php
+
+// autoload_classmap.php @generated by Composer
+
+$vendorDir = dirname(__DIR__);
+$baseDir = dirname($vendorDir);
+
+return array(
+    'Composer\\InstalledVersions' => $vendorDir . '/composer/InstalledVersions.php',
+);
--- a/M4/emensa/vendor/composer/autoload_namespaces.php
+++ b/M4/emensa/vendor/composer/autoload_namespaces.php
@@ -0,0 +1,9 @@
+<?php
+
+// autoload_namespaces.php @generated by Composer
+
+$vendorDir = dirname(__DIR__);
+$baseDir = dirname($vendorDir);
+
+return array(
+);
--- a/M4/emensa/vendor/composer/autoload_psr4.php
+++ b/M4/emensa/vendor/composer/autoload_psr4.php
@@ -0,0 +1,10 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(__DIR__);
+$baseDir = dirname($vendorDir);
+
+return array(
+    'eftec\\bladeone\\' => array($vendorDir . '/eftec/bladeone/lib'),
+);
--- a/M4/emensa/vendor/composer/autoload_real.php
+++ b/M4/emensa/vendor/composer/autoload_real.php
@@ -0,0 +1,38 @@
+<?php
+
+// autoload_real.php @generated by Composer
+
+class ComposerAutoloaderInit0a19be8f09bdc5d4e2b07ba9e95a5801
+{
+    private static $loader;
+
+    public static function loadClassLoader($class)
+    {
+        if ('Composer\Autoload\ClassLoader' === $class) {
+            require __DIR__ . '/ClassLoader.php';
+        }
+    }
+
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
+    public static function getLoader()
+    {
+        if (null !== self::$loader) {
+            return self::$loader;
+        }
+
+        require __DIR__ . '/platform_check.php';
+
+        spl_autoload_register(array('ComposerAutoloaderInit0a19be8f09bdc5d4e2b07ba9e95a5801', 'loadClassLoader'), true, true);
+        self::$loader = $loader = new \Composer\Autoload\ClassLoader(\dirname(__DIR__));
+        spl_autoload_unregister(array('ComposerAutoloaderInit0a19be8f09bdc5d4e2b07ba9e95a5801', 'loadClassLoader'));
+
+        require __DIR__ . '/autoload_static.php';
+        call_user_func(\Composer\Autoload\ComposerStaticInit0a19be8f09bdc5d4e2b07ba9e95a5801::getInitializer($loader));
+
+        $loader->register(true);
+
+        return $loader;
+    }
+}
--- a/M4/emensa/vendor/composer/autoload_static.php
+++ b/M4/emensa/vendor/composer/autoload_static.php
@@ -0,0 +1,36 @@
+<?php
+
+// autoload_static.php @generated by Composer
+
+namespace Composer\Autoload;
+
+class ComposerStaticInit0a19be8f09bdc5d4e2b07ba9e95a5801
+{
+    public static $prefixLengthsPsr4 = array (
+        'e' => 
+        array (
+            'eftec\\bladeone\\' => 15,
+        ),
+    );
+
+    public static $prefixDirsPsr4 = array (
+        'eftec\\bladeone\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/eftec/bladeone/lib',
+        ),
+    );
+
+    public static $classMap = array (
+        'Composer\\InstalledVersions' => __DIR__ . '/..' . '/composer/InstalledVersions.php',
+    );
+
+    public static function getInitializer(ClassLoader $loader)
+    {
+        return \Closure::bind(function () use ($loader) {
+            $loader->prefixLengthsPsr4 = ComposerStaticInit0a19be8f09bdc5d4e2b07ba9e95a5801::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInit0a19be8f09bdc5d4e2b07ba9e95a5801::$prefixDirsPsr4;
+            $loader->classMap = ComposerStaticInit0a19be8f09bdc5d4e2b07ba9e95a5801::$classMap;
+
+        }, null, ClassLoader::class);
+    }
+}
--- a/M4/emensa/vendor/composer/installed.json
+++ b/M4/emensa/vendor/composer/installed.json
@@ -0,0 +1,68 @@
+{
+    "packages": [
+        {
+            "name": "eftec/bladeone",
+            "version": "4.9",
+            "version_normalized": "4.9.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/EFTEC/BladeOne.git",
+                "reference": "019036c226086fbe7591360d260067c5d82400ca"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/EFTEC/BladeOne/zipball/019036c226086fbe7591360d260067c5d82400ca",
+                "reference": "019036c226086fbe7591360d260067c5d82400ca",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "php": ">=7.2.5"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^8.5.23"
+            },
+            "suggest": {
+                "eftec/bladeonehtml": "Extension to create forms",
+                "ext-mbstring": "This extension is used if it's active"
+            },
+            "time": "2023-05-01T12:48:42+00:00",
+            "bin": [
+                "lib/bladeonecli"
+            ],
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "psr-4": {
+                    "eftec\\bladeone\\": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jorge Patricio Castro Castillo",
+                    "email": "jcastro@eftec.cl"
+                }
+            ],
+            "description": "The standalone version Blade Template Engine from Laravel in a single php file",
+            "homepage": "https://github.com/EFTEC/BladeOne",
+            "keywords": [
+                "blade",
+                "php",
+                "template",
+                "templating",
+                "view"
+            ],
+            "support": {
+                "issues": "https://github.com/EFTEC/BladeOne/issues",
+                "source": "https://github.com/EFTEC/BladeOne/tree/4.9"
+            },
+            "install-path": "../eftec/bladeone"
+        }
+    ],
+    "dev": true,
+    "dev-package-names": []
+}
--- a/M4/emensa/vendor/composer/installed.php
+++ b/M4/emensa/vendor/composer/installed.php
@@ -0,0 +1,32 @@
+<?php return array(
+    'root' => array(
+        'name' => 'emensa/mvc',
+        'pretty_version' => 'dev-ac3eb12ab743c0c1f7fa1538586ff366402d472a',
+        'version' => 'dev-ac3eb12ab743c0c1f7fa1538586ff366402d472a',
+        'reference' => 'ac3eb12ab743c0c1f7fa1538586ff366402d472a',
+        'type' => 'library',
+        'install_path' => __DIR__ . '/../../',
+        'aliases' => array(),
+        'dev' => true,
+    ),
+    'versions' => array(
+        'eftec/bladeone' => array(
+            'pretty_version' => '4.9',
+            'version' => '4.9.0.0',
+            'reference' => '019036c226086fbe7591360d260067c5d82400ca',
+            'type' => 'library',
+            'install_path' => __DIR__ . '/../eftec/bladeone',
+            'aliases' => array(),
+            'dev_requirement' => false,
+        ),
+        'emensa/mvc' => array(
+            'pretty_version' => 'dev-ac3eb12ab743c0c1f7fa1538586ff366402d472a',
+            'version' => 'dev-ac3eb12ab743c0c1f7fa1538586ff366402d472a',
+            'reference' => 'ac3eb12ab743c0c1f7fa1538586ff366402d472a',
+            'type' => 'library',
+            'install_path' => __DIR__ . '/../../',
+            'aliases' => array(),
+            'dev_requirement' => false,
+        ),
+    ),
+);
--- a/M4/emensa/vendor/composer/platform_check.php
+++ b/M4/emensa/vendor/composer/platform_check.php
@@ -0,0 +1,26 @@
+<?php
+
+// platform_check.php @generated by Composer
+
+$issues = array();
+
+if (!(PHP_VERSION_ID >= 70205)) {
+    $issues[] = 'Your Composer dependencies require a PHP version ">= 7.2.5". You are running ' . PHP_VERSION . '.';
+}
+
+if ($issues) {
+    if (!headers_sent()) {
+        header('HTTP/1.1 500 Internal Server Error');
+    }
+    if (!ini_get('display_errors')) {
+        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {
+            fwrite(STDERR, 'Composer detected issues in your platform:' . PHP_EOL.PHP_EOL . implode(PHP_EOL, $issues) . PHP_EOL.PHP_EOL);
+        } elseif (!headers_sent()) {
+            echo 'Composer detected issues in your platform:' . PHP_EOL.PHP_EOL . str_replace('You are running '.PHP_VERSION.'.', '', implode(PHP_EOL, $issues)) . PHP_EOL.PHP_EOL;
+        }
+    }
+    trigger_error(
+        'Composer detected issues in your platform: ' . implode(' ', $issues),
+        E_USER_ERROR
+    );
+}
--- a/M4/emensa/vendor/eftec/bladeone/.github/workflows/php.yml
+++ b/M4/emensa/vendor/eftec/bladeone/.github/workflows/php.yml
@@ -0,0 +1,39 @@
+name: PHP Composer
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate --strict
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v3
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-
+
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress
+
+    # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
+    # Docs: https://getcomposer.org/doc/articles/scripts.md
+
+    # - name: Run test suite
+    #   run: composer run-script test
--- a/M4/emensa/vendor/eftec/bladeone/LICENSE
+++ b/M4/emensa/vendor/eftec/bladeone/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Jorge Patricio Castro Castillo
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice, other copyright notices and this permission notice
+shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/M4/emensa/vendor/eftec/bladeone/composer.json
+++ b/M4/emensa/vendor/eftec/bladeone/composer.json
@@ -0,0 +1,49 @@
+{
+  "name": "eftec/bladeone",
+  "description": "The standalone version Blade Template Engine from Laravel in a single php file",
+  "type": "library",
+  "keywords": [
+    "blade",
+    "template",
+    "view",
+    "php",
+    "templating"
+  ],
+  "homepage": "https://github.com/EFTEC/BladeOne",
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "Jorge Patricio Castro Castillo",
+      "email": "jcastro@eftec.cl"
+    }
+  ],
+  "require": {
+    "php": ">=7.2.5",
+    "ext-json": "*"
+  },
+  "suggest": {
+    "ext-mbstring": "This extension is used if it's active",
+    "eftec/bladeonehtml": "Extension to create forms"
+  },
+  "archive": {
+    "exclude": [
+      "/examples"
+    ]
+  },
+  "autoload": {
+    "psr-4": {
+      "eftec\\bladeone\\": "lib/"
+    }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "eftec\\tests\\": "tests/"
+    }
+  },
+  "bin": [
+    "lib/bladeonecli"
+  ],
+  "require-dev": {
+    "phpunit/phpunit": "^8.5.23"
+  }
+}
--- a/M4/emensa/vendor/eftec/bladeone/lib/BladeOne.php
+++ b/M4/emensa/vendor/eftec/bladeone/lib/BladeOne.php
--- a/M4/emensa/vendor/eftec/bladeone/lib/BladeOneCache.php
+++ b/M4/emensa/vendor/eftec/bladeone/lib/BladeOneCache.php
@@ -0,0 +1,328 @@
+<?php /** @noinspection UnknownInspectionInspection */
+
+
+
+/** @noinspection TypeUnsafeComparisonInspection */
+
+
+
+
+
+namespace eftec\bladeone;
+
+use Exception;
+use function fclose;
+use function file_put_contents;
+use function filemtime;
+use function filesize;
+use function fopen;
+use function fwrite;
+use function is_array;
+use function is_object;
+use function ob_get_contents;
+use function print_r;
+use function strlen;
+use function substr;
+use function time;
+
+/**
+ * trait BladeOneCache
+ * Copyright (c) 2016 Jorge Patricio Castro Castillo MIT License. Don't delete this comment, its part of the license.
+ * Extends the tags of the class BladeOne.  Its optional
+ * It adds the next tags to the template
+ * <code>
+ * @ cache([cacheid],[duration=86400]).  The id is optional. The duration of the cache is in seconds
+ * // content here
+ * @ endcache()
+ * </code>
+ * It also adds a new function (optional) to the business or logic layer
+ * <code>
+ * if ($blade->cacheExpired('hellocache',1,5)) {   //'helloonecache' =template, =1 id cache, 5=duration (seconds)
+ *    // cache expired, so we should do some stuff (such as read from the database)
+ * }
+ * </code>
+ *
+ * @package  BladeOneCache
+ * @version  3.42 2020-04-25
+ * @link     https://github.com/EFTEC/BladeOne
+ * @author   Jorge Patricio Castro Castillo <jcastro arroba eftec dot cl>
+ */
+trait BladeOneCache
+{
+    protected $curCacheId = 0;
+    protected $curCacheDuration = 0;
+    protected $curCachePosition = 0;
+    protected $cacheRunning = false;
+    protected $cachePageRunning = false;
+    protected $cacheLog;
+    /**
+     * @var array avoids comparing the file different times. It also avoids race conditions.
+     */
+    private $cacheExpired = [];
+    /**
+     * @var string=['get','post','getpost','request',null][$i]
+     */
+    private $cacheStrategy;
+    /** @var array|null  */
+    private $cacheStrategyIndex;
+
+    /**
+     * @return null|string $cacheStrategy=['get','post','getpost','request',null][$i]
+     */
+    public function getCacheStrategy(): ?string
+    {
+        return $this->cacheStrategy;
+    }
+
+    /**
+     * It sets the cache log. If not cache log then it does not generate a log file<br>
+     * The cache log stores each time a template is creates or expired.<br>
+     *
+     * @param string $file
+     */
+    public function setCacheLog($file): void
+    {
+        $this->cacheLog=$file;
+    }
+
+    public function writeCacheLog($txt, $nivel): void
+    {
+        if (!$this->cacheLog) {
+            return; // if there is not a file assigned then it skips saving.
+        }
+        $fz = @filesize($this->cacheLog);
+        if (is_object($txt) || is_array($txt)) {
+            $txt = print_r($txt, true);
+        }
+        // Rewrite file if more than 100000 bytes
+        $mode=($fz > 100000) ? 'w':'a';
+        $fp = fopen($this->cacheLog, $mode);
+        if ($fp === false) {
+            return;
+        }
+        switch ($nivel) {
+            case 1:
+                $txtNivel='expired';
+                break;
+            case 2:
+                $txtNivel='new';
+                break;
+            default:
+                $txtNivel='other';
+        }
+        $txtarg=json_encode($this->cacheUniqueGUID(false));
+        fwrite($fp, date('c') . "\t$txt\t$txtNivel\t$txtarg\n");
+        fclose($fp);
+    }
+
+    /**
+     * It sets the strategy of the cache page.
+     *
+     * @param null|string $cacheStrategy =['get','post','getpost','request',null][$i]
+     * @param array|null $index if null then it reads all indexes. If not, it reads an indexes.
+     */
+    public function setCacheStrategy($cacheStrategy, $index = null): void
+    {
+        $this->cacheStrategy = $cacheStrategy;
+        $this->cacheStrategyIndex = $index;
+    }
+
+    /**
+     * It obtains a unique GUID based in:<br>
+     * <b>get</b>= parameters from the url<br>
+     * <b>post</b>= parameters sends via post<br>
+     * <b>getpost</b> = a mix between get and post<br>
+     * <b>request</b> = get, post and cookies (including sessions)<br>
+     * MD5 could generate colisions (2^64 = 18,446,744,073,709,551,616) but the end hash is the sum of the hash of
+     * the page + this GUID.
+     *
+     * @param bool $serialize if true then it serializes using md5
+     * @return string|null
+     */
+    private function cacheUniqueGUID($serialize = true): ?string
+    {
+        switch ($this->cacheStrategy) {
+            case 'get':
+                $r = $_GET;
+                break;
+            case 'post':
+                $r = $_POST;
+                break;
+            case 'getpost':
+                $arr = array_merge($_GET, $_POST);
+                $r = $arr;
+                break;
+            case 'request':
+                $r = $_REQUEST;
+                break;
+            default:
+                $r = null;
+        }
+        if ($this->cacheStrategyIndex === null || !is_array($r)) {
+            $r= serialize($r);
+        } else {
+            $copy=[];
+            foreach ($r as $key => $item) {
+                if (in_array($key, $this->cacheStrategyIndex, true)) {
+                    $copy[$key]=$item;
+                }
+            }
+            $r=serialize($copy);
+        }
+        return $serialize===true ? md5($r): $r;
+    }
+
+    public function compileCache($expression): string
+    {
+        // get id of template
+        // if the file exists then
+        //     compare date.
+        //     if the date is too old then re-save.
+        // else
+        // save for the first time.
+
+        return $this->phpTag . "echo \$this->cacheStart$expression; if(!\$this->cacheRunning) { ?>";
+    }
+
+    public function compileEndCache($expression): string
+    {
+        return $this->phpTag . "} // if cacheRunning\necho \$this->cacheEnd$expression; ?>";
+    }
+
+    /**
+     * It gets the filename of the compiled file (cached). If cache is not enabled, then it
+     * returns the regular file.
+     *
+     * @param string $view
+     * @return string The full filename
+     */
+    private function getCompiledFileCache($view): string
+    {
+        $id = $this->cacheUniqueGUID();
+        if ($id !== null) {
+            return str_replace($this->compileExtension, '_cache' . $id
+                . $this->compileExtension, $this->getCompiledFile($view));
+        }
+        return $this->getCompiledFile($view);
+    }
+
+    /**
+     * run the blade engine. It returns the result of the code.
+     *
+     * @param string $view      The name of the cache. Ex: "folder.folder.view" ("/folder/folder/view.blade")
+     * @param array  $variables An associative arrays with the values to display.
+     * @param int    $ttl       time to live (in second).
+     * @return string
+     * @throws Exception
+     */
+    public function runCache($view, $variables = [], $ttl = 86400): string
+    {
+        $this->cachePageRunning = true;
+        $cacheStatus=$this->cachePageExpired($view, $ttl);
+        if ($cacheStatus!==0) {
+            $this->writeCacheLog($view, $cacheStatus);
+            $this->cacheStart('_page_', $ttl);
+            $content = $this->run($view, $variables); // if no cache, then it runs normally.
+            $this->fileName = $view; // sometimes the filename is replaced (@include), so we restore it
+            $this->cacheEnd($content); // and it stores as a cache paged.
+        } else {
+            $content = $this->getFile($this->getCompiledFileCache($view));
+        }
+        $this->cachePageRunning = false;
+        return $content;
+    }
+
+    /**
+     * Returns true if the block cache expired (or doesn't exist), otherwise false.
+     *
+     * @param string $templateName name of the template to use (such hello for template hello.blade.php)
+     * @param string $id (id of cache, optional, if not id then it adds automatically a number)
+     * @param int $cacheDuration (duration of the cache in seconds)
+     * @return int 0=cache exists, 1= cache expired, 2=not exists, string= the cache file (if any)
+     */
+    public function cacheExpired($templateName, $id, $cacheDuration): int
+    {
+        if ($this->getMode() & 1) {
+            return 2; // forced mode, hence it always expires. (fast mode is ignored).
+        }
+        $compiledFile = $this->getCompiledFile($templateName) . '_cache' . $id;
+        return $this->cacheExpiredInt($compiledFile, $cacheDuration);
+    }
+
+    /**
+     * It returns true if the whole page expired.
+     *
+     * @param string $templateName
+     * @param int $cacheDuration is seconds.
+     * @return int 0=cache exists, 1= cache expired, 2=not exists, string= the cache content (if any)
+     */
+    public function cachePageExpired($templateName, $cacheDuration): int
+    {
+        if ($this->getMode() & 1) {
+            return 2; // forced mode, hence it always expires. (fast mode is ignored).
+        }
+        $compiledFile = $this->getCompiledFileCache($templateName);
+        return $this->CacheExpiredInt($compiledFile, $cacheDuration);
+    }
+
+    /**
+     * This method is used by cacheExpired() and cachePageExpired()
+     *
+     * @param string $compiledFile
+     * @param int $cacheDuration is seconds.
+     * @return int|mixed 0=cache exists, 1= cache expired, 2=not exists, string= the cache content (if any)
+     */
+    private function cacheExpiredInt($compiledFile, $cacheDuration)
+    {
+        if (isset($this->cacheExpired[$compiledFile])) {
+            // if the information is already in the array then returns it.
+            return $this->cacheExpired[$compiledFile];
+        }
+        $date = @filemtime($compiledFile);
+        if ($date) {
+            if ($date + $cacheDuration < time()) {
+                $this->cacheExpired[$compiledFile] = 1;
+                return 2; // time-out.
+            }
+        } else {
+            $this->cacheExpired[$compiledFile] = 2;
+            return 1; // no file
+        }
+        $this->cacheExpired[$compiledFile] = 0;
+        return 0; // cache active.
+    }
+
+    public function cacheStart($id = '', $cacheDuration = 86400): void
+    {
+        $this->curCacheId = ($id == '') ? ($this->curCacheId + 1) : $id;
+        $this->curCacheDuration = $cacheDuration;
+        $this->curCachePosition = strlen(ob_get_contents());
+        if ($this->cachePageRunning) {
+            $compiledFile = $this->getCompiledFileCache($this->fileName);
+        } else {
+            $compiledFile = $this->getCompiledFile() . '_cache' . $this->curCacheId;
+        }
+
+        if ($this->cacheExpired('', $id, $cacheDuration) !==0) {
+            $this->cacheRunning = false;
+        } else {
+            $this->cacheRunning = true;
+            $content = $this->getFile($compiledFile);
+            echo $content;
+        }
+    }
+
+    public function cacheEnd($txt = null): void
+    {
+        if (!$this->cacheRunning) {
+            $txt = $txt ?? substr(ob_get_contents(), $this->curCachePosition);
+            if ($this->cachePageRunning) {
+                $compiledFile = $this->getCompiledFileCache($this->fileName);
+            } else {
+                $compiledFile = $this->getCompiledFile() . '_cache' . $this->curCacheId;
+            }
+            file_put_contents($compiledFile, $txt);
+        }
+        $this->cacheRunning = false;
+    }
+}
--- a/M4/emensa/vendor/eftec/bladeone/lib/BladeOneCacheRedis.php
+++ b/M4/emensa/vendor/eftec/bladeone/lib/BladeOneCacheRedis.php
@@ -0,0 +1,160 @@
+<?php
+
+
+namespace eftec\bladeone;
+
+use Redis;
+use function class_exists;
+use function file_put_contents;
+use function filemtime;
+use function ob_get_contents;
+use function strlen;
+use function substr;
+use function time;
+
+/**
+ * trait BladeOneCacheRedis
+ * Copyright (c) 2016 Jorge Patricio Castro Castillo MIT License. Don't delete this comment, its part of the license.
+ * Extends the tags of the class BladeOne.  Its optional
+ * It adds the next tags to the template
+ * <code>
+ * @ cache([cacheid],[duration=86400]).  The id is optional. The duration of the cache is in seconds
+ * // content here
+ * @ endcache()
+ * </code>
+ * It also adds a new function (optional) to the business or logic layer
+ * <code>
+ * if ($blade->cacheExpired('hellocache',1,5)) {   //'helloonecache' =template, =1 id cache, 5=duration (seconds)
+ *    // cache expired, so we should do some stuff (such as read from the database)
+ * }
+ * </code>
+ *
+ * @package  BladeOneCacheRedis
+ * @version  0.1 2017-12-15 NOT YET IMPLEMENTED, ITS A WIP!!!!!!!!
+ * @link     https://github.com/EFTEC/BladeOne
+ * @author   Jorge Patricio Castro Castillo <jcastro arroba eftec dot cl>
+ */
+const CACHEREDIS_SCOPEURL = 1;
+
+trait BladeOneCacheRedis
+{
+    protected $curCacheId = 0;
+    protected $curCacheDuration = "";
+    protected $curCachePosition = 0;
+    protected $cacheRunning = false;
+    /** @var \Redis $redis */
+    protected $redis;
+    protected $redisIP = '127.0.0.1';
+    protected $redisPort = 6379;
+    protected $redisTimeOut = 2.5;
+    protected $redisConnected = false;
+    protected $redisNamespace = 'bladeonecache:';
+    protected $redisBase = 0;
+    private $cacheExpired = []; // avoids to compare the file different times.
+
+    //<editor-fold desc="compile">
+    public function compileCache($expression)
+    {
+        // get id of template
+        // if the file exists then
+        //     compare date.
+        //     if the date is too old then re-save.
+        // else
+        // save for the first time.
+
+        return $this->phpTag . "echo \$this->cacheStart{$expression}; if(!\$this->cacheRunning) { ?>";
+    }
+
+    public function compileEndCache($expression)
+    {
+        return $this->phpTag . "} // if cacheRunning\necho \$this->cacheEnd{$expression}; ?>";
+    }
+    //</editor-fold>
+
+    public function connect($redisIP = null, $redisPort = null, $redisTimeOut = null)
+    {
+        if ($this->redisConnected) {
+            return true;
+        }
+        if (!class_exists('Redis')) {
+            return false; // it requires redis.
+        }
+        if ($redisIP !== null) {
+            $this->redisIP = $redisIP;
+            $this->redisPort = $redisPort;
+            $this->redisTimeOut = $redisTimeOut;
+        }
+        $this->redis = new Redis();
+        // 2.5 sec timeout.
+        $this->redisConnected = $this->redis->connect($this->redisIP, $this->redisPort, $this->redisTimeOut);
+
+        return $this->redisConnected;
+    }
+
+    /**
+     * Returns true if the cache expired (or doesn't exist), otherwise false.
+     *
+     * @param string $templateName  name of the template to use (such hello for template hello.blade.php)
+     * @param string $id            (id of cache, optional, if not id then it adds automatically a number)
+     * @param int    $scope         scope of the cache.
+     * @param int    $cacheDuration (duration of the cache in seconds)
+     * @return bool (return if the cache expired)
+     */
+    public function cacheExpired($templateName, $id, $scope, $cacheDuration)
+    {
+        if ($this->getMode() & 1) {
+            return true; // forced mode, hence it always expires. (fast mode is ignored).
+        }
+        $compiledFile = $this->getCompiledFile($templateName) . '_cache' . $id;
+        if (isset($this->cacheExpired[$compiledFile])) {
+            // if the information is already in the array then returns it.
+            return $this->cacheExpired[$compiledFile];
+        }
+        $date = @filemtime($compiledFile);
+        if ($date) {
+            if ($date + $cacheDuration < time()) {
+                $this->cacheExpired[$compiledFile] = true;
+                return true; // time-out.
+            }
+        } else {
+            $this->cacheExpired[$compiledFile] = true;
+            return true; // no file
+        }
+        $this->cacheExpired[$compiledFile] = false;
+        return false; // cache active.
+    }
+
+    public function cacheStart($id = "", $cacheDuration = 86400)
+    {
+        $this->curCacheId = ($id == "") ? ($this->curCacheId + 1) : $id;
+        $this->curCacheDuration = $cacheDuration;
+        $this->curCachePosition = strlen(ob_get_contents());
+        $compiledFile = $this->getCompiledFile() . '_cache' . $this->curCacheId;
+        if ($this->cacheExpired('', $id, $cacheDuration)) {
+            $this->cacheRunning = false;
+        } else {
+            $this->cacheRunning = true;
+            $content = $this->getFile($compiledFile);
+            echo $content;
+        }
+        // getFile($fileName)
+    }
+
+    public function cacheEnd()
+    {
+        if (!$this->cacheRunning) {
+            $txt = substr(ob_get_contents(), $this->curCachePosition);
+            $compiledFile = $this->getCompiledFile() . '_cache' . $this->curCacheId;
+            file_put_contents($compiledFile, $txt);
+        }
+        $this->cacheRunning = false;
+    }
+
+    private function keyByScope($scope)
+    {
+        $key = '';
+        if ($scope && CACHEREDIS_SCOPEURL) {
+            $key .= $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
+        }
+    }
+}
--- a/M4/emensa/vendor/eftec/bladeone/lib/BladeOneCustom.php
+++ b/M4/emensa/vendor/eftec/bladeone/lib/BladeOneCustom.php
@@ -0,0 +1,59 @@
+<?php /** @noinspection ReturnTypeCanBeDeclaredInspection */
+/** @noinspection PhpMissingReturnTypeInspection */
+/** @noinspection UnknownInspectionInspection */
+
+/** @noinspection PhpUnused */
+
+namespace eftec\bladeone;
+
+/*
+ * It's an example of a custom set of functions for bladeone.
+ * in examples/TestCustom.php there is a working example
+ */
+
+use function array_pop;
+
+trait BladeOneCustom
+{
+    private $customItem = []; // indicates the type of the current tag. such as select/selectgroup/etc.
+
+    //<editor-fold desc="compile function">
+    /**
+     * Usage @panel('title',true,true).....@endpanel()
+     *
+     * @param $expression
+     * @return string
+     */
+    protected function compilePanel($expression)
+    {
+        $this->customItem[] = 'Panel';
+        return $this->phpTag . "echo \$this->panel$expression; ?>";
+    }
+
+    protected function compileEndPanel()
+    {
+        $r = @array_pop($this->customItem);
+        if ($r === null) {
+            $this->showError('@endpanel', 'Missing @compilepanel or so many @compilepanel', true);
+        }
+        return ' </div></section><!-- end panel -->'; // we don't need to create a function for this.
+    }
+
+    //</editor-fold>
+
+    //<editor-fold desc="used function">
+    protected function panel($title = '', $toggle = true, $dismiss = true)
+    {
+        return "<section class='panel'>
+                <header class='panel-heading'>
+                    <div class='panel-actions'>
+                        " . (($toggle) ? "<a href='#' class='panel-action panel-action-toggle' data-panel-toggle></a>" : '') . '
+                        ' . (($dismiss) ? "<a href='#' class='panel-action panel-action-dismiss' data-panel-dismiss></a>" : '') . "
+                    </div>
+    
+                    <h2 class='panel-title'>$title</h2>
+                </header>
+                <div class='panel-body'>";
+    }
+    //</editor-fold>
+}
--- a/M4/emensa/vendor/eftec/bladeone/lib/bladeonecli
+++ b/M4/emensa/vendor/eftec/bladeone/lib/bladeonecli
@@ -0,0 +1,29 @@
+<?php
+
+namespace eftec;
+
+// this code only runs on CLI but only if bladeonecli.php is called directly and via command line.
+use eftec\bladeone\BladeOne;
+
+if (!defined('PHPUNIT_COMPOSER_INSTALL') && !defined('__PHPUNIT_PHAR__')
+    && isset($_SERVER['PHP_SELF']) &&
+    !http_response_code() &&
+    (basename($_SERVER['PHP_SELF']) === 'bladeonecli.php' || basename($_SERVER['PHP_SELF']) === 'bladeonecli')
+) {
+    // we also excluded it if it is called by phpunit.
+    include_once __DIR__ . '/BladeOne.php';
+
+    $compilepath = BladeOne::getParameterCli('compilepath', null);
+    $templatepath = BladeOne::getParameterCli('templatepath', null);
+    if (!BladeOne::isAbsolutePath($compilepath)) {
+        $compilepath = getcwd() . '/' . $compilepath;
+    }
+    if (!BladeOne::isAbsolutePath($templatepath)) {
+        $templatepath = getcwd() . '/' . $templatepath;
+    }
+    $inst = new BladeOne($templatepath, $compilepath);
+    $inst->cliEngine();
+} else {
+    @http_response_code(404);
+}
+
--- a/M4/emensa/views/debug.blade.php
+++ b/M4/emensa/views/debug.blade.php
@@ -0,0 +1,6 @@
+<h1>This is a blade view showing phpinfo();</h1>
+<p><a href="/">go back</a>.</p>
+
+@php
+phpinfo();
+@endphp
--- a/M4/emensa/views/demo/dbdata.blade.php
+++ b/M4/emensa/views/demo/dbdata.blade.php
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <title>Beispiel: Daten aus der Datenbank</title>
+</head>
+<body>
+
+
+@if (isset($data['error']))
+    <h1>Es gab ein Problem mit der Datenbankverbindung</h1>
+    <p>Fehlermeldung</p>
+    <pre> {{$data['beschreibung']}}</pre>
+
+@else
+
+
+    <article>
+        <h1>Daten aus der Datenbank der Tabelle: Gerichte</h1>
+        <p>Der Controller inkludiert das benötigte Model (gerichte.php in diesem Fall)
+            und ruft die benötigte Funktion <code>db_gerichte_select_all()</code> zum Laden der Daten auf</p>
+        <ul>
+            @forelse($data as $a)
+                <li>{{$a['name']}}</li>
+            @empty
+                <li>Keine Daten vorhanden.</li>
+            @endforelse
+        </ul>
+    </article>
+@endif
+</body>
+</html>
--- a/M4/emensa/views/demo/demo.blade.php
+++ b/M4/emensa/views/demo/demo.blade.php
@@ -0,0 +1,92 @@
+@extends(".layouts.layout")
+
+@section("content")
+    <div>
+        <h1>Demo für {{ $name }}</h1>
+        <p>Kurze Übersicht, wie die Arbeit mit dem Router und der Blade View-Engine funktioniert.</p>
+
+        <h2>Router</h2>
+        <p>Der Router nimmt den Request entgegen und zerlegt ihn in die einzelnen Teile der URI. Wichtig ist hier vor
+            allem der Pfad und der Querystring.</p>
+        <p>Wenn der Pfad in der Routenkonfiguration (<code>\$config</code> Array aus der Datei
+            <code>routes/web.php</code>) gefunden wird, lädt der Router die angegebene Klasse.</p>
+
+        <h3>Funktionsweise</h3>
+        <p>Im vorliegenden Beispiel sehen Sie diese Seite ... </p>
+        <ol>
+            <li>weil der Pfad in der Routenkonfiguration gefunden wurde</li>
+            <li>und dort <span class="code">'DemoController@howto'</span> hinterlegt ist</li>
+            <li>und im Ordner <span class="code">controllers/</span> die Datei <code class="language-php">DemoController.php</code> gefunden werden konnte
+            </li>
+            <li>und mit ihr ein Objekt des Typs <span class="code">DemoController</span> instanziiert werden konnte</li>
+            <li>und dieses Objekt die Funktion (Action) <span class="code">howto()</span> ausgeführt hat</li>
+        </ol>
+        <p>Sie sehen: da muss einiges stimmen und vieles davon ist Konvention.</p>
+        <h3>Querystrings und Pfadsegmente</h3>
+        <p>Die Actions in den Controller-Klassen sollen per Konvention immer ein <span class="code">RequestData</span> Objekt
+            entgegennehmen. Beispiel: <code class="language-php">howto(RequestData \$rd)</code></p>
+        <p>Dieses RequestData Objekt wird durch den Router befüllt, wenn Daten in der URL extrahiert werden konnten.</p>
+        <p>Daten finden sich URLs...</p>
+
+        <ul>
+            <li>
+                <p>
+                    <strong>im Querystring</strong><br>Beispiel: rufen Sie diese mit
+                <code class="language-http">{{strtolower(explode('/',$_SERVER["SERVER_PROTOCOL"])[0])}}://{{$_SERVER["HTTP_HOST"]}}/demo?<strong>bgcolor=fefbd8&name=Remmy</strong></code>
+            auf, werden <span class="language-php">bgcolor</span> und <code class="language-php">name</code> mitsamt Werten als Query Array
+            <code class="language-php">$rd->query</code>) übergeben
+                </p>
+            </li>
+        </ul>
+
+        <p>Probieren Sie es aus ;)</p>
+        @if(count($rd->args))
+            <p><strong>Argumente dieses Aufrufs:</strong></p>
+
+            @forelse($rd->args as $a)
+                <div><span class="code">{{$a}}</span></div>
+            @empty
+                <p>Keine weiteren Argumente im Request</p>
+            @endforelse
+        @endif
+        @if(count($rd->query))
+            <p><strong>Daten aus der Query dieses Aufrufs:</strong></p>
+            <pre><code class="language-php">
+            @forelse($rd->query as $k => $v)
+               $rd->query['{{$k}}']={{$v}}
+            @empty
+                <p>Keine Querydaten</p>
+            @endforelse
+            </code></pre>
+        @endif
+        <h2>Blade</h2>
+        <p>Blade <a href="https://github.com/EFTEC/BladeOne#install-pick-one-of-the-next-one">muss installiert</a> sein.
+            Die Installation ist bereits geschehen und die Bibliothek liegt unter /vendor.
+        </p>
+        <h3>Daten übergeben und View rendern</h3>
+        <p>Bei der Verwendung der View-Engine gelten einige Konventionen:
+            Die Dateien müssen <code class="language-php">&lt;viewname&gt;.blade.php</code> heißen und im Ordner <code class="language-php">views</code> liegen.
+        </p>
+        <p>Sie können der View dann Daten mitgeben, indem Sie alle Daten in ein Array schreiben und dieses dann
+            übergeben.</p>
+        <p>Beispiel:</p>
+        <pre><code class="language-php">
+ view("viewtest",
+    array(
+        "texts"=>$textArray,
+        "persona"=>$persona,
+        "rd"=>$rd
+    )); // öffnet ../views/viewtest.blade.php
+            </code></pre>
+    </div>
+@endsection
+
+@section("cssextra")
+    <style>
+        body > div {background-color: {{ '#' . $bgcolor }}; }
+    </style>
+@endsection
+
+@section("jsextra")
+    <script src="/js/highlight.min.js"></script><script>hljs.highlightAll();</script>
+@endsection
--- a/M4/emensa/views/demo/requestdata.blade.php
+++ b/M4/emensa/views/demo/requestdata.blade.php
@@ -0,0 +1,24 @@
+<h1>RequestData</h1>
+
+@if(count($rd->getData()))
+    <p>combined request data</p>
+    <pre>
+        {{print_r($rd->getData(),1)}}
+    </pre>
+@else
+    <p>this request contained zero parameters</p>
+@endif
+
+@if(count($rd->getGetData()))
+<p><code>GET</code> request data</p>
+<pre>
+    {{print_r($rd->getGetData(),1)}}
+</pre>
+@endif
+
+@if(count($rd->getPostData()))
+    <p><code>POST</code> request data</p>
+    <pre>
+        {{print_r($rd->getPostData(),1)}}
+    </pre>
+@endif
--- a/M4/emensa/views/examples/m4_7a_queryparameter.blade.php
+++ b/M4/emensa/views/examples/m4_7a_queryparameter.blade.php
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <title>7a</title>
+</head>
+<body>
+
+Der Wert von name lautet: {{$request}}
+
+
+</body>
+</html>
--- a/M4/emensa/views/examples/m4_7b_kategorie.blade.php
+++ b/M4/emensa/views/examples/m4_7b_kategorie.blade.php
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <title>Beispiel: Daten aus der Datenbank</title>
+
+    <style>
+    h1 {
+    font-weight: 300;
+    }
+    </style>
+</head>
+<body>
+
+@if (isset($data['error']))
+    <h1>Es gab ein Problem mit der Datenbankverbindung</h1>
+    <p>Fehlermeldung</p>
+    <pre> {{$data['beschreibung']}}</pre>
+
+@else
+    <?php
+$zweites = false; ?>
+
+    <article>
+        <h1>Daten aus der Datenbank der Tabelle: Kategorien</h1>
+
+        <ul>
+            @forelse($data as $a)
+                @if($zweites) <h1><li>{{$a['name']}}</li></h1> <?php $zweites = false; ?>
+                    @else
+                    <li>{{$a['name']}}</li> <?php $zweites = true; ?>
+                @endif
+            @empty
+                <li>Keine Daten vorhanden.</li>
+            @endforelse
+        </ul>
+    </article>
+@endif
+
+</body>
+</html>
--- a/M4/emensa/views/examples/m4_7c_gerichte.blade.php
+++ b/M4/emensa/views/examples/m4_7c_gerichte.blade.php
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <title>Beispiel: Daten aus der Datenbank</title>
+
+</head>
+<body>
+
+@if (isset($data['error']))
+    <h1>Es gab ein Problem mit der Datenbankverbindung</h1>
+    <p>Fehlermeldung</p>
+    <pre> {{$data['beschreibung']}}</pre>
+
+@else
+
+    <article>
+        <h1>Daten aus der Datenbank der Tabelle: Kategorien</h1>
+
+        <ul>
+            @forelse($data as $a)
+                @if(!empty($a['name']))
+                <li>{{$a['name']}}</li>
+                    @endif
+
+            @empty
+                <li>Es sind keine Gerichte vorhanden</li>
+            @endforelse
+        </ul>
+    </article>
+@endif
+
+</body>
+</html>
--- a/M4/emensa/views/examples/pages/m4_7d_page_1.blade.php
+++ b/M4/emensa/views/examples/pages/m4_7d_page_1.blade.php
@@ -0,0 +1,13 @@
+@extends(".layouts.m4_7d_layout",['title' => "Page 1"])
+
+@section("header")
+
+@endsection
+
+@section("body")
+<p>Page 1</p>
+@endsection
+
+@section("footer")
+<p>Footer of Page 1</p>
+@endsection
--- a/Show More
+++ b/Show More
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Robert	070945c4a5	Aufgabe 7	2023-12-08 17:21:01 +01:00
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S170H	b8d937d110	M4 A1 1,2	2023-12-01 17:49:13 +01:00
S170H	9c61333473	M3 kleinere Anpassungen während Abgabe	2023-11-29 18:41:06 +01:00
				`@@ -0,0 +1 @@`
				[{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"},{"name":"Ro","email":"robert-joel@web.de","language":"deutsch","terms":"on"},{"name":"Robert","email":"robert-joel@web.de","language":"deutsch","terms":"on"},{"name":"Max","email":"max@gmail.com","language":"deutsch","terms":"on"}]