1--TEST--
2Pass uninitialised objects and arrays by reference to test implicit initialisation.
3--FILE--
4<?php
5
6function refs(&$ref1, &$ref2, &$ref3, &$ref4, &$ref5) {
7  $ref1 = "Ref1 changed";
8  $ref2 = "Ref2 changed";
9  $ref3 = "Ref3 changed";
10  $ref4 = "Ref4 changed";
11  $ref5 = "Ref5 changed";
12}
13
14
15class C {
16
17	function __construct(&$ref1, &$ref2, &$ref3, &$ref4, &$ref5) {
18	  $ref1 = "Ref1 changed";
19	  $ref2 = "Ref2 changed";
20	  $ref3 = "Ref3 changed";
21	  $ref4 = "Ref4 changed";
22	  $ref5 = "Ref5 changed";
23	}
24
25	function refs(&$ref1, &$ref2, &$ref3, &$ref4, &$ref5) {
26	  $ref1 = "Ref1 changed";
27	  $ref2 = "Ref2 changed";
28	  $ref3 = "Ref3 changed";
29	  $ref4 = "Ref4 changed";
30	  $ref5 = "Ref5 changed";
31	}
32
33}
34
35echo "\n ---- Pass uninitialised array & object by ref: function call ---\n";
36unset($u1, $u2, $u3, $u4, $u5);
37refs($u1[0], $u2[0][1], $u3->a, $u4->a->b, $u5->a->b->c);
38var_dump($u1, $u2, $u3, $u4, $u5);
39
40echo "\n ---- Pass uninitialised arrays & objects by ref: static method call ---\n";
41unset($u1, $u2, $u3, $u4, $u5);
42C::refs($u1[0], $u2[0][1], $u3->a, $u4->a->b, $u5->a->b->c);
43var_dump($u1, $u2, $u3, $u4, $u5);
44
45echo "\n\n---- Pass uninitialised arrays & objects by ref: constructor ---\n";
46unset($u1, $u2, $u3, $u4, $u5);
47$c = new C($u1[0], $u2[0][1], $u3->a, $u4->a->b, $u5->a->b->c);
48var_dump($u1, $u2, $u3, $u4, $u5);
49
50echo "\n ---- Pass uninitialised arrays & objects by ref: instance method call ---\n";
51unset($u1, $u2, $u3, $u4, $u5);
52$c->refs($u1[0], $u2[0][1], $u3->a, $u4->a->b, $u5->a->b->c);
53var_dump($u1, $u2, $u3, $u4, $u5);
54
55?>
56--EXPECTF--
57
58 ---- Pass uninitialised array & object by ref: function call ---
59array(1) {
60  [0]=>
61  string(12) "Ref1 changed"
62}
63array(1) {
64  [0]=>
65  array(1) {
66    [1]=>
67    string(12) "Ref2 changed"
68  }
69}
70object(stdClass)#%d (1) {
71  ["a"]=>
72  string(12) "Ref3 changed"
73}
74object(stdClass)#%d (1) {
75  ["a"]=>
76  object(stdClass)#%d (1) {
77    ["b"]=>
78    string(12) "Ref4 changed"
79  }
80}
81object(stdClass)#%d (1) {
82  ["a"]=>
83  object(stdClass)#%d (1) {
84    ["b"]=>
85    object(stdClass)#%d (1) {
86      ["c"]=>
87      string(12) "Ref5 changed"
88    }
89  }
90}
91
92 ---- Pass uninitialised arrays & objects by ref: static method call ---
93
94Strict Standards: Non-static method C::refs() should not be called statically in %s on line 39
95array(1) {
96  [0]=>
97  string(12) "Ref1 changed"
98}
99array(1) {
100  [0]=>
101  array(1) {
102    [1]=>
103    string(12) "Ref2 changed"
104  }
105}
106object(stdClass)#%d (1) {
107  ["a"]=>
108  string(12) "Ref3 changed"
109}
110object(stdClass)#%d (1) {
111  ["a"]=>
112  object(stdClass)#%d (1) {
113    ["b"]=>
114    string(12) "Ref4 changed"
115  }
116}
117object(stdClass)#%d (1) {
118  ["a"]=>
119  object(stdClass)#%d (1) {
120    ["b"]=>
121    object(stdClass)#%d (1) {
122      ["c"]=>
123      string(12) "Ref5 changed"
124    }
125  }
126}
127
128
129---- Pass uninitialised arrays & objects by ref: constructor ---
130array(1) {
131  [0]=>
132  string(12) "Ref1 changed"
133}
134array(1) {
135  [0]=>
136  array(1) {
137    [1]=>
138    string(12) "Ref2 changed"
139  }
140}
141object(stdClass)#%d (1) {
142  ["a"]=>
143  string(12) "Ref3 changed"
144}
145object(stdClass)#%d (1) {
146  ["a"]=>
147  object(stdClass)#%d (1) {
148    ["b"]=>
149    string(12) "Ref4 changed"
150  }
151}
152object(stdClass)#%d (1) {
153  ["a"]=>
154  object(stdClass)#%d (1) {
155    ["b"]=>
156    object(stdClass)#%d (1) {
157      ["c"]=>
158      string(12) "Ref5 changed"
159    }
160  }
161}
162
163 ---- Pass uninitialised arrays & objects by ref: instance method call ---
164array(1) {
165  [0]=>
166  string(12) "Ref1 changed"
167}
168array(1) {
169  [0]=>
170  array(1) {
171    [1]=>
172    string(12) "Ref2 changed"
173  }
174}
175object(stdClass)#%d (1) {
176  ["a"]=>
177  string(12) "Ref3 changed"
178}
179object(stdClass)#%d (1) {
180  ["a"]=>
181  object(stdClass)#%d (1) {
182    ["b"]=>
183    string(12) "Ref4 changed"
184  }
185}
186object(stdClass)#%d (1) {
187  ["a"]=>
188  object(stdClass)#%d (1) {
189    ["b"]=>
190    object(stdClass)#%d (1) {
191      ["c"]=>
192      string(12) "Ref5 changed"
193    }
194  }
195}