3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'pippo', 'franco', 'marco' => 'polo', 'ciao' ); print_r($array); reset($array); ksort($array, SORT_NUMERIC); reset($array); print_r($array);
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 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => pippo [1] => franco [marco] => polo [2] => ciao ) Array ( [0] => pippo [marco] => polo [1] => franco [2] => ciao )

preferences:
288.52 ms | 406 KiB | 379 Q