removeDups.php

// A very ugly PHP way of removing duplicates from an array with regard to strict equality
$users = (function(...$arrays) {
    $uniqueElements = [];
    foreach ($arrays as $array) {
        foreach ($array as $element) {
            $uniqueElements[spl_object_hash($element)] = $element;
        }
    }
    return array_values($uniqueElements);
})($array1, $array2);