The file proxy-request.php from the examples directory doesn't add the parameter PAYER_EXIST when it's set to "0" in the HPP JSON configuration. Documentation says that this parameter is [M]andatory so the PHP code should take care of mandatory parameters like this that might get the value "0".
The file
proxy-request.phpfrom the examples directory doesn't add the parameterPAYER_EXISTwhen it's set to "0" in the HPP JSON configuration. Documentation says that this parameter is [M]andatory so the PHP code should take care of mandatory parameters like this that might get the value "0".