1--TEST--
2Test krsort() function : usage variations - sort integer/float values
3--FILE--
4<?php
5/* Prototype  : bool krsort ( array &$array [, int $sort_flags] )
6 * Description: Sort an array by key in reverse order, maintaining key to data correlation
7 * Source code: ext/standard/array.c
8*/
9
10/*
11 * Testing krsort() by providing array of integer/float/mixed values for $array argument
12 * with following flag values:
13 *  1.flag value as defualt
14 *  2.SORT_REGULAR - compare items normally
15 *  3.SORT_NUMERIC - compare items numerically
16*/
17
18echo "*** Testing krsort() : usage variations ***\n";
19
20// diff. associative arrays to sort
21$various_arrays = array(
22  // negative/posative integer key value array
23  array(1 => 11, -2 => -11, 3 => 21, -4 => -21, 5 => 31, -6 => -31, 7 => 0, 8 => 41, -10 =>-41),
24
25  // float key values
26  array(1.0 => 10.5, 0.2 => -10.5, 3.1 => 10.5e2, 4 => 10.6E-2, .5 => .5, 6 => .0001, -7 => -.1),
27
28  // mixed value array with different types of keys
29  array(1 => .0001, 2 => .0021, -3 => -.01, 4 => -1, 5 => 0, 6 => .09, 7 => 2, -8 => -.9, 9 => 10.6E-2,
30        -10 => -10.6E-2, 11 => 33)
31);
32
33// set of possible flag values
34$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_NUMERIC" => SORT_NUMERIC);
35
36$count = 1;
37echo "\n-- Testing krsort() by supplying various integer/float arrays --\n";
38
39// loop through to test krsort() with different arrays
40foreach ($various_arrays as $array) {
41  echo "\n-- Iteration $count --\n";
42
43  echo "- With defualt sort flag -\n";
44  $temp_array = $array;
45  var_dump(krsort($temp_array) );
46  var_dump($temp_array);
47
48  // loop through $flags array and call krsort() with all possible sort flag values
49  foreach($flags as $key => $flag){
50    echo "- Sort flag = $key -\n";
51    $temp_array = $array;
52    var_dump(krsort($temp_array, $flag) );
53    var_dump($temp_array);
54  }
55  $count++;
56}
57
58echo "Done\n";
59?>
60--EXPECT--
61*** Testing krsort() : usage variations ***
62
63-- Testing krsort() by supplying various integer/float arrays --
64
65-- Iteration 1 --
66- With defualt sort flag -
67bool(true)
68array(9) {
69  [8]=>
70  int(41)
71  [7]=>
72  int(0)
73  [5]=>
74  int(31)
75  [3]=>
76  int(21)
77  [1]=>
78  int(11)
79  [-2]=>
80  int(-11)
81  [-4]=>
82  int(-21)
83  [-6]=>
84  int(-31)
85  [-10]=>
86  int(-41)
87}
88- Sort flag = SORT_REGULAR -
89bool(true)
90array(9) {
91  [8]=>
92  int(41)
93  [7]=>
94  int(0)
95  [5]=>
96  int(31)
97  [3]=>
98  int(21)
99  [1]=>
100  int(11)
101  [-2]=>
102  int(-11)
103  [-4]=>
104  int(-21)
105  [-6]=>
106  int(-31)
107  [-10]=>
108  int(-41)
109}
110- Sort flag = SORT_NUMERIC -
111bool(true)
112array(9) {
113  [8]=>
114  int(41)
115  [7]=>
116  int(0)
117  [5]=>
118  int(31)
119  [3]=>
120  int(21)
121  [1]=>
122  int(11)
123  [-2]=>
124  int(-11)
125  [-4]=>
126  int(-21)
127  [-6]=>
128  int(-31)
129  [-10]=>
130  int(-41)
131}
132
133-- Iteration 2 --
134- With defualt sort flag -
135bool(true)
136array(6) {
137  [6]=>
138  float(0.0001)
139  [4]=>
140  float(0.106)
141  [3]=>
142  float(1050)
143  [1]=>
144  float(10.5)
145  [0]=>
146  float(0.5)
147  [-7]=>
148  float(-0.1)
149}
150- Sort flag = SORT_REGULAR -
151bool(true)
152array(6) {
153  [6]=>
154  float(0.0001)
155  [4]=>
156  float(0.106)
157  [3]=>
158  float(1050)
159  [1]=>
160  float(10.5)
161  [0]=>
162  float(0.5)
163  [-7]=>
164  float(-0.1)
165}
166- Sort flag = SORT_NUMERIC -
167bool(true)
168array(6) {
169  [6]=>
170  float(0.0001)
171  [4]=>
172  float(0.106)
173  [3]=>
174  float(1050)
175  [1]=>
176  float(10.5)
177  [0]=>
178  float(0.5)
179  [-7]=>
180  float(-0.1)
181}
182
183-- Iteration 3 --
184- With defualt sort flag -
185bool(true)
186array(11) {
187  [11]=>
188  int(33)
189  [9]=>
190  float(0.106)
191  [7]=>
192  int(2)
193  [6]=>
194  float(0.09)
195  [5]=>
196  int(0)
197  [4]=>
198  int(-1)
199  [2]=>
200  float(0.0021)
201  [1]=>
202  float(0.0001)
203  [-3]=>
204  float(-0.01)
205  [-8]=>
206  float(-0.9)
207  [-10]=>
208  float(-0.106)
209}
210- Sort flag = SORT_REGULAR -
211bool(true)
212array(11) {
213  [11]=>
214  int(33)
215  [9]=>
216  float(0.106)
217  [7]=>
218  int(2)
219  [6]=>
220  float(0.09)
221  [5]=>
222  int(0)
223  [4]=>
224  int(-1)
225  [2]=>
226  float(0.0021)
227  [1]=>
228  float(0.0001)
229  [-3]=>
230  float(-0.01)
231  [-8]=>
232  float(-0.9)
233  [-10]=>
234  float(-0.106)
235}
236- Sort flag = SORT_NUMERIC -
237bool(true)
238array(11) {
239  [11]=>
240  int(33)
241  [9]=>
242  float(0.106)
243  [7]=>
244  int(2)
245  [6]=>
246  float(0.09)
247  [5]=>
248  int(0)
249  [4]=>
250  int(-1)
251  [2]=>
252  float(0.0021)
253  [1]=>
254  float(0.0001)
255  [-3]=>
256  float(-0.01)
257  [-8]=>
258  float(-0.9)
259  [-10]=>
260  float(-0.106)
261}
262Done
263