3v4l.org

run code in 500+ PHP versions simultaneously
<?php $data = [['a']]; array_map(reset(...), $data);
Output for 8.2.31 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Warning: reset(): Argument #1 ($array) must be passed by reference, value given in /in/T4rPe on line 4

preferences:
31.41 ms | 1136 KiB | 7 Q