Annotation of embedaddon/php/ext/standard/tests/array/array_diff_variation6.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test array_diff() function : usage variations - array containing duplicate keys and values
3: --FILE--
4: <?php
5: /* Prototype : array array_diff(array $arr1, array $arr2 [, array ...])
6: * Description: Returns the entries of $arr1 that have values which are not
7: * present in any of the others arguments.
8: * Source code: ext/standard/array.c
9: */
10:
11: /*
12: * Test that array_diff behaves as expected for comparing:
13: * 1. the order of the array
14: * 2. duplicate values
15: * 3. duplicate key names
16: */
17:
18: echo "*** Testing array_diff() : usage variations ***\n";
19:
20: $array_index = array('a', 'b', 'c', 0 => 'd', 'b'); //duplicate key (0), duplicate value (b)
21: $array_assoc = array ('2' => 'c', //same key=>value pair, different order
22: '1' => 'b',
23: '0' => 'a',
24: 'b' => '3', //key and value from array_index swapped
25: 'c' => 2); //same as above, using integer
26:
27: var_dump(array_diff($array_index, $array_assoc));
28: var_dump(array_diff($array_assoc, $array_index));
29:
30: echo "Done";
31: ?>
32: --EXPECTF--
33: *** Testing array_diff() : usage variations ***
34: array(1) {
35: [0]=>
36: string(1) "d"
37: }
38: array(3) {
39: [0]=>
40: string(1) "a"
41: ["b"]=>
42: string(1) "3"
43: ["c"]=>
44: int(2)
45: }
46: Done
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