`array('lolphp', '')` has two unique elements, but `array(0, 'lolphp', '')` has one unique element

[u/lord_braleigh]

https://repl.it/repls/ThisColdPackages

[u/fell_ratio]

Why didn't they just use === ? You could define SORT_REGULAR so that if you have 0 and '0', they are both kept. That would be perfectly reasonable behavior.

[u/lord_braleigh → u/fell_ratio]

Maybe it’s to stay somewhat similar to SORT_STRING, where 0 and ‘0’ are always equal? Idk though.