Add List Functions working and changed image-URL

include/delete_unused.php

@@ -0,0 +1,32 @@
+<?php
+
+include_once('../config/config.php');
+$dir = new DirectoryIterator('../' . $imagedir);
+
+$conn = new mysqli($servername, $username, $password, $db);
+
+if ($conn->connect_error)
+    die('Connection failed: ' . $conn->connect_error);
+
+$sql = 'SELECT image FROM whishes';
+$result = $conn->query($sql);
+        
+    if ($result !== false && $result->num_rows > 0)
+    {
+        if ($rows = $result->fetch_all())
+        {
+            foreach ($dir as $fileinfo) {
+                if (!$fileinfo->isDot()) {
+                    $filename = $fileinfo->getFilename();
+            
+                    if (!in_array($filename, $rows))
+                    {
+                        $deletepath = '../' . $imagedir . '/' . $filename;
+                        unset($deletepath);
+                    }    
+                }
+            }
+        }
+    }
+
+$conn->close();