3v4l.org

run code in 300+ PHP versions simultaneously
<?php $paramList = array(); $paramList['Shop_IDP'] = '1111111'; $paramList['Order_IDP'] = 125; $paramList['Subtotal_P'] = sprintf('%.2f', (float)235.69); $paramList['Parent_Order_IDP'] = 125; $signaturePart = implode('&', array_map(md5, $paramList)); echo $signaturePart;

preferences:
55.64 ms | 403 KiB | 5 Q