3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strspn('adobe', 'a..e'); echo "\n---\n"; echo strspn('adobe', 'abcde');
Output for 4.4.0, 5.6.36, 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
1 --- 2
preferences:
143.38 ms | 403 KiB | 125 Q