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1.1 misho 1: --TEST--
2: Test array_map() function : usage variations - different arrays for 'arr1' argument
3: --FILE--
4: <?php
5: /* Prototype : array array_map ( callback $callback , array $arr1 [, array $... ] )
6: * Description: Applies the callback to the elements of the given arrays
7: * Source code: ext/standard/array.c
8: */
9:
10: /*
11: * Test array_map() by passing different arrays for $arr1 argument
12: */
13:
14: echo "*** Testing array_map() : different arrays for 'arr1' argument ***\n";
15:
16: function callback($a)
17: {
18: return ($a);
19: }
20:
21: // different arrays
22: $arrays = array (
23: /*1*/ array(1, 2), // array with default keys and numeric values
24: array(1.1, 2.2), // array with default keys & float values
25: array( array(2), array(1)), // sub arrays
26: array(false,true), // array with default keys and boolean values
27: array(), // empty array
28: array(NULL), // array with NULL
29: array("a","aaaa","b","bbbb","c","ccccc"),
30:
31: // associative arrays
32: /*8*/ array(1 => "one", 2 => "two", 3 => "three"), // explicit numeric keys, string values
33: array("one" => 1, "two" => 2, "three" => 3 ), // string keys & numeric values
34: array( 1 => 10, 2 => 20, 4 => 40, 3 => 30), // explicit numeric keys and numeric values
35: array( "one" => "ten", "two" => "twenty", "three" => "thirty"), // string key/value
36: array("one" => 1, 2 => "two", 4 => "four"), //mixed
37:
38: // associative array, containing null/empty/boolean values as key/value
39: /*13*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
40: array(true => "true", false => "false", "false" => false, "true" => true),
41: array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
42: array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
43: array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
44:
45: // array with repetative keys
46: /*18*/ array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
47: );
48:
49: // loop through the various elements of $arrays to test array_map()
50: $iterator = 1;
51: foreach($arrays as $arr1) {
52: echo "-- Iteration $iterator --\n";
53: var_dump( array_map('callback', $arr1) );
54: $iterator++;
55: }
56:
57: echo "Done";
58: ?>
59: --EXPECTF--
60: *** Testing array_map() : different arrays for 'arr1' argument ***
61: -- Iteration 1 --
62: array(2) {
63: [0]=>
64: int(1)
65: [1]=>
66: int(2)
67: }
68: -- Iteration 2 --
69: array(2) {
70: [0]=>
71: float(1.1)
72: [1]=>
73: float(2.2)
74: }
75: -- Iteration 3 --
76: array(2) {
77: [0]=>
78: array(1) {
79: [0]=>
80: int(2)
81: }
82: [1]=>
83: array(1) {
84: [0]=>
85: int(1)
86: }
87: }
88: -- Iteration 4 --
89: array(2) {
90: [0]=>
91: bool(false)
92: [1]=>
93: bool(true)
94: }
95: -- Iteration 5 --
96: array(0) {
97: }
98: -- Iteration 6 --
99: array(1) {
100: [0]=>
101: NULL
102: }
103: -- Iteration 7 --
104: array(6) {
105: [0]=>
106: string(1) "a"
107: [1]=>
108: string(4) "aaaa"
109: [2]=>
110: string(1) "b"
111: [3]=>
112: string(4) "bbbb"
113: [4]=>
114: string(1) "c"
115: [5]=>
116: string(5) "ccccc"
117: }
118: -- Iteration 8 --
119: array(3) {
120: [1]=>
121: string(3) "one"
122: [2]=>
123: string(3) "two"
124: [3]=>
125: string(5) "three"
126: }
127: -- Iteration 9 --
128: array(3) {
129: ["one"]=>
130: int(1)
131: ["two"]=>
132: int(2)
133: ["three"]=>
134: int(3)
135: }
136: -- Iteration 10 --
137: array(4) {
138: [1]=>
139: int(10)
140: [2]=>
141: int(20)
142: [4]=>
143: int(40)
144: [3]=>
145: int(30)
146: }
147: -- Iteration 11 --
148: array(3) {
149: ["one"]=>
150: string(3) "ten"
151: ["two"]=>
152: string(6) "twenty"
153: ["three"]=>
154: string(6) "thirty"
155: }
156: -- Iteration 12 --
157: array(3) {
158: ["one"]=>
159: int(1)
160: [2]=>
161: string(3) "two"
162: [4]=>
163: string(4) "four"
164: }
165: -- Iteration 13 --
166: array(3) {
167: [""]=>
168: string(4) "null"
169: ["NULL"]=>
170: NULL
171: ["null"]=>
172: NULL
173: }
174: -- Iteration 14 --
175: array(4) {
176: [1]=>
177: string(4) "true"
178: [0]=>
179: string(5) "false"
180: ["false"]=>
181: bool(false)
182: ["true"]=>
183: bool(true)
184: }
185: -- Iteration 15 --
186: array(3) {
187: [""]=>
188: string(6) "emptys"
189: ["emptyd"]=>
190: string(0) ""
191: ["emptys"]=>
192: string(0) ""
193: }
194: -- Iteration 16 --
195: array(6) {
196: [1]=>
197: string(0) ""
198: [2]=>
199: string(0) ""
200: [3]=>
201: NULL
202: [4]=>
203: NULL
204: [5]=>
205: bool(false)
206: [6]=>
207: bool(true)
208: }
209: -- Iteration 17 --
210: array(3) {
211: [""]=>
212: int(4)
213: [0]=>
214: int(5)
215: [1]=>
216: int(6)
217: }
218: -- Iteration 18 --
219: array(3) {
220: ["One"]=>
221: int(10)
222: ["two"]=>
223: int(20)
224: ["three"]=>
225: int(3)
226: }
227: Done