1--TEST--
2Test with optimization of function calls
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.optimization_level=-1
7--SKIPIF--
8<?php require_once('skipif.inc'); ?>
9--FILE--
10<?php
11
12class A {
13    public $obj;
14    public function test($a) {
15    }
16}
17
18function a(&$b) {
19    $b = "changed";
20    return "done";
21}
22
23$a = "a";
24$b = "b";
25$c = "c";
26$f = "a";
27
28/*
29 * INIT_FCALL_BY_NAME
30 * SEND_VAR
31 * DO_FCALL
32 * DO_FCALL_BY_NAME
33 */
34foo(a($a));
35var_dump($a);
36$a = "a";
37
38/*
39 * INIT_FCALL_BY_NAME
40 *   INIT_FCALL_BY_NAME -- un-optimizable
41 *   DO_FCALL_BY_NAME   -- un-optimizable
42 * DO_FCALL_BY_NAME
43 */
44foo($f($a));
45var_dump($a);
46
47/*
48 * INIT_FCALL_BY_NAME
49 *   ZEND_NEW
50 *   DO_FCALL_BY_NAME
51 * DO_FCALL_BY_NAME
52 */
53foo(new A());
54
55/*
56 * INIT_FCALL_BY_NAME
57 * FETCH_OBJ_FUNC_ARG
58 * ZEND_SEND_VAR
59 * DO_FCALL_BY_NAME
60 */
61foo((new A)->obj);
62$obj = new A;
63ref($obj->obj);
64var_dump($obj->obj);
65
66ref(retarray()[0]);
67
68$a = "a";
69foo(a($a), $a, ref($b, $c), $obj);
70var_dump($a);
71var_dump($b);
72
73/*
74 * INIT_FCALL_BY_NAME
75 * SEND_VAL
76 * DO_FCALL_BY_NAME
77 */
78ref("xxx");
79
80function retarray() {
81    return array("retarray");
82}
83
84function foo($a) {
85    print_r(func_get_args());
86}
87
88function ref(&$b) {
89    $b = "changed";
90    return "ref";
91}
92?>
93--EXPECTF--
94Array
95(
96    [0] => done
97)
98string(7) "changed"
99Array
100(
101    [0] => done
102)
103string(7) "changed"
104Array
105(
106    [0] => A Object
107        (
108            [obj] =>
109        )
110
111)
112Array
113(
114    [0] =>
115)
116string(7) "changed"
117Array
118(
119    [0] => done
120    [1] => changed
121    [2] => ref
122    [3] => A Object
123        (
124            [obj] => changed
125        )
126
127)
128string(7) "changed"
129string(7) "changed"
130
131Fatal error: Uncaught Error: ref(): Argument #1 ($b) cannot be passed by reference in %soptimize_func_calls.php:%d
132Stack trace:
133#0 {main}
134  thrown in %soptimize_func_calls.php on line %d
135