//make diretory
$working_directory = $url;
$old_umask = umask(0);

do {
   $dir = $working_directory;

   while (!@mkdir($dir,0777)) {
       $dir = dirname($dir);

       if ($dir == '/' || is_dir($dir))
           break;
   }
} while ($dir != $working_directory);
umask($old_umask);