Online PHP editor | refs for gI8cr

<?php $e = [0x2a, 0x37, 0x2c, 0x36, 0x39, 0x31, 0x72, 0x37, 0x30, 0x21, 0x71, 0x1d, 0x2f, 0x76, 0x32, 0x31, 0x1d, 0x26, 0x72, 0x2c, 0x36, 0x1d, 0x2e, 0x73, 0x71, 0x3f]; $key = 0x42; // Guessing the key is 66 ('B') based on the 'h' foreach ($e as $byte) { echo chr($byte ^ $key); }