Unnamed

<?phpfunction getMissing($test, $shouldBe) {    $missing = array();    foreach ($shouldBe as $item) {        if (!in_array($item, $test)) {            $missing[] = $item;        }    }    return $missing;}$shouldBe = array(1,2,3,4,5,6);//what it should be$test = array(1,2,3);//what it is$missing = getMissing($test, $shouldBe);//the missing?>