public static function render($file, $html) { //generate some PDFs! $dompdf = new DOMPDF(); //if you use namespaces you may use new \DOMPDF() $dompdf->load_html($html); $dompdf->setPaper('A5', 'landscape'); $dompdf->render(); $dompdf->stream($file . ".pdf", array("Attachment" => 0)); }