diff --git a/M2/Beispiele/m2_5c_addform.php b/M2/Beispiele/m2_5c_addform.php
index 214463e..8ee4a30 100644
--- a/M2/Beispiele/m2_5c_addform.php
+++ b/M2/Beispiele/m2_5c_addform.php
@@ -4,6 +4,19 @@
  * Şafak, Hazinedar, 3108590
  * Robert, Joel, 3672729
  */
+if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+    if ($_POST['rechnen'] == 'Addieren') {
+
+        $number1 = $_POST['number1'];
+        $number2 = $_POST['number2'];
+        $ergebnis = $number1 + $number2;
+
+    } elseif ($_POST['rechnen'] == "Multiplizieren") {
+        $number1 = $_POST['number1'];
+        $number2 = $_POST['number2'];
+        $ergebnis = $number1 * $number2;
+    }
+}
 ?>
 
 <!DOCTYPE html>
@@ -21,9 +34,20 @@
     </style>
 </head>
 <body>
-<label for="Zahl1">Erste Zahl:</label>
-<input id="Zahl1" type="text" name="Zahl1">
-<label for="Zahl2">Zweite Zahl:</label>
-<input id="Zahl2" type="text" name="Zahl2">
+    <form action="m2_5c_addform.php" method="post">
+    <label for="number1">Erste Zahl:</label>
+    <input id="number1" type="text" name="number1"/>
+    <label for="number2">Zweite Zahl:</label>
+    <input id="number2" type="text" name="number2"/>
+
+    <input type="Submit" name="rechnen" value="Addieren" />
+        <input type="Submit" name="rechnen" value="Multiplizieren" />
+
+    <?php
+    if(!empty($ergebnis))
+    {
+        echo "<br><br>Ergebnis: ".$ergebnis;
+    }
+    ?>
 </body>
 </html>
diff --git a/M2/Beispiele/m2_5d_array.php b/M2/Beispiele/m2_5d_array.php
new file mode 100644
index 0000000..93a0049
--- /dev/null
+++ b/M2/Beispiele/m2_5d_array.php
@@ -0,0 +1,67 @@
+<?php
+/**
+ * Praktikum DBWT. Autoren:
+ * Şafak, Hazinedar, 3108590
+ * Robert, Joel, 3672729
+ */
+
+function missingYear($famousMeals){
+    $years = [];
+    $winneryears = [];
+    $ergebniss = [];
+    for ($i = 0;$i <= 23; $i++){
+        $years[] = 2000+$i;
+    }
+
+    foreach ($famousMeals as $meal){
+        if(gettype($meal["winner"])== "array"){
+            foreach ($meal["winner"]as $year){
+                $winneryears[] = $year;
+            }
+        }else{
+            $winneryears[] = $year;
+        }
+    }
+
+    foreach ($years as $year){
+        $a=0;
+        foreach ($winneryears as $winners){
+            if ($year == $winners){
+                $a = 1;
+                break;
+            }
+        }
+        if($a==0){
+            $ergebniss[]=$year;
+        }
+    }
+    echo var_dump($ergebniss);
+}
+
+$famousMeals = [
+    1 => ['name' => 'Currywurst mit Pommes',
+        'winner' => [2001, 2003, 2007, 2010, 2020]],
+    2 => ['name' => 'Hähnchencrossies mit Paprikareis',
+        'winner' => [2002, 2004, 2008]],
+    3 => ['name' => 'Spaghetti Bolognese',
+        'winner' => [2011, 2012, 2017]],
+    4 => ['name' => 'Jägerschnitzel mit Pommes',
+        'winner' => 2019]
+];
+    echo "<ol>";
+    foreach ($famousMeals as $meal){
+        echo "<li>". $meal['name']."<br>";
+        if(gettype($meal["winner"])== "array"){
+            foreach ($meal["winner"]as $year){
+                $dump[] = $year;
+            }
+        }else{
+            $dump[] = $year;
+        }
+        echo implode( ', ', $dump);
+        $dump = null;
+        echo "</li><br>";
+    }
+    echo "</ol>";
+    missingYear($famousMeals);
+?>
\ No newline at end of file
