static function StampPDFPages($pdf_file, $img_file) { $p = new self(); $count = $p->setSourceFile($pdf_file); for ($i = 1; $i <= $count; $i++) { $p->addPage(); $tpl = $p->importPage($i); $p->useTemplate($tpl); $p->Image($img_file, 0, 0); } return $p; }