1--TEST--
2array_udiff():Test return type and value for expected input
3--FILE--
4<?php
5/*
6* Function is implemented in ext/standard/array.c
7*/
8class cr {
9    private $priv_member;
10    function __construct($val) {
11        $this->priv_member = $val;
12    }
13    static function comp_func_cr($a, $b) {
14        if ($a->priv_member === $b->priv_member) return 0;
15        return ($a->priv_member > $b->priv_member) ? 1 : -1;
16    }
17}
18$a = array("0.1" => new cr(9), "0.5" => new cr(12), 0 => new cr(23), 1 => new cr(4), 2 => new cr(-15),);
19$b = array("0.2" => new cr(9), "0.5" => new cr(22), 0 => new cr(3), 1 => new cr(4), 2 => new cr(-15),);
20$result = array_udiff($a, $b, array("cr", "comp_func_cr"));
21var_dump($result);
22?>
23--EXPECTF--
24array(2) {
25  ["0.5"]=>
26  object(cr)#%d (1) {
27    ["priv_member":"cr":private]=>
28    int(12)
29  }
30  [0]=>
31  object(cr)#%d (1) {
32    ["priv_member":"cr":private]=>
33    int(23)
34  }
35}
36