3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ "php4", "php12", "php1", "php123", ]; sort($arr); var_dump($arr); natsort($arr); var_dump($arr);
Output for 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 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1 - 8.4.2
array(4) { [0]=> string(4) "php1" [1]=> string(5) "php12" [2]=> string(6) "php123" [3]=> string(4) "php4" } array(4) { [0]=> string(4) "php1" [3]=> string(4) "php4" [1]=> string(5) "php12" [2]=> string(6) "php123" }

preferences:
82.69 ms | 408 KiB | 5 Q