src/View/CsvView.php
protected function _renderRow($row = null)
    {
        static $csv = '';

        if ($this->_resetStaticVariables) {
            $csv = '';
            $this->_resetStaticVariables = false;

            return null;
        }

        $csv .= (string)$this->_generateRow($row);

        return $csv;
    }
protected function _renderRow($row = null)
    {
        static $csv = '';

        if ($this->_resetStaticVariables) {
            $csv = '';
            $this->_resetStaticVariables = false;

            return null;
        }

        $csv .= (string)$this->_generateRow($row);

        return $csv;
    }
protected function _renderRow ( $ row = null ) { static $ csv = '' ; if ( $ this -> _resetStaticVariables ) { $ csv = '' ; $ this -> _resetStaticVariables = false ; return null ; } $ csv .= ( string ) $ this -> _generateRow ( $ row ) ; return $ csv ; }
Aggregates the rows into a single csv

@param array|null $row Row data

@return null|string CSV with all data to date
Aggregates the rows into a single csv