3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = array( 'one' => 1, 'two' => 2, 'three' => 3 ); $a2 = $a1; $a3 = $a1; sort($a1); var_dump($a1); ksort($a2); var_dump($a2); asort($a3); var_dump($a3);
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) { ["one"]=> int(1) ["three"]=> int(3) ["two"]=> int(2) } array(3) { ["one"]=> int(1) ["two"]=> int(2) ["three"]=> int(3) }

preferences:
293.2 ms | 406 KiB | 460 Q