1--TEST--
2Test array_unshift() function : usage variations - double quoted strings for 'var' 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 * double quoted strings for $var argument that is prepended to the array
13 * passed through $array argument
14*/
15
16echo "*** Testing array_unshift() : double quoted strings for \$var argument ***\n";
17
18// array to be passed to $array argument
19$array = array('f' => "first", "s" => 'second', 1, 2.222);
20
21// different variations of double quoted strings to be passed to $var argument
22$vars = array (
23  "\$ -> This represents the dollar sign. hello dollar!!!",
24  "\t\r\v The quick brown fo\fx jumped over the lazy dog",
25  "This is a text with special chars: \!\@\#\$\%\^\&\*\(\)\\",
26  "hello world\\t",
27  "This is \ta text in bold letters\r\s\malong with slashes\n : HELLO WORLD\t"
28);
29
30// loop through the various elements of $arrays to test array_unshift()
31$iterator = 1;
32foreach($vars as $var) {
33  echo "-- Iteration $iterator --\n";
34  $temp_array = $array;  // assign $array to another temporary $temp_array
35
36  /* with default argument */
37  // returns element count in the resulting array after arguments are pushed to
38  // beginning of the given array
39  var_dump( array_unshift($temp_array, $var) );
40
41// dump the resulting array
42  var_dump($temp_array);
43
44  /* with optional arguments */
45  // returns element count in the resulting array after arguments are pushed to
46  // beginning of the given array
47  $temp_array = $array;
48  var_dump( array_unshift($temp_array, $var, "hello", 'world') );
49
50  // dump the resulting array
51  var_dump($temp_array);
52  $iterator++;
53}
54
55echo "Done";
56?>
57--EXPECTF--
58*** Testing array_unshift() : double quoted strings for $var argument ***
59-- Iteration 1 --
60int(5)
61array(5) {
62  [0]=>
63  string(53) "$ -> This represents the dollar sign. hello dollar!!!"
64  ["f"]=>
65  string(5) "first"
66  ["s"]=>
67  string(6) "second"
68  [1]=>
69  int(1)
70  [2]=>
71  float(2.222)
72}
73int(7)
74array(7) {
75  [0]=>
76  string(53) "$ -> This represents the dollar sign. hello dollar!!!"
77  [1]=>
78  string(5) "hello"
79  [2]=>
80  string(5) "world"
81  ["f"]=>
82  string(5) "first"
83  ["s"]=>
84  string(6) "second"
85  [3]=>
86  int(1)
87  [4]=>
88  float(2.222)
89}
90-- Iteration 2 --
91int(5)
92array(5) {
93  [0]=>
94  string(49) "
94 The quick brown fox jumped over the lazy dog"
95  ["f"]=>
96  string(5) "first"
97  ["s"]=>
98  string(6) "second"
99  [1]=>
100  int(1)
101  [2]=>
102  float(2.222)
103}
104int(7)
105array(7) {
106  [0]=>
107  string(49) "
107 The quick brown fox jumped over the lazy dog"
108  [1]=>
109  string(5) "hello"
110  [2]=>
111  string(5) "world"
112  ["f"]=>
113  string(5) "first"
114  ["s"]=>
115  string(6) "second"
116  [3]=>
117  int(1)
118  [4]=>
119  float(2.222)
120}
121-- Iteration 3 --
122int(5)
123array(5) {
124  [0]=>
125  string(55) "This is a text with special chars: \!\@\#$\%\^\&\*\(\)\"
126  ["f"]=>
127  string(5) "first"
128  ["s"]=>
129  string(6) "second"
130  [1]=>
131  int(1)
132  [2]=>
133  float(2.222)
134}
135int(7)
136array(7) {
137  [0]=>
138  string(55) "This is a text with special chars: \!\@\#$\%\^\&\*\(\)\"
139  [1]=>
140  string(5) "hello"
141  [2]=>
142  string(5) "world"
143  ["f"]=>
144  string(5) "first"
145  ["s"]=>
146  string(6) "second"
147  [3]=>
148  int(1)
149  [4]=>
150  float(2.222)
151}
152-- Iteration 4 --
153int(5)
154array(5) {
155  [0]=>
156  string(13) "hello world\t"
157  ["f"]=>
158  string(5) "first"
159  ["s"]=>
160  string(6) "second"
161  [1]=>
162  int(1)
163  [2]=>
164  float(2.222)
165}
166int(7)
167array(7) {
168  [0]=>
169  string(13) "hello world\t"
170  [1]=>
171  string(5) "hello"
172  [2]=>
173  string(5) "world"
174  ["f"]=>
175  string(5) "first"
176  ["s"]=>
177  string(6) "second"
178  [3]=>
179  int(1)
180  [4]=>
181  float(2.222)
182}
183-- Iteration 5 --
184int(5)
185array(5) {
186  [0]=>
187  string(70) "This is 	a text in bold letters
187\s\malong with slashes
188 : HELLO WORLD	"
189  ["f"]=>
190  string(5) "first"
191  ["s"]=>
192  string(6) "second"
193  [1]=>
194  int(1)
195  [2]=>
196  float(2.222)
197}
198int(7)
199array(7) {
200  [0]=>
201  string(70) "This is 	a text in bold letters
201\s\malong with slashes
202 : HELLO WORLD	"
203  [1]=>
204  string(5) "hello"
205  [2]=>
206  string(5) "world"
207  ["f"]=>
208  string(5) "first"
209  ["s"]=>
210  string(6) "second"
211  [3]=>
212  int(1)
213  [4]=>
214  float(2.222)
215}
216Done
217