3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1, 2, 3, 4, 5, 6, 7, 8, 9]; var_export( array_map( fn() => $array[array_rand($array)], range(1, 8) ) );
Output for git.master
array ( 0 => 6, 1 => 1, 2 => 3, 3 => 5, 4 => 2, 5 => 3, 6 => 1, 7 => 3, )
Output for git.master_jit
array ( 0 => 6, 1 => 6, 2 => 4, 3 => 7, 4 => 5, 5 => 4, 6 => 4, 7 => 2, )

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