protected function composeFields($id = null, $data = null)
    {
        $fields = $this->writeCallback ? call_user_func($this->writeCallback, $this) : [];
        if ($id !== null) {
            $fields['id'] = $id;
        }
        if ($data !== null) {
            $fields['data'] = $data;
        }
        return $fields;
    }
protected function composeFields($id = null, $data = null)
    {
        $fields = $this->writeCallback ? call_user_func($this->writeCallback, $this) : [];
        if ($id !== null) {
            $fields['id'] = $id;
        }
        if ($data !== null) {
            $fields['data'] = $data;
        }
        return $fields;
    }
protected function composeFields ( $ id = null , $ data = null ) { $ fields = $ this -> writeCallback ? call_user_func ( $ this -> writeCallback , $ this ) : [ ] ; if ( $ id !== null ) { $ fields [ 'id' ] = $ id ; } if ( $ data !== null ) { $ fields [ 'data' ] = $ data ; } return $ fields ; }
Composes storage field set for session writing.
@param string $id Optional session id
@param string $data Optional session data
@return array storage fields
Composes storage field set for session writing .