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1.1 misho 1: --TEST--
2: Test each() function : usage variations - keys 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 each() arrays where the keys are different data types 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: // heredoc string
22: $heredoc = <<<EOT
23: hello world
24: EOT;
25:
26: // unexpected values to be passed as $arr
27: $inputs = array(
28:
29: // int data
30: /*1*/ 'int' => array(
31: 0 => 'zero',
32: 1 => 'one',
33: 12345 => 'positive',
34: -2345 => 'negative',
35: ),
36:
37: // float data
38: /*2*/ 'float' => array(
39: 10.5 => 'positive',
40: -10.5 => 'negative',
41: .5 => 'half',
42: ),
43:
44: /*3*/ 'extreme floats' => array(
45: 12.3456789000e6 => 'large',
46: 12.3456789000E-10 => 'small',
47: ),
48:
49: // null data
50: /*4*/ 'null uppercase' => array(
51: NULL => 'null 1',
52: ),
53:
54: /*5*/ 'null lowercase' => array(
55: null => 'null 2',
56: ),
57:
58: // boolean data
59: /*6*/ 'bool lowercase' => array(
60: true => 'lowert',
61: false => 'lowerf',
62: ),
63:
64: /*7*/ 'bool uppercase' => array(
65: TRUE => 'uppert',
66: FALSE => 'upperf',
67: ),
68:
69: // empty data
70: /*8*/ 'empty double quotes' => array(
71: "" => 'emptyd',
72: ),
73:
74: /*9*/ 'empty single quotes' => array(
75: '' => 'emptys',
76: ),
77:
78: // string data
79: /*10*/ 'string' => array(
80: "stringd" => 'stringd',
81: 'strings' => 'strings',
82: $heredoc => 'stringh',
83: ),
84:
85: // undefined data
86: /*11*/ 'undefined' => array(
87: @$undefined_var => 'undefined',
88: ),
89:
90: // unset data
91: /*12*/ 'unset' => array(
92: @$unset_var => 'unset',
93: ),
94: );
95:
96: // loop through each element of $inputs to check the behavior of each()
97: $iterator = 1;
98: foreach($inputs as $key => $input) {
99: echo "\n-- Iteration $iterator: $key data --\n";
100: var_dump( each($input) );
101: $iterator++;
102: };
103:
104: echo "Done";
105: ?>
106:
107: --EXPECTF--
108: *** Testing each() : usage variations ***
109:
110: -- Iteration 1: int data --
111: array(4) {
112: [1]=>
113: string(4) "zero"
114: ["value"]=>
115: string(4) "zero"
116: [0]=>
117: int(0)
118: ["key"]=>
119: int(0)
120: }
121:
122: -- Iteration 2: float data --
123: array(4) {
124: [1]=>
125: string(8) "positive"
126: ["value"]=>
127: string(8) "positive"
128: [0]=>
129: int(10)
130: ["key"]=>
131: int(10)
132: }
133:
134: -- Iteration 3: extreme floats data --
135: array(4) {
136: [1]=>
137: string(5) "large"
138: ["value"]=>
139: string(5) "large"
140: [0]=>
141: int(12345678)
142: ["key"]=>
143: int(12345678)
144: }
145:
146: -- Iteration 4: null uppercase data --
147: array(4) {
148: [1]=>
149: string(6) "null 1"
150: ["value"]=>
151: string(6) "null 1"
152: [0]=>
153: string(0) ""
154: ["key"]=>
155: string(0) ""
156: }
157:
158: -- Iteration 5: null lowercase data --
159: array(4) {
160: [1]=>
161: string(6) "null 2"
162: ["value"]=>
163: string(6) "null 2"
164: [0]=>
165: string(0) ""
166: ["key"]=>
167: string(0) ""
168: }
169:
170: -- Iteration 6: bool lowercase data --
171: array(4) {
172: [1]=>
173: string(6) "lowert"
174: ["value"]=>
175: string(6) "lowert"
176: [0]=>
177: int(1)
178: ["key"]=>
179: int(1)
180: }
181:
182: -- Iteration 7: bool uppercase data --
183: array(4) {
184: [1]=>
185: string(6) "uppert"
186: ["value"]=>
187: string(6) "uppert"
188: [0]=>
189: int(1)
190: ["key"]=>
191: int(1)
192: }
193:
194: -- Iteration 8: empty double quotes data --
195: array(4) {
196: [1]=>
197: string(6) "emptyd"
198: ["value"]=>
199: string(6) "emptyd"
200: [0]=>
201: string(0) ""
202: ["key"]=>
203: string(0) ""
204: }
205:
206: -- Iteration 9: empty single quotes data --
207: array(4) {
208: [1]=>
209: string(6) "emptys"
210: ["value"]=>
211: string(6) "emptys"
212: [0]=>
213: string(0) ""
214: ["key"]=>
215: string(0) ""
216: }
217:
218: -- Iteration 10: string data --
219: array(4) {
220: [1]=>
221: string(7) "stringd"
222: ["value"]=>
223: string(7) "stringd"
224: [0]=>
225: string(7) "stringd"
226: ["key"]=>
227: string(7) "stringd"
228: }
229:
230: -- Iteration 11: undefined data --
231: array(4) {
232: [1]=>
233: string(9) "undefined"
234: ["value"]=>
235: string(9) "undefined"
236: [0]=>
237: string(0) ""
238: ["key"]=>
239: string(0) ""
240: }
241:
242: -- Iteration 12: unset data --
243: array(4) {
244: [1]=>
245: string(5) "unset"
246: ["value"]=>
247: string(5) "unset"
248: [0]=>
249: string(0) ""
250: ["key"]=>
251: string(0) ""
252: }
253: Done