<?php echo("OK!"); ?>
"{\"order_id\": \"FACTPRECHR152632\", \"amount\": \"8300.00\"}"
'{"order_id": "FACTPRECHR152632", "amount": "8300.00"}'
if ("{\"order_id\": \"FACTPRECHR152632\", \"amount\": \"8300.00\"}" != '{\"order_id\": \"FACTPRECHR152632\", \"amount\": \"8300.00\"}') die("ERROR!!!");