/**
* @param string $file
* @param bool $recursive
* @param string $type
* @return bool
*/
public function delete($file, $recursive = false, $type = false) {
if ( empty($file) )
return false;
if ( 'f' == $type || $this->is_file($file) )
return $this->ftp->delete($file);
if ( !$recursive )
return $this->ftp->rmdir($file);
return $this->ftp->mdel($file);
}