Online PHP editor | refs for U1vQb

<?php $merchantId = '01J3J188BY9JCG1EZBBKCYQCKT-01J3J1RFHBBMKT59JMCE2SK6CS'; $transactionID = 'TR-5TUF-TST19X'; $transactionAmount = '621.33'; $crc = 'test_tpay'; $merchantSecret = '3e5ce0719a1b641f7dd1c3a89c119d113b9066547eac765791e3d337a6e9fe3a'; $md5 = md5($merchantId.$transactionID.$transactionAmount.$crc.$merchantSecret); echo $md5;