<?php


    $notifyURL = 'http://lifesurfers.pl/itn';
    $returnUrlSuccess = 'http://lifesurfers.pl/platnosc-ok';

    $data = array(
        'shopId' => intval(1),
        'price' => floatval(5),
        'control' => 1234,
        'notifyURL' => $notifyURL,
        'returnUrlSuccess' => $returnUrlSuccess,
        'signature' => hash('sha256', "TUTAJ_WKLEIC_HASH|1|5|1234|{$notifyURL}|{$returnUrlSuccess}")
    );

    $data_string = json_encode($data);

    $ch = curl_init('https://secure.pbl.pl/api/v1/transfer/generate');
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'Content-Type: application/json',
        'Content-Length: ' . strlen($data_string))
    );

    $result = curl_exec($ch);
    $result = json_decode($result);
    header('Location: https://secure.pbl.pl/transfer/' . $result->transactionId);