3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [1, 2, 3, 4, 5]; $array = array_map(fn($item) => -$item, $array); var_dump($array);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array(5) { [0]=> int(-1) [1]=> int(-2) [2]=> int(-3) [3]=> int(-4) [4]=> int(-5) }
preferences:
68.02 ms | 1132 KiB | 4 Q