/** * Changes file owner * * @access public * * @param string $file Path to the file. * @param mixed $owner A user name or number. * @param bool $recursive Optional. If set True changes file owner recursively. * Default false. * @return bool Returns true on success or false on failure. */ public function chown($file, $owner, $recursive = false) { if ($this->authorized()) { return parent::chown($file, $owner, $recursive); } else { return false; } }