if (strval(intval($dirname)) == strval($dirname)) {if (preg_match('/^([0-9]+)$/i', $dirname)) {$dirname .= get_rand_str(3,0,0);} else {$dirname .= get_rand_str(3,0,2);}}$dirname = preg_replace('/(\s)+/', '_', $dirname);if (!$this->dirname_unique($dirname, $id, $newDirnameArr)) {$nowDirname = $dirname.get_rand_str(3,0,2);return $this->get_dirname($typename, $nowDirname, $id, $newDirnameArr);}">