3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [ [30, 5, 6, 7, 8, 9, 2, 5], [50, 4, 8, 4, 4, 6, 9, 2] ]; var_export( array_map(fn(...$col) => array_sum($col), ...$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 ( 0 => 80, 1 => 9, 2 => 14, 3 => 11, 4 => 12, 5 => 15, 6 => 11, 7 => 7, )
preferences:
92.7 ms | 1132 KiB | 4 Q