3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo strcspn('cdplayer', 'b..e'); echo "\n---\n"; echo strcspn('cdplayer', 'bcde');
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
6 --- 0
preferences:
71.41 ms | 1277 KiB | 4 Q