3v4l.org

run code in 500+ PHP versions simultaneously
<?php $s = 'hello'; var_dump($s[0]);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
string(1) "h"
preferences:
36.92 ms | 1009 KiB | 4 Q