1--TEST--
2Returning a reference from a static method
3--FILE--
4<?php
5Class C {
6	static function returnConstantByValue() {
7		return 100;
8	}
9
10	static function &returnConstantByRef() {
11		return 100;
12	}
13
14	static function &returnVariableByRef() {
15		return $GLOBALS['a'];
16	}
17}
18
19echo "\n---> 1. Trying to assign by reference the return value of a function that returns by value:\n";
20unset($a, $b);
21$a = 4;
22$b = &C::returnConstantByValue();
23$a++;
24var_dump($a, $b);
25
26echo "\n---> 2. Trying to assign by reference the return value of a function that returns a constant by ref:\n";
27unset($a, $b);
28$a = 4;
29$b = &C::returnConstantByRef();
30$a++;
31var_dump($a, $b);
32
33echo "\n---> 3. Trying to assign by reference the return value of a function that returns by ref:\n";
34unset($a, $b);
35$a = 4;
36$b = &C::returnVariableByRef();
37$a++;
38var_dump($a, $b);
39
40?>
41--EXPECTF--
42
43---> 1. Trying to assign by reference the return value of a function that returns by value:
44
45Notice: Only variables should be assigned by reference in %s on line 19
46int(5)
47int(100)
48
49---> 2. Trying to assign by reference the return value of a function that returns a constant by ref:
50
51Notice: Only variable references should be returned by reference in %s on line 8
52int(5)
53int(100)
54
55---> 3. Trying to assign by reference the return value of a function that returns by ref:
56int(5)
57int(5)
58