3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(md5("a")); var_dump(md5("b")); var_dump(md5('a') == md5("b")); var_dump(md5('a') === md5("b")); var_dump(md5("a") == md5('b')); var_dump(md5("a") === md5('b'));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(32) "0cc175b9c0f1b6a831c399e269772661" string(32) "92eb5ffee6ae2fec3ad71c777531578f" bool(false) bool(false) bool(false) bool(false)

preferences:
317.03 ms | 406 KiB | 455 Q