--TEST-- mcrypt_module_open --SKIPIF-- <?php if (!extension_loaded("mcrypt")) print "skip"; ?> --FILE-- <?php var_dump(mcrypt_module_open(MCRYPT_RIJNDAEL_256, '', MCRYPT_MODE_CBC, '')); mcrypt_module_open('', '', '', ''); --EXPECTF-- resource(%d) of type (mcrypt) Warning: mcrypt_module_open(): Could not open encryption module in %s on line %d