3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strpbrk('stackoverflow', 'b..f'); echo "\n---\n"; echo strpbrk('stackoverflow', 'bcdef');
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
flow --- ckoverflow
preferences:
124.74 ms | 402 KiB | 123 Q