<?php $array = [1, 'a', '+1', 'INV-123','123', '1+123','123', null]; $array2 = ["100","100","25","15p100","25","25"]; print_r(array_unique($array, SORT_REGULAR)); print_r(array_unique($array, SORT_STRING)); print_r(array_unique($array2, SORT_REGULAR)); print_r(array_unique($array2, SORT_STRING));
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Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).