3v4l.org

run code in 300+ PHP versions simultaneously
<?php function compare($a, $b) { $order = array('ACO', 'ZCO', 'Other'); $ai = array_search($a, $order); $bi = array_search($b, $order); return $a<$b ? -1 : $a>$b; } $a = array('ZCO'=>1, 'Other'=>1, 'ACO'=>1); uksort($a, "compare"); print_r($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: uksort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/vYg4r on line 12 Array ( [ACO] => 1 [Other] => 1 [ZCO] => 1 )
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 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Array ( [ACO] => 1 [Other] => 1 [ZCO] => 1 )
preferences:
197.5 ms | 405 KiB | 354 Q