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1.1 misho 1: --TEST--
2: Test each() function : usage variations - arrays of different data types
3: --FILE--
4: <?php
5: /* Prototype : array each(array $arr)
6: * Description: Return the currently pointed key..value pair in the passed array,
7: * and advance the pointer to the next element
8: * Source code: Zend/zend_builtin_functions.c
9: */
10:
11: /*
12: * Pass arrays of different data types as $arr argument to each() to test behaviour
13: */
14:
15: echo "*** Testing each() : usage variations ***\n";
16:
17: //get an unset variable
18: $unset_var = 10;
19: unset ($unset_var);
20:
21: // get a class
22: class classA
23: {
24: public function __toString() {
25: return "Class A object";
26: }
27: }
28:
29: // heredoc string
30: $heredoc = <<<EOT
31: hello world
32: EOT;
33:
34: // get a resource variable
35: $fp = fopen(__FILE__, "r");
36:
37: // arrays of different data types to be passed as $arr
38: $inputs = array(
39:
40: // int data
41: /*1*/ 'int' => array(
42: 0,
43: 1,
44: 12345,
45: -2345,
46: ),
47:
48: // float data
49: /*2*/ 'float' => array(
50: 10.5,
51: -10.5,
52: 12.3456789000e10,
53: 12.3456789000E-10,
54: .5,
55: ),
56:
57: // null data
58: /*3*/ 'null' => array(
59: NULL,
60: null,
61: ),
62:
63: // boolean data
64: /*4*/ 'bool' => array(
65: true,
66: false,
67: TRUE,
68: FALSE,
69: ),
70:
71: // empty data
72: /*5*/ 'empty string' => array(
73: "",
74: '',
75: ),
76:
77: /*6*/ 'empty array' => array(
78: ),
79:
80: // string data
81: /*7*/ 'string' => array(
82: "string",
83: 'string',
84: $heredoc,
85: ),
86:
87: // object data
88: /*8*/ 'object' => array(
89: new classA(),
90: ),
91:
92: // undefined data
93: /*9*/ 'undefined' => array(
94: @$undefined_var,
95: ),
96:
97: // unset data
98: /*10*/ 'unset' => array(
99: @$unset_var,
100: ),
101:
102: // resource variable
103: /*11*/ 'resource' => array(
104: $fp
105: ),
106: );
107:
108: // loop through each element of $inputs to check the behavior of each()
109: $iterator = 1;
110: foreach($inputs as $key => $input) {
111: echo "\n-- Iteration $iterator: $key data --\n";
112: var_dump( each($input) );
113: $iterator++;
114: };
115:
116: fclose($fp);
117:
118: echo "Done";
119: ?>
120:
121: --EXPECTF--
122: *** Testing each() : usage variations ***
123:
124: -- Iteration 1: int data --
125: array(4) {
126: [1]=>
127: int(0)
128: ["value"]=>
129: int(0)
130: [0]=>
131: int(0)
132: ["key"]=>
133: int(0)
134: }
135:
136: -- Iteration 2: float data --
137: array(4) {
138: [1]=>
139: float(10.5)
140: ["value"]=>
141: float(10.5)
142: [0]=>
143: int(0)
144: ["key"]=>
145: int(0)
146: }
147:
148: -- Iteration 3: null data --
149: array(4) {
150: [1]=>
151: NULL
152: ["value"]=>
153: NULL
154: [0]=>
155: int(0)
156: ["key"]=>
157: int(0)
158: }
159:
160: -- Iteration 4: bool data --
161: array(4) {
162: [1]=>
163: bool(true)
164: ["value"]=>
165: bool(true)
166: [0]=>
167: int(0)
168: ["key"]=>
169: int(0)
170: }
171:
172: -- Iteration 5: empty string data --
173: array(4) {
174: [1]=>
175: string(0) ""
176: ["value"]=>
177: string(0) ""
178: [0]=>
179: int(0)
180: ["key"]=>
181: int(0)
182: }
183:
184: -- Iteration 6: empty array data --
185: bool(false)
186:
187: -- Iteration 7: string data --
188: array(4) {
189: [1]=>
190: string(6) "string"
191: ["value"]=>
192: string(6) "string"
193: [0]=>
194: int(0)
195: ["key"]=>
196: int(0)
197: }
198:
199: -- Iteration 8: object data --
200: array(4) {
201: [1]=>
202: object(classA)#%d (0) {
203: }
204: ["value"]=>
205: object(classA)#%d (0) {
206: }
207: [0]=>
208: int(0)
209: ["key"]=>
210: int(0)
211: }
212:
213: -- Iteration 9: undefined data --
214: array(4) {
215: [1]=>
216: NULL
217: ["value"]=>
218: NULL
219: [0]=>
220: int(0)
221: ["key"]=>
222: int(0)
223: }
224:
225: -- Iteration 10: unset data --
226: array(4) {
227: [1]=>
228: NULL
229: ["value"]=>
230: NULL
231: [0]=>
232: int(0)
233: ["key"]=>
234: int(0)
235: }
236:
237: -- Iteration 11: resource data --
238: array(4) {
239: [1]=>
240: resource(%d) of type (stream)
241: ["value"]=>
242: resource(%d) of type (stream)
243: [0]=>
244: int(0)
245: ["key"]=>
246: int(0)
247: }
248: Done