3v4l.org

run code in 300+ PHP versions simultaneously
<?php $board = [ ['a', 'b', 'c'], ['d', 'e', 'f'], ['g', 'h', 'i'], ]; var_export(array_map(null, ...$board));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => array ( 0 => 'a', 1 => 'd', 2 => 'g', ), 1 => array ( 0 => 'b', 1 => 'e', 2 => 'h', ), 2 => array ( 0 => 'c', 1 => 'f', 2 => 'i', ), )
preferences:
83.61 ms | 407 KiB | 5 Q