1--TEST--
2Argument unpacking does not work with string keys (forward compatibility for named args)
3--FILE--
4<?php
5
6set_error_handler(function($errno, $errstr) {
7    var_dump($errstr);
8});
9
10var_dump(...[1, 2, "foo" => 3, 4]);
11var_dump(...new ArrayIterator([1, 2, "foo" => 3, 4]));
12
13?>
14--EXPECTF--
15string(36) "Cannot unpack array with string keys"
16int(1)
17int(2)
18string(42) "Cannot unpack Traversable with string keys"
19int(1)
20int(2)
21