3v4l.org

run code in 300+ PHP versions simultaneously
<?php $units = ['5', '10', '5', '3A', '5', '5']; $unique = array_unique($units, SORT_REGULAR); print_r($unique); $unique = array_unique($units, SORT_STRING); print_r($unique);
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [0] => 5 [1] => 10 [3] => 3A [4] => 5 ) Array ( [0] => 5 [1] => 10 [3] => 3A )
preferences:
49.02 ms | 406 KiB | 5 Q