3v4l.org

run code in 500+ PHP versions simultaneously
<?php $var = 'YYYY'; echo strlen($var);
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
4
preferences:
40.43 ms | 698 KiB | 4 Q