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run code in 300+ PHP versions simultaneously
<?php $array = ["600" => 0, "aaa" => 1]; ksort($array, SORT_REGULAR); var_dump($array); var_dump(array_key_first($array) <=> array_key_last($array));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [600]=> int(0) ["aaa"]=> int(1) } int(-1)
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28
array(2) { ["aaa"]=> int(1) [600]=> int(0) } int(1)
Output for 7.4.0 - 7.4.33
array(2) { ["aaa"]=> int(1) [600]=> int(0) } int(-1)
preferences:
106.69 ms | 401 KiB | 121 Q