1--TEST--
2Test that the mixed return type is compatible with any kind of return value in weak mode
3--FILE--
4<?php
5
6function foo($a): mixed
7{
8 return $a;
9}
10
11foo(null);
12foo(false);
13foo(1);
14foo("");
15foo([]);
16foo(new stdClass());
17
18?>
19--EXPECT--
20
