Fatal error: Uncaught exception 'PDFlibException' with message 'pdf_open_file() expects exactly 2 parameters, 1 given' in /home/chentolos/firmas.php:3 Stack trace: #0 /home/chentolos/firmas.php(3): pdf_open_file(Resource id #2) #1 {main} thrown in /home/chentolos/firmas.php on line 3