Annotation of embedaddon/php/ext/standard/tests/array/usort_variation7.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test usort() function : usage variations - Anonymous comparison function
3: --FILE--
4: <?php
5: /* Prototype : bool usort(array $array_arg, string $cmp_function)
6: * Description: Sort an array by values using a user-defined comparison function
7: * Source code: ext/standard/array.c
8: */
9:
10: /*
11: * Pass an anonymous comparison function as $cmp_function argument to test behaviour()
12: */
13:
14: echo "*** Testing usort() : usage variation ***\n";
15:
16: $cmp_function = 'if($value1 == $value2) {return 0;} else if($value1 > $value2) {return 1;} else{return -1;}';
17:
18: $array_arg = array(0 => 100, 1 => 3, 2 => -70, 3 => 24, 4 => 90);
19:
20: echo "\n-- Anonymous 'cmp_function' with parameters passed by value --\n";
21: var_dump( usort($array_arg, create_function('$value1, $value2',$cmp_function) ) );
22: var_dump($array_arg);
23:
24: $array_arg = array("b" => "Banana", "m" => "Mango", "a" => "Apple", "p" => "Pineapple");
25:
26: echo "\n-- Anonymous 'cmp_function' with parameters passed by reference --\n";
27: var_dump( usort($array_arg, create_function('&$value1, &$value2', $cmp_function) ) );
28: var_dump($array_arg);
29: ?>
30: ===DONE===
31: --EXPECTF--
32: *** Testing usort() : usage variation ***
33:
34: -- Anonymous 'cmp_function' with parameters passed by value --
35: bool(true)
36: array(5) {
37: [0]=>
38: int(-70)
39: [1]=>
40: int(3)
41: [2]=>
42: int(24)
43: [3]=>
44: int(90)
45: [4]=>
46: int(100)
47: }
48:
49: -- Anonymous 'cmp_function' with parameters passed by reference --
50: bool(true)
51: array(4) {
52: [0]=>
53: string(5) "Apple"
54: [1]=>
55: string(6) "Banana"
56: [2]=>
57: string(5) "Mango"
58: [3]=>
59: string(9) "Pineapple"
60: }
61: ===DONE===
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