1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
--TEST--
Test array_intersect() function : basic functionality
--FILE--
<?php
/* Prototype : array array_intersect(array $arr1, array $arr2 [, array $...])
* Description: Returns the entries of arr1 that have values which are present in all the other arguments
* Source code: ext/standard/array.c
*/
/*
* Testing the behavior of array_intersect() by passing different arrays for the arguments.
* Function is tested by passing associative array as well as array with default keys.
*/
echo "*** Testing array_intersect() : basic functionality ***\n";
// array with default keys
$arr_default_keys = array(1, 2, "hello", 'world');
// associative array
$arr_associative = array("one" => 1, "two" => 2);
// default key array for both $arr1 and $arr2 argument
var_dump( array_intersect($arr_default_keys, $arr_default_keys) );
// default key array for $arr1 and associative array for $arr2 argument
var_dump( array_intersect($arr_default_keys, $arr_associative) );
// associative array for $arr1 and default key array for $arr2
var_dump( array_intersect($arr_associative, $arr_default_keys) );
// associative array for both $arr1 and $arr2 argument
var_dump( array_intersect($arr_associative, $arr_associative) );
// more arrays to be intersected
$arr3 = array(2, 3, 4);
var_dump( array_intersect($arr_default_keys, $arr_associative, $arr3) );
var_dump( array_intersect($arr_associative, $arr_default_keys, $arr3, $arr_associative) );
echo "Done";
?>
--EXPECT--
*** Testing array_intersect() : basic functionality ***
array(4) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
string(5) "hello"
[3]=>
string(5) "world"
}
array(2) {
[0]=>
int(1)
[1]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
array(1) {
[1]=>
int(2)
}
array(1) {
["two"]=>
int(2)
}
Done
|
