3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [ 3 => 15, 7 => 17, ]; $bar = function(int ...$baz) { var_dump($baz); }; var_dump($foo); $bar(...$foo);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
array(2) { [3]=> int(15) [7]=> int(17) } array(2) { [0]=> int(15) [1]=> int(17) }
preferences:
151.29 ms | 408 KiB | 5 Q