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  ["
82"]=>
83  string(1) "
84"
85  [""]=>
86  string(1) ""
87  ["\a"]=>
88  string(2) "\a"
89  ["\cx"]=>
90  string(3) "\cx"
91  ["\ddd"]=>
92  string(4) "\ddd"
93  ["\xhh"]=>
94  string(4) "\xhh"
95}
96- Sort flag = SORT_REGULAR -
97bool(true)
98array(11) {
99  [""]=>
100  NULL
101  ["	"]=>
102  string(1) "	"
103  ["
104"]=>
105  string(1) "
106"
107  [""]=>
108  string(1) ""
109  [""]=>
110  string(1) ""
111  ["
112"]=>
113  string(1) "
114"
115  [""]=>
116  string(1) ""
117  ["\a"]=>
118  string(2) "\a"
119  ["\cx"]=>
120  string(3) "\cx"
121  ["\ddd"]=>
122  string(4) "\ddd"
123  ["\xhh"]=>
124  string(4) "\xhh"
125}
126- Sort flag = SORT_STRING -
127bool(true)
128array(11) {
129  [""]=>
130  NULL
131  ["	"]=>
132  string(1) "	"
133  ["
134"]=>
135  string(1) "
136"
137  [""]=>
138  string(1) ""
139  [""]=>
140  string(1) ""
141  ["
142"]=>
143  string(1) "
144"
145  [""]=>
146  string(1) ""
147  ["\a"]=>
148  string(2) "\a"
149  ["\cx"]=>
150  string(3) "\cx"
151  ["\ddd"]=>
152  string(4) "\ddd"
153  ["\xhh"]=>
154  string(4) "\xhh"
155}
156
157-- Iteration 2 --
158- With defualt sort flag -
159bool(true)
160array(11) {
161  ["Apple"]=>
162  string(5) "apple"
163  ["B"]=>
164  string(6) "BANANA"
165  ["Lemon"]=>
166  string(5) "lemoN"
167  ["O"]=>
168  string(6) "oraNGe"
169  ["T"]=>
170  string(3) "ttt"
171  ["W"]=>
172  string(2) "ww"
173  ["X"]=>
174  string(1) "x"
175  ["o"]=>
176  string(6) "Orange"
177  ["t"]=>
178  string(4) "TTTT"
179  ["te"]=>
180  string(4) "Test"
181  ["x"]=>
182  string(1) "X"
183}
184- Sort flag = SORT_REGULAR -
185bool(true)
186array(11) {
187  ["Apple"]=>
188  string(5) "apple"
189  ["B"]=>
190  string(6) "BANANA"
191  ["Lemon"]=>
192  string(5) "lemoN"
193  ["O"]=>
194  string(6) "oraNGe"
195  ["T"]=>
196  string(3) "ttt"
197  ["W"]=>
198  string(2) "ww"
199  ["X"]=>
200  string(1) "x"
201  ["o"]=>
202  string(6) "Orange"
203  ["t"]=>
204  string(4) "TTTT"
205  ["te"]=>
206  string(4) "Test"
207  ["x"]=>
208  string(1) "X"
209}
210- Sort flag = SORT_STRING -
211bool(true)
212array(11) {
213  ["Apple"]=>
214  string(5) "apple"
215  ["B"]=>
216  string(6) "BANANA"
217  ["Lemon"]=>
218  string(5) "lemoN"
219  ["O"]=>
220  string(6) "oraNGe"
221  ["T"]=>
222  string(3) "ttt"
223  ["W"]=>
224  string(2) "ww"
225  ["X"]=>
226  string(1) "x"
227  ["o"]=>
228  string(6) "Orange"
229  ["t"]=>
230  string(4) "TTTT"
231  ["te"]=>
232  string(4) "Test"
233  ["x"]=>
234  string(1) "X"
235}
236Done
237