2Checkout Return

gistfile1.php

<?php

    $hashSecretWord = 'tango';    //2Checkout Secret Word
    $hashSid = 1303908;    //2Checkout account number
    $hashTotal = '1.00';    //Sale total to validate against
    $hashOrder = $_REQUEST['order_number'];    //2Checkout Order Number
    $StringToHash = strtoupper(md5($hashSecretWord . $hashSid . $hashOrder . $hashTotal));
    if ($StringToHash != $_REQUEST['key']) {
        $result = "Fail - Hash Mismatch";
    } else {
        $result = "Success - Hash Matched";
    }
    
    echo $result;