3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('ei', 'kip'); sort($arr); echo "<pre>".print_r($arr,true)."</pre>";
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.26, 8.0.0 - 8.0.13, 8.1rc1 - rc3
<pre>Array ( [0] => ei [1] => kip ) </pre>

preferences:
43.39 ms | 533 KiB | 14 Q