3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = array( '01' => 'Z', '02' => 'A', '03' => 'B', '04' => 'C', '05' => 'Y' ); echo "Before sorting:\n"; print_r($list); asort($list); echo "\nAfter sorting:\n"; print_r($list);
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, 7.2.0 - 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
Before sorting: Array ( [01] => Z [02] => A [03] => B [04] => C [05] => Y ) After sorting: Array ( [02] => A [03] => B [04] => C [05] => Y [01] => Z )

preferences:
288.22 ms | 406 KiB | 358 Q