"php" vis mapper i mappe

PHP kode 

 <?php
 $files = scandir('gallery/photos/');
 sort($files);
 
 foreach($files as $file) {
    $thelist = '<option>'.$file.'</option>';
 }
 ?>

HTML kode 

 <form action="http://tl-web.dk/portfolio/upload.php" method="post" enctype="multipart/form-data">
             <p>Upload et billede</p>
             <label for="file">Vælg fil
             <span class="small">Vælg et billede fra din pc</span>
             </label>
             <input id="file" type="file" name="file" size="32" />
             
             <label for="folder">Vælg mappe
             <span class="small">Vælg mappe at uploade til</span>
             </label>
             <select id="folder" name="folder">
             <?php echo $thelist; ?>
             </select>
             <div class="spacer"></div>
             
             <input class="button" type="submit" name="upload" value="upload" />
     </form>