1--TEST--
2Test ksort() function : usage variations - sorting arrays with/without keys
3--FILE--
4<?php
5/* Prototype  : bool ksort ( array &$array [, int $sort_flags] )
6 * Description: Sort an array by key, maintaining key to data correlation.
7 * Source code: ext/standard/array.c
8*/
9
10/*
11 * Testing ksort() by providing arrays  with/without key values for $array argument with following flag values:
12 *  1.flag value as defualt
13 *  2.SORT_REGULAR - compare items normally
14 */
15
16echo "*** Testing ksort() : usage variations ***\n";
17
18// list of arrays with/without key values
19$various_arrays = array (
20  array(5 => 55,  66, 22, 33, 11),
21  array ("a" => "orange",  "banana", "c" => "apple"),
22  array(1, 2, 3, 4, 5, 6),
23  array("first", 5 => "second", 1 => "third"),
24  array(1, 1, 8 => 1,  4 => 1, 19, 3 => 13),
25  array('bar' => 'baz', "foo" => 1),
26  array('a' => 1,'b' => array('e' => 2,'f' => 3),'c' => array('g' => 4),'d' => 5),
27);
28
29$count = 1;
30echo "\n-- Testing ksort() by supplying various arrays with/without key values --\n";
31
32// loop through to test ksort() with different arrays,
33foreach ($various_arrays as $array) {
34  echo "\n-- Iteration $count --\n";
35
36  echo "- With defualt sort flag -\n";
37  $temp_array = $array;
38  var_dump( ksort($temp_array) );
39  var_dump($temp_array);
40
41  echo "- Sort flag = SORT_REGULAR -\n";
42  $temp_array = $array;
43  var_dump( ksort($temp_array, SORT_REGULAR) );
44  var_dump($temp_array);
45  $count++;
46}
47
48echo "Done\n";
49?>
50--EXPECT--
51*** Testing ksort() : usage variations ***
52
53-- Testing ksort() by supplying various arrays with/without key values --
54
55-- Iteration 1 --
56- With defualt sort flag -
57bool(true)
58array(5) {
59  [5]=>
60  int(55)
61  [6]=>
62  int(66)
63  [7]=>
64  int(22)
65  [8]=>
66  int(33)
67  [9]=>
68  int(11)
69}
70- Sort flag = SORT_REGULAR -
71bool(true)
72array(5) {
73  [5]=>
74  int(55)
75  [6]=>
76  int(66)
77  [7]=>
78  int(22)
79  [8]=>
80  int(33)
81  [9]=>
82  int(11)
83}
84
85-- Iteration 2 --
86- With defualt sort flag -
87bool(true)
88array(3) {
89  ["a"]=>
90  string(6) "orange"
91  [0]=>
92  string(6) "banana"
93  ["c"]=>
94  string(5) "apple"
95}
96- Sort flag = SORT_REGULAR -
97bool(true)
98array(3) {
99  ["a"]=>
100  string(6) "orange"
101  [0]=>
102  string(6) "banana"
103  ["c"]=>
104  string(5) "apple"
105}
106
107-- Iteration 3 --
108- With defualt sort flag -
109bool(true)
110array(6) {
111  [0]=>
112  int(1)
113  [1]=>
114  int(2)
115  [2]=>
116  int(3)
117  [3]=>
118  int(4)
119  [4]=>
120  int(5)
121  [5]=>
122  int(6)
123}
124- Sort flag = SORT_REGULAR -
125bool(true)
126array(6) {
127  [0]=>
128  int(1)
129  [1]=>
130  int(2)
131  [2]=>
132  int(3)
133  [3]=>
134  int(4)
135  [4]=>
136  int(5)
137  [5]=>
138  int(6)
139}
140
141-- Iteration 4 --
142- With defualt sort flag -
143bool(true)
144array(3) {
145  [0]=>
146  string(5) "first"
147  [1]=>
148  string(5) "third"
149  [5]=>
150  string(6) "second"
151}
152- Sort flag = SORT_REGULAR -
153bool(true)
154array(3) {
155  [0]=>
156  string(5) "first"
157  [1]=>
158  string(5) "third"
159  [5]=>
160  string(6) "second"
161}
162
163-- Iteration 5 --
164- With defualt sort flag -
165bool(true)
166array(6) {
167  [0]=>
168  int(1)
169  [1]=>
170  int(1)
171  [3]=>
172  int(13)
173  [4]=>
174  int(1)
175  [8]=>
176  int(1)
177  [9]=>
178  int(19)
179}
180- Sort flag = SORT_REGULAR -
181bool(true)
182array(6) {
183  [0]=>
184  int(1)
185  [1]=>
186  int(1)
187  [3]=>
188  int(13)
189  [4]=>
190  int(1)
191  [8]=>
192  int(1)
193  [9]=>
194  int(19)
195}
196
197-- Iteration 6 --
198- With defualt sort flag -
199bool(true)
200array(2) {
201  ["bar"]=>
202  string(3) "baz"
203  ["foo"]=>
204  int(1)
205}
206- Sort flag = SORT_REGULAR -
207bool(true)
208array(2) {
209  ["bar"]=>
210  string(3) "baz"
211  ["foo"]=>
212  int(1)
213}
214
215-- Iteration 7 --
216- With defualt sort flag -
217bool(true)
218array(4) {
219  ["a"]=>
220  int(1)
221  ["b"]=>
222  array(2) {
223    ["e"]=>
224    int(2)
225    ["f"]=>
226    int(3)
227  }
228  ["c"]=>
229  array(1) {
230    ["g"]=>
231    int(4)
232  }
233  ["d"]=>
234  int(5)
235}
236- Sort flag = SORT_REGULAR -
237bool(true)
238array(4) {
239  ["a"]=>
240  int(1)
241  ["b"]=>
242  array(2) {
243    ["e"]=>
244    int(2)
245    ["f"]=>
246    int(3)
247  }
248  ["c"]=>
249  array(1) {
250    ["g"]=>
251    int(4)
252  }
253  ["d"]=>
254  int(5)
255}
256Done
257