1--TEST--
2Test ksort() function : usage variations - sort strings
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 array of string values for $array argument with
12 * following flag values:
13 *  1.flag value as defualt
14 *  2.SORT_REGULAR - compare items normally
15 *  3.SORT_STRING  - compare items as strings
16*/
17
18echo "*** Testing ksort() : usage variations ***\n";
19
20$various_arrays = array (
21  // diff. escape sequence chars with key values
22  array ( null =>  null, NULL => NULL, "\a" => "\a", "\cx" => "\cx", "\e" => "\e",
23          "\f" => "\f", "\n" =>"\n", "\r" => "\r", "\t" => "\t", "\xhh" => "\xhh",
24          "\ddd" => "\ddd", "\v" => "\v"
25        ),
26
27  // array containing different strings with key values
28  array ( 'Lemon' => "lemoN", 'o' => "Orange", 'B' => "banana", 'Apple' => "apple", 'te' => "Test",
29          't' => "TTTT", 'T' => "ttt", 'W' => "ww", 'X' => "x", 'x' => "X", 'O' => "oraNGe",
30          'B' => "BANANA"
31        )
32);
33
34$flags = array("SORT_REGULAR" => SORT_REGULAR, "SORT_STRING" => SORT_STRING);
35
36$count = 1;
37echo "\n-- Testing ksort() by supplying various string arrays --\n";
38
39// loop through to test ksort() 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 = $array;
45  var_dump(ksort($temp_array) ); // expecting : bool(true)
46  var_dump($temp_array);
47
48  // loop through $flags array and call ksort() with all possible sort flag values
49  foreach($flags as $key => $flag){
50    echo "- Sort flag = $key -\n";
51    $temp_array = $array;
52    var_dump(ksort($temp_array, $flag) ); // expecting : bool(true)
53    var_dump($temp_array);
54  }
55  $count++;
56}
57
58echo "Done\n";
59?>
60--EXPECT--
61*** Testing ksort() : usage variations ***
62
63-- Testing ksort() by supplying various string arrays --
64
65-- Iteration 1 --
66- With defualt sort flag -
67bool(true)
68array(11) {
69  [""]=>
70  NULL
71  ["	"]=>
72  string(1) "	"
73  ["
74"]=>
75  string(1) "
76"
77  [""]=>
78  string(1) ""
79  [""]=>
80  string(1) ""
81  ["
81"]=>
82  string(1) "
82"
83  [""]=>
84  string(1) ""
85  ["\a"]=>
86  string(2) "\a"
87  ["\cx"]=>
88  string(3) "\cx"
89  ["\ddd"]=>
90  string(4) "\ddd"
91  ["\xhh"]=>
92  string(4) "\xhh"
93}
94- Sort flag = SORT_REGULAR -
95bool(true)
96array(11) {
97  [""]=>
98  NULL
99  ["	"]=>
100  string(1) "	"
101  ["
102"]=>
103  string(1) "
104"
105  [""]=>
106  string(1) ""
107  [""]=>
108  string(1) ""
109  ["
109"]=>
110  string(1) "
110"
111  [""]=>
112  string(1) ""
113  ["\a"]=>
114  string(2) "\a"
115  ["\cx"]=>
116  string(3) "\cx"
117  ["\ddd"]=>
118  string(4) "\ddd"
119  ["\xhh"]=>
120  string(4) "\xhh"
121}
122- Sort flag = SORT_STRING -
123bool(true)
124array(11) {
125  [""]=>
126  NULL
127  ["	"]=>
128  string(1) "	"
129  ["
130"]=>
131  string(1) "
132"
133  [""]=>
134  string(1) ""
135  [""]=>
136  string(1) ""
137  ["
137"]=>
138  string(1) "
138"
139  [""]=>
140  string(1) ""
141  ["\a"]=>
142  string(2) "\a"
143  ["\cx"]=>
144  string(3) "\cx"
145  ["\ddd"]=>
146  string(4) "\ddd"
147  ["\xhh"]=>
148  string(4) "\xhh"
149}
150
151-- Iteration 2 --
152- With defualt sort flag -
153bool(true)
154array(11) {
155  ["Apple"]=>
156  string(5) "apple"
157  ["B"]=>
158  string(6) "BANANA"
159  ["Lemon"]=>
160  string(5) "lemoN"
161  ["O"]=>
162  string(6) "oraNGe"
163  ["T"]=>
164  string(3) "ttt"
165  ["W"]=>
166  string(2) "ww"
167  ["X"]=>
168  string(1) "x"
169  ["o"]=>
170  string(6) "Orange"
171  ["t"]=>
172  string(4) "TTTT"
173  ["te"]=>
174  string(4) "Test"
175  ["x"]=>
176  string(1) "X"
177}
178- Sort flag = SORT_REGULAR -
179bool(true)
180array(11) {
181  ["Apple"]=>
182  string(5) "apple"
183  ["B"]=>
184  string(6) "BANANA"
185  ["Lemon"]=>
186  string(5) "lemoN"
187  ["O"]=>
188  string(6) "oraNGe"
189  ["T"]=>
190  string(3) "ttt"
191  ["W"]=>
192  string(2) "ww"
193  ["X"]=>
194  string(1) "x"
195  ["o"]=>
196  string(6) "Orange"
197  ["t"]=>
198  string(4) "TTTT"
199  ["te"]=>
200  string(4) "Test"
201  ["x"]=>
202  string(1) "X"
203}
204- Sort flag = SORT_STRING -
205bool(true)
206array(11) {
207  ["Apple"]=>
208  string(5) "apple"
209  ["B"]=>
210  string(6) "BANANA"
211  ["Lemon"]=>
212  string(5) "lemoN"
213  ["O"]=>
214  string(6) "oraNGe"
215  ["T"]=>
216  string(3) "ttt"
217  ["W"]=>
218  string(2) "ww"
219  ["X"]=>
220  string(1) "x"
221  ["o"]=>
222  string(6) "Orange"
223  ["t"]=>
224  string(4) "TTTT"
225  ["te"]=>
226  string(4) "Test"
227  ["x"]=>
228  string(1) "X"
229}
230Done
231