3v4l.org

run code in 300+ PHP versions simultaneously
<?php function s1(int $val) { return (string)$val; } function s2(int $val) { return strval($val); }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
preferences:
41.12 ms | 406 KiB | 5 Q