3v4l.org

run code in 500+ PHP versions simultaneously
<?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); }
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
hunt{s0urc3_m4ps_d0nt_l13}

preferences:
52.59 ms | 706 KiB | 4 Q