3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo hash_hmac('sha256', 'abcde', 'app\xx\zzz', false);
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
19f4feeb2ff2da8262409e871b8976942d6ea1a069e34524caaf1129e4180734
preferences:
46.51 ms | 703 KiB | 4 Q