Extend width EAN-8 Method

I need in this code: [login to view URL] The following two new methods: width new methods: <?php require('[login to view URL]'); $pdf=new PDF_EAN13(); $pdf->AddPage(); // New method // This method will produce an EAN8 barcode $pdf->EAN8(80, 40, '42295846') $pdf->EAN13(80, 40, '123456789012'); $pdf->Output(); ?>