3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [ [1 => 'one', 2 => 'two', 3 => 'three'] ]; var_export(array_map(fn() => func_get_args(), ...$array)); echo "\n---\n"; var_export(array_map(null, ...$array));
Output for 7.4.0 - 7.4.33, 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 - 8.4.18, 8.5.0 - 8.5.3
array ( 1 => array ( 0 => 'one', ), 2 => array ( 0 => 'two', ), 3 => array ( 0 => 'three', ), ) --- array ( 1 => 'one', 2 => 'two', 3 => 'three', )
preferences:
82.3 ms | 1267 KiB | 4 Q