3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'bar' => 10, 3, 3, 'foo' => 34, 56, 12 ]; $zeros = array_map(fn() => 0, $array); var_export($zeros);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array ( 'bar' => 0, 0 => 0, 1 => 0, 'foo' => 0, 2 => 0, 3 => 0, )
preferences:
95.45 ms | 402 KiB | 123 Q