3v4l.org

run code in 500+ PHP versions simultaneously
<?php $data = [['a']]; array_map(reset(...), $data);
Output for 8.2.31 - 8.2.32, 8.3.5 - 8.3.32, 8.4.9 - 8.4.23, 8.5.3 - 8.5.8
Warning: reset(): Argument #1 ($array) must be passed by reference, value given in /in/T4rPe on line 4
preferences:
54.53 ms | 548 KiB | 4 Q