1--TEST--
2Test array_unshift() function : usage variations - assoc. array with diff. keys for 'array' argument
3--FILE--
4<?php
5/* Prototype  : int array_unshift(array $array, mixed $var [, mixed ...])
6 * Description: Pushes elements onto the beginning of the array
7 * Source code: ext/standard/array.c
8*/
9
10/*
11 * Testing the functionality of array_unshift() by passing different
12 * associative arrays having different possible keys to $array argument.
13 * The $var argument passed is a fixed value
14*/
15
16echo "*** Testing array_unshift() : associative array with different keys ***\n";
17
18//get an unset variable
19$unset_var = 10;
20unset ($unset_var);
21
22//get a resource variable
23$fp = fopen(__FILE__, "r");
24
25//get a class
26class classA
27{
28  public function __toString(){
29    return "Class A object";
30  }
31}
32
33// get a heredoc string
34$heredoc = <<<EOT
35Hello world
36EOT;
37
38// initializing $var argument
39$var = 10;
40
41// different variations of associative arrays to be passed to $array argument
42$arrays = array (
43
44       // empty array
45/*1*/  array(),
46
47       // arrays with integer keys
48       array(0 => "0"),
49       array(1 => "1"),
50       array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
51
52       // arrays with float keys
53/*5*/  array(2.3333 => "float"),
54       array(1.2 => "f1", 3.33 => "f2",
55             4.89999922839999 => "f3",
56             33333333.333333 => "f4"),
57
58       // arrays with string keys
59/*7*/  array('\tHello' => 111, 're\td' => "color",
60             '\v\fworld' => 2.2, 'pen\n' => 33),
61       array("\tHello" => 111, "re\td" => "color",
62             "\v\fworld" => 2.2, "pen\n" => 33),
63       array("hello", $heredoc => "string"), // heredoc
64
65       // array with object, unset variable and resource variable
66       array(new classA() => 11, @$unset_var => "hello", $fp => 'resource'),
67
68       // array with mixed keys
69/*11*/ array('hello' => 1, new classA() => 2, "fruit" => 2.2,
70             $fp => 'resource', 133 => "int", 444.432 => "float",
71             @$unset_var => "unset", $heredoc => "heredoc")
72);
73
74// loop through the various elements of $arrays to test array_unshift()
75$iterator = 1;
76foreach($arrays as $array) {
77  echo "-- Iteration $iterator --\n";
78
79  /* with default argument */
80  // returns element count in the resulting array after arguments are pushed to
81  // beginning of the given array
82  $temp_array = $array;
83  var_dump( array_unshift($temp_array, $var) );
84
85  // dump the resulting array
86  var_dump($temp_array);
87
88  /* with optional arguments */
89  // returns element count in the resulting array after arguments are pushed to
90  // beginning of the given array
91  $temp_array = $array;
92  var_dump( array_unshift($temp_array, $var, "hello", 'world') );
93
94  // dump the resulting array
95  var_dump($temp_array);
96  $iterator++;
97}
98
99echo "Done";
100?>
101--EXPECTF--
102*** Testing array_unshift() : associative array with different keys ***
103
104Warning: Illegal offset type in %s on line %d
105
106Warning: Illegal offset type in %s on line %d
107
108Warning: Illegal offset type in %s on line %d
109
110Warning: Illegal offset type in %s on line %d
111-- Iteration 1 --
112int(1)
113array(1) {
114  [0]=>
115  int(10)
116}
117int(3)
118array(3) {
119  [0]=>
120  int(10)
121  [1]=>
122  string(5) "hello"
123  [2]=>
124  string(5) "world"
125}
126-- Iteration 2 --
127int(2)
128array(2) {
129  [0]=>
130  int(10)
131  [1]=>
132  string(1) "0"
133}
134int(4)
135array(4) {
136  [0]=>
137  int(10)
138  [1]=>
139  string(5) "hello"
140  [2]=>
141  string(5) "world"
142  [3]=>
143  string(1) "0"
144}
145-- Iteration 3 --
146int(2)
147array(2) {
148  [0]=>
149  int(10)
150  [1]=>
151  string(1) "1"
152}
153int(4)
154array(4) {
155  [0]=>
156  int(10)
157  [1]=>
158  string(5) "hello"
159  [2]=>
160  string(5) "world"
161  [3]=>
162  string(1) "1"
163}
164-- Iteration 4 --
165int(5)
166array(5) {
167  [0]=>
168  int(10)
169  [1]=>
170  string(1) "1"
171  [2]=>
172  string(1) "2"
173  [3]=>
174  string(1) "3"
175  [4]=>
176  string(1) "4"
177}
178int(7)
179array(7) {
180  [0]=>
181  int(10)
182  [1]=>
183  string(5) "hello"
184  [2]=>
185  string(5) "world"
186  [3]=>
187  string(1) "1"
188  [4]=>
189  string(1) "2"
190  [5]=>
191  string(1) "3"
192  [6]=>
193  string(1) "4"
194}
195-- Iteration 5 --
196int(2)
197array(2) {
198  [0]=>
199  int(10)
200  [1]=>
201  string(5) "float"
202}
203int(4)
204array(4) {
205  [0]=>
206  int(10)
207  [1]=>
208  string(5) "hello"
209  [2]=>
210  string(5) "world"
211  [3]=>
212  string(5) "float"
213}
214-- Iteration 6 --
215int(5)
216array(5) {
217  [0]=>
218  int(10)
219  [1]=>
220  string(2) "f1"
221  [2]=>
222  string(2) "f2"
223  [3]=>
224  string(2) "f3"
225  [4]=>
226  string(2) "f4"
227}
228int(7)
229array(7) {
230  [0]=>
231  int(10)
232  [1]=>
233  string(5) "hello"
234  [2]=>
235  string(5) "world"
236  [3]=>
237  string(2) "f1"
238  [4]=>
239  string(2) "f2"
240  [5]=>
241  string(2) "f3"
242  [6]=>
243  string(2) "f4"
244}
245-- Iteration 7 --
246int(5)
247array(5) {
248  [0]=>
249  int(10)
250  ["\tHello"]=>
251  int(111)
252  ["re\td"]=>
253  string(5) "color"
254  ["\v\fworld"]=>
255  float(2.2)
256  ["pen\n"]=>
257  int(33)
258}
259int(7)
260array(7) {
261  [0]=>
262  int(10)
263  [1]=>
264  string(5) "hello"
265  [2]=>
266  string(5) "world"
267  ["\tHello"]=>
268  int(111)
269  ["re\td"]=>
270  string(5) "color"
271  ["\v\fworld"]=>
272  float(2.2)
273  ["pen\n"]=>
274  int(33)
275}
276-- Iteration 8 --
277int(5)
278array(5) {
279  [0]=>
280  int(10)
281  ["	Hello"]=>
282  int(111)
283  ["re	d"]=>
284  string(5) "color"
285  ["world"]=>
286  float(2.2)
287  ["pen
288"]=>
289  int(33)
290}
291int(7)
292array(7) {
293  [0]=>
294  int(10)
295  [1]=>
296  string(5) "hello"
297  [2]=>
298  string(5) "world"
299  ["	Hello"]=>
300  int(111)
301  ["re	d"]=>
302  string(5) "color"
303  ["world"]=>
304  float(2.2)
305  ["pen
306"]=>
307  int(33)
308}
309-- Iteration 9 --
310int(3)
311array(3) {
312  [0]=>
313  int(10)
314  [1]=>
315  string(5) "hello"
316  ["Hello world"]=>
317  string(6) "string"
318}
319int(5)
320array(5) {
321  [0]=>
322  int(10)
323  [1]=>
324  string(5) "hello"
325  [2]=>
326  string(5) "world"
327  [3]=>
328  string(5) "hello"
329  ["Hello world"]=>
330  string(6) "string"
331}
332-- Iteration 10 --
333int(2)
334array(2) {
335  [0]=>
336  int(10)
337  [""]=>
338  string(5) "hello"
339}
340int(4)
341array(4) {
342  [0]=>
343  int(10)
344  [1]=>
345  string(5) "hello"
346  [2]=>
347  string(5) "world"
348  [""]=>
349  string(5) "hello"
350}
351-- Iteration 11 --
352int(7)
353array(7) {
354  [0]=>
355  int(10)
356  ["hello"]=>
357  int(1)
358  ["fruit"]=>
359  float(2.2)
360  [1]=>
361  string(3) "int"
362  [2]=>
363  string(5) "float"
364  [""]=>
365  string(5) "unset"
366  ["Hello world"]=>
367  string(7) "heredoc"
368}
369int(9)
370array(9) {
371  [0]=>
372  int(10)
373  [1]=>
374  string(5) "hello"
375  [2]=>
376  string(5) "world"
377  ["hello"]=>
378  int(1)
379  ["fruit"]=>
380  float(2.2)
381  [3]=>
382  string(3) "int"
383  [4]=>
384  string(5) "float"
385  [""]=>
386  string(5) "unset"
387  ["Hello world"]=>
388  string(7) "heredoc"
389}
390Done
391