3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ "2" => "abc", "ab" => "abc12", "lkT" => 2, 45 => "test", "This" => "is this", false => "abc012", " " => 22.22, ]; print_r($array); arsort($array); print_r($array);
Output for 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 ( [2] => abc [ab] => abc12 [lkT] => 2 [45] => test [This] => is this [0] => abc012 [ ] => 22.22 ) Array ( [45] => test [This] => is this [ab] => abc12 [0] => abc012 [2] => abc [ ] => 22.22 [lkT] => 2 )
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
Array ( [2] => abc [ab] => abc12 [lkT] => 2 [45] => test [This] => is this [0] => abc012 [ ] => 22.22 ) Array ( [ ] => 22.22 [lkT] => 2 [45] => test [This] => is this [ab] => abc12 [0] => abc012 [2] => abc )

preferences:
80.82 ms | 408 KiB | 5 Q