Borrar folder y contenido

borrarfolder.php

<?php

  function deldir($dir){
    $current_dir = opendir($dir);
    while($entryname = readdir($current_dir)){
        if(is_dir("$dir/$entryname") and ($entryname != "." and $entryname!="..")){
            deldir("${dir}/${entryname}");
        }elseif($entryname != "." and $entryname!=".."){
            unlink("${dir}/${entryname}");
        }
    }
    closedir($current_dir);
    rmdir(${'dir'});
  }


?>