1--TEST--
2Test array_chunk() function : usage variations - array with diff. sub arrays
3--FILE--
4<?php
5/* Prototype  : array array_chunk(array $array, int $size [, bool $preserve_keys])
6 * Description: Split array into chunks
7 *            : Chunks an array into size large chunks
8 * Source code: ext/standard/array.c
9*/
10
11/*
12* Testing array_chunk() function - input array containing different sub arrays
13*/
14
15echo "*** Testing array_chunk() : usage variations ***\n";
16
17$size = 2;
18
19// input array
20$input_array = array (
21  "array1" => array(),
22  "array2" => array(1, 2, 3),
23  "array3" =>  array(1)
24);
25
26echo "\n-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' as defualt --\n";
27var_dump( array_chunk($input_array, $size) );
28
29echo "\n-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' = true --\n";
30var_dump( array_chunk($input_array, $size, true) );
31
32echo "\n-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' = false --\n";
33var_dump( array_chunk($input_array, $size, false) );
34
35echo "Done";
36?>
37--EXPECT--
38*** Testing array_chunk() : usage variations ***
39
40-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' as defualt --
41array(2) {
42  [0]=>
43  array(2) {
44    [0]=>
45    array(0) {
46    }
47    [1]=>
48    array(3) {
49      [0]=>
50      int(1)
51      [1]=>
52      int(2)
53      [2]=>
54      int(3)
55    }
56  }
57  [1]=>
58  array(1) {
59    [0]=>
60    array(1) {
61      [0]=>
62      int(1)
63    }
64  }
65}
66
67-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' = true --
68array(2) {
69  [0]=>
70  array(2) {
71    ["array1"]=>
72    array(0) {
73    }
74    ["array2"]=>
75    array(3) {
76      [0]=>
77      int(1)
78      [1]=>
79      int(2)
80      [2]=>
81      int(3)
82    }
83  }
84  [1]=>
85  array(1) {
86    ["array3"]=>
87    array(1) {
88      [0]=>
89      int(1)
90    }
91  }
92}
93
94-- Testing array_chunk() by supplying an array containing different sub arrays & 'preserve_key' = false --
95array(2) {
96  [0]=>
97  array(2) {
98    [0]=>
99    array(0) {
100    }
101    [1]=>
102    array(3) {
103      [0]=>
104      int(1)
105      [1]=>
106      int(2)
107      [2]=>
108      int(3)
109    }
110  }
111  [1]=>
112  array(1) {
113    [0]=>
114    array(1) {
115      [0]=>
116      int(1)
117    }
118  }
119}
120Done
121