<?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();