xref: /PHP-7.2/tests/lang/bug22231.phpt (revision 4d3e4d3b)
1--TEST--
2Bug #22231 (segfault when returning a global variable by reference)
3--INI--
4error_reporting=E_ALL
5--FILE--
6<?php
7class foo {
8    public $fubar = 'fubar';
9}
10
11function &foo(){
12    $obj = new foo();
13    $GLOBALS['foo'] = &$obj;
14    return $GLOBALS['foo'];
15}
16$bar = &foo();
17var_dump($bar);
18var_dump($bar->fubar);
19unset($bar);
20$bar = &foo();
21var_dump($bar->fubar);
22
23$foo = &foo();
24var_dump($foo);
25var_dump($foo->fubar);
26unset($foo);
27$foo = &foo();
28var_dump($foo->fubar);
29?>
30--EXPECTF--
31object(foo)#%d (1) {
32  ["fubar"]=>
33  string(5) "fubar"
34}
35string(5) "fubar"
36string(5) "fubar"
37object(foo)#%d (1) {
38  ["fubar"]=>
39  string(5) "fubar"
40}
41string(5) "fubar"
42string(5) "fubar"
43