protected function _append($file, $data, $create = false, $customFlags = 0)
    {
        return $this->_file_put_contents(
            $file,
            $data,
            self::FILE_APPEND | $customFlags
        );
    }
protected function _append($file, $data, $create = false, $customFlags = 0)
    {
        return $this->_file_put_contents(
            $file,
            $data,
            self::FILE_APPEND | $customFlags
        );
    }
protected function _append ( $ file , $ data , $ create = false , $ customFlags = 0 ) { return $ this -> _file_put_contents ( $ file , $ data , self :: FILE_APPEND | $ customFlags ) ; }
Appends content to a file under consideration of virtual-fs

This method is intend to append content to a file under consideration of virtual-fs.
The method is the duplicate to the public method append() but without all the checks needed by public methods.

@param string  $file        The file to write to
@param string  $data        The content to write
@param bool $create      TRUE to create file if it not exists, otherwise FALSE to do not
@param int $customFlags Custom flags as integer

@author Benjamin Carl <opensource@clickalicious.de>
@return mixed INTEGER bytes written on success, otherwise FALSE on error
@access protected
Appends content to a file under consideration of virtual - fs