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<?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));
Output for 8.4.14
Array ( [0] => 1 [1] => a [3] => INV-123 [4] => 123 [5] => 1+123 [7] => ) Array ( [0] => 1 [1] => a [2] => +1 [3] => INV-123 [4] => 123 [5] => 1+123 [7] => ) Array ( [0] => 100 [2] => 25 [3] => 15p100 [4] => 25 ) Array ( [0] => 100 [2] => 25 [3] => 15p100 )
preferences:
164.58 ms | 1003 KiB | 18 Q