Empty return on callback

[maol3]

When I'm performing the payment request my browser prints "NULL" while I get the payment request in my Swish app.

However when the payment is done, Swish returns an empty _POST-array in the callback. I've logged it to database and this is what it returns: https://gyazo.com/ed84a84205992626295d514028791fad

What could be the issue? Thanks in advance!

[maol3]

Just to make it clear, I've logged serialize($_POST) to the payment_reference column. It's completely empty.

[helmutschneider]

I'm fairly certain swish posts the callback data in JSON. You'll have to decode it manually:

$data = file_get_contents('php://input');
$decoded = json_decode($data, $assoc = true);

// do something with the json array
var_dump($decoded);