1--TEST--
2Test sort() function : usage variations - sort diff. associative arrays, 'sort_flags' as defualt/SORT_REGULAR
3--FILE--
4<?php
5/* Prototype  : bool sort ( array &$array [, int $sort_flags] )
6 * Description: This function sorts an array.
7                Elements will be arranged from lowest to highest when this function has completed.
8 * Source code: ext/standard/array.c
9*/
10
11/*
12 * Testing sort() by providing arrays  with key values for $array argument
13 * with following flag values.
14 * 1.flag value as defualt
15 * 2.SORT_REGULAR - compare items normally
16 * To test the new keys for the elements in the sorted array.
17 */
18
19echo "*** Testing sort() : usage variations ***\n";
20
21// list of arrays with key and values
22$various_arrays = array(
23  array(5 => 55, 6 => 66, 2 => 22, 3 => 33, 1 => 11),
24  array ("fruits"  => array("a" => "orange", "b" => "banana", "c" => "apple"),
25         "numbers" => array(1, 2, 3, 4, 5, 6),
26         "holes"   => array("first", 5 => "second", "third")
27        ),
28  array(1, 1, 8 => 1,  4 => 1, 19, 3 => 13),
29  array('bar' => 'baz', "foo" => 1),
30  array('a' => 1,'b' => array('e' => 2,'f' => 3),'c' => array('g' => 4),'d' => 5),
31);
32
33$count = 1;
34echo "\n-- Testing sort() by supplying various arrays with key values --\n";
35
36// loop through to test sort() with different arrays,
37// to test the new keys for the elements in the sorted array
38foreach ($various_arrays as $array) {
39  echo "\n-- Iteration $count --\n";
40
41  echo "- With Defualt sort flag -\n";
42  $temp_array = $array;
43  var_dump(sort($temp_array) );
44  var_dump($temp_array);
45
46  echo "- Sort flag = SORT_REGULAR -\n";
47  $temp_array = $array;
48  var_dump(sort($temp_array, SORT_REGULAR) );
49  var_dump($temp_array);
50  $count++;
51}
52
53echo "Done\n";
54?>
55--EXPECTF--
56*** Testing sort() : usage variations ***
57
58-- Testing sort() by supplying various arrays with key values --
59
60-- Iteration 1 --
61- With Defualt sort flag -
62bool(true)
63array(5) {
64  [0]=>
65  int(11)
66  [1]=>
67  int(22)
68  [2]=>
69  int(33)
70  [3]=>
71  int(55)
72  [4]=>
73  int(66)
74}
75- Sort flag = SORT_REGULAR -
76bool(true)
77array(5) {
78  [0]=>
79  int(11)
80  [1]=>
81  int(22)
82  [2]=>
83  int(33)
84  [3]=>
85  int(55)
86  [4]=>
87  int(66)
88}
89
90-- Iteration 2 --
91- With Defualt sort flag -
92bool(true)
93array(3) {
94  [0]=>
95  array(3) {
96    [0]=>
97    string(5) "first"
98    [5]=>
99    string(6) "second"
100    [6]=>
101    string(5) "third"
102  }
103  [1]=>
104  array(3) {
105    ["a"]=>
106    string(6) "orange"
107    ["b"]=>
108    string(6) "banana"
109    ["c"]=>
110    string(5) "apple"
111  }
112  [2]=>
113  array(6) {
114    [0]=>
115    int(1)
116    [1]=>
117    int(2)
118    [2]=>
119    int(3)
120    [3]=>
121    int(4)
122    [4]=>
123    int(5)
124    [5]=>
125    int(6)
126  }
127}
128- Sort flag = SORT_REGULAR -
129bool(true)
130array(3) {
131  [0]=>
132  array(3) {
133    [0]=>
134    string(5) "first"
135    [5]=>
136    string(6) "second"
137    [6]=>
138    string(5) "third"
139  }
140  [1]=>
141  array(3) {
142    ["a"]=>
143    string(6) "orange"
144    ["b"]=>
145    string(6) "banana"
146    ["c"]=>
147    string(5) "apple"
148  }
149  [2]=>
150  array(6) {
151    [0]=>
152    int(1)
153    [1]=>
154    int(2)
155    [2]=>
156    int(3)
157    [3]=>
158    int(4)
159    [4]=>
160    int(5)
161    [5]=>
162    int(6)
163  }
164}
165
166-- Iteration 3 --
167- With Defualt sort flag -
168bool(true)
169array(6) {
170  [0]=>
171  int(1)
172  [1]=>
173  int(1)
174  [2]=>
175  int(1)
176  [3]=>
177  int(1)
178  [4]=>
179  int(13)
180  [5]=>
181  int(19)
182}
183- Sort flag = SORT_REGULAR -
184bool(true)
185array(6) {
186  [0]=>
187  int(1)
188  [1]=>
189  int(1)
190  [2]=>
191  int(1)
192  [3]=>
193  int(1)
194  [4]=>
195  int(13)
196  [5]=>
197  int(19)
198}
199
200-- Iteration 4 --
201- With Defualt sort flag -
202bool(true)
203array(2) {
204  [0]=>
205  string(3) "baz"
206  [1]=>
207  int(1)
208}
209- Sort flag = SORT_REGULAR -
210bool(true)
211array(2) {
212  [0]=>
213  string(3) "baz"
214  [1]=>
215  int(1)
216}
217
218-- Iteration 5 --
219- With Defualt sort flag -
220bool(true)
221array(4) {
222  [0]=>
223  int(1)
224  [1]=>
225  int(5)
226  [2]=>
227  array(1) {
228    ["g"]=>
229    int(4)
230  }
231  [3]=>
232  array(2) {
233    ["e"]=>
234    int(2)
235    ["f"]=>
236    int(3)
237  }
238}
239- Sort flag = SORT_REGULAR -
240bool(true)
241array(4) {
242  [0]=>
243  int(1)
244  [1]=>
245  int(5)
246  [2]=>
247  array(1) {
248    ["g"]=>
249    int(4)
250  }
251  [3]=>
252  array(2) {
253    ["e"]=>
254    int(2)
255    ["f"]=>
256    int(3)
257  }
258}
259Done
260