3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("1", 2, 5, "a", "43"); sort($a); var_dump($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(5) { [0]=> string(1) "1" [1]=> int(2) [2]=> int(5) [3]=> string(2) "43" [4]=> string(1) "a" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(5) { [0]=> string(1) "1" [1]=> string(1) "a" [2]=> int(2) [3]=> int(5) [4]=> string(2) "43" }

preferences:
230.08 ms | 405 KiB | 341 Q