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1.1 misho 1: --TEST--
2: serialization: arrays with references to the containing array
3: --FILE--
4: <?php
5: /* Prototype : proto string serialize(mixed variable)
6: * Description: Returns a string representation of variable (which can later be unserialized)
7: * Source code: ext/standard/var.c
8: * Alias to functions:
9: */
10: /* Prototype : proto mixed unserialize(string variable_representation)
11: * Description: Takes a string representation of variable and recreates it
12: * Source code: ext/standard/var.c
13: * Alias to functions:
14: */
15:
16: function check(&$a) {
17: var_dump($a);
18: $ser = serialize($a);
19: var_dump($ser);
20:
21: $b = unserialize($ser);
22: var_dump($b);
23: $b[0] = "b0.changed";
24: var_dump($b);
25: $b[1] = "b1.changed";
26: var_dump($b);
27: $b[2] = "b2.changed";
28: var_dump($b);
29: }
30:
31: echo "\n\n--- 1 refs container:\n";
32: $a = array();
33: $a[0] = &$a;
34: $a[1] = 1;
35: $a[2] = 1;
36: check($a);
37:
38: echo "\n\n--- 1,2 ref container:\n";
39: $a = array();
40: $a[0] = &$a;
41: $a[1] = &$a;
42: $a[2] = 1;
43: check($a);
44:
45: echo "\n\n--- 1,2,3 ref container:\n";
46: $a = array();
47: $a[0] = &$a;
48: $a[1] = &$a;
49: $a[2] = &$a;
50: check($a);
51:
52: echo "Done";
53: ?>
54: --EXPECTF--
55: --- 1 refs container:
56: array(3) {
57: [0]=>
58: &array(3) {
59: [0]=>
60: *RECURSION*
61: [1]=>
62: int(1)
63: [2]=>
64: int(1)
65: }
66: [1]=>
67: int(1)
68: [2]=>
69: int(1)
70: }
71: string(56) "a:3:{i:0;a:3:{i:0;R:2;i:1;i:1;i:2;i:1;}i:1;i:1;i:2;i:1;}"
72: array(3) {
73: [0]=>
74: &array(3) {
75: [0]=>
76: *RECURSION*
77: [1]=>
78: int(1)
79: [2]=>
80: int(1)
81: }
82: [1]=>
83: int(1)
84: [2]=>
85: int(1)
86: }
87: array(3) {
88: [0]=>
89: string(10) "b0.changed"
90: [1]=>
91: int(1)
92: [2]=>
93: int(1)
94: }
95: array(3) {
96: [0]=>
97: string(10) "b0.changed"
98: [1]=>
99: string(10) "b1.changed"
100: [2]=>
101: int(1)
102: }
103: array(3) {
104: [0]=>
105: string(10) "b0.changed"
106: [1]=>
107: string(10) "b1.changed"
108: [2]=>
109: string(10) "b2.changed"
110: }
111:
112:
113: --- 1,2 ref container:
114: array(3) {
115: [0]=>
116: &array(3) {
117: [0]=>
118: *RECURSION*
119: [1]=>
120: *RECURSION*
121: [2]=>
122: int(1)
123: }
124: [1]=>
125: &array(3) {
126: [0]=>
127: *RECURSION*
128: [1]=>
129: *RECURSION*
130: [2]=>
131: int(1)
132: }
133: [2]=>
134: int(1)
135: }
136: string(56) "a:3:{i:0;a:3:{i:0;R:2;i:1;R:2;i:2;i:1;}i:1;R:2;i:2;i:1;}"
137: array(3) {
138: [0]=>
139: &array(3) {
140: [0]=>
141: *RECURSION*
142: [1]=>
143: *RECURSION*
144: [2]=>
145: int(1)
146: }
147: [1]=>
148: &array(3) {
149: [0]=>
150: *RECURSION*
151: [1]=>
152: *RECURSION*
153: [2]=>
154: int(1)
155: }
156: [2]=>
157: int(1)
158: }
159: array(3) {
160: [0]=>
161: &string(10) "b0.changed"
162: [1]=>
163: &string(10) "b0.changed"
164: [2]=>
165: int(1)
166: }
167: array(3) {
168: [0]=>
169: &string(10) "b1.changed"
170: [1]=>
171: &string(10) "b1.changed"
172: [2]=>
173: int(1)
174: }
175: array(3) {
176: [0]=>
177: &string(10) "b1.changed"
178: [1]=>
179: &string(10) "b1.changed"
180: [2]=>
181: string(10) "b2.changed"
182: }
183:
184:
185: --- 1,2,3 ref container:
186: array(3) {
187: [0]=>
188: &array(3) {
189: [0]=>
190: *RECURSION*
191: [1]=>
192: *RECURSION*
193: [2]=>
194: *RECURSION*
195: }
196: [1]=>
197: &array(3) {
198: [0]=>
199: *RECURSION*
200: [1]=>
201: *RECURSION*
202: [2]=>
203: *RECURSION*
204: }
205: [2]=>
206: &array(3) {
207: [0]=>
208: *RECURSION*
209: [1]=>
210: *RECURSION*
211: [2]=>
212: *RECURSION*
213: }
214: }
215: string(56) "a:3:{i:0;a:3:{i:0;R:2;i:1;R:2;i:2;R:2;}i:1;R:2;i:2;R:2;}"
216: array(3) {
217: [0]=>
218: &array(3) {
219: [0]=>
220: *RECURSION*
221: [1]=>
222: *RECURSION*
223: [2]=>
224: *RECURSION*
225: }
226: [1]=>
227: &array(3) {
228: [0]=>
229: *RECURSION*
230: [1]=>
231: *RECURSION*
232: [2]=>
233: *RECURSION*
234: }
235: [2]=>
236: &array(3) {
237: [0]=>
238: *RECURSION*
239: [1]=>
240: *RECURSION*
241: [2]=>
242: *RECURSION*
243: }
244: }
245: array(3) {
246: [0]=>
247: &string(10) "b0.changed"
248: [1]=>
249: &string(10) "b0.changed"
250: [2]=>
251: &string(10) "b0.changed"
252: }
253: array(3) {
254: [0]=>
255: &string(10) "b1.changed"
256: [1]=>
257: &string(10) "b1.changed"
258: [2]=>
259: &string(10) "b1.changed"
260: }
261: array(3) {
262: [0]=>
263: &string(10) "b2.changed"
264: [1]=>
265: &string(10) "b2.changed"
266: [2]=>
267: &string(10) "b2.changed"
268: }
269: Done