1--TEST--
2Test each() function : usage variations - Pass different data types as $arr arg
3--FILE--
4<?php
5/* Prototype  : array each(array $arr)
6 * Description: Return the currently pointed key..value pair in the passed array,
7 * and advance the pointer to the next element
8 * Source code: Zend/zend_builtin_functions.c
9 */
10
11/*
12 * Pass different data types as $arr arg to each() to test behaviour
13 */
14
15echo "*** Testing each() : usage variations ***\n";
16
17//get an unset variable
18$unset_var = 10;
19unset ($unset_var);
20
21// get a class
22class classA
23{
24  public function __toString() {
25    return "Class A object";
26  }
27}
28
29// heredoc string
30$heredoc = <<<EOT
31hello world
32EOT;
33
34// get a resource variable
35$fp = fopen(__FILE__, "r");
36
37// unexpected values to be passed to $arr argument
38$inputs = array(
39
40       // int data
41/*1*/  0,
42       1,
43       12345,
44       -2345,
45
46       // float data
47/*5*/  10.5,
48       -10.5,
49       12.3456789000e10,
50       12.3456789000E-10,
51       .5,
52
53       // null data
54/*10*/ NULL,
55       null,
56
57       // boolean data
58/*12*/ true,
59       false,
60       TRUE,
61       FALSE,
62
63       // empty data
64/*16*/ "",
65       '',
66       array(),
67
68       // string data
69/*19*/ "string",
70       'string',
71       $heredoc,
72
73       // object data
74/*22*/ new classA(),
75
76       // undefined data
77/*23*/ @$undefined_var,
78
79       // unset data
80/*24*/ @$unset_var,
81
82       // resource variable
83/*25*/ $fp
84);
85
86// loop through each element of $inputs to check the behavior of each()
87$iterator = 1;
88foreach($inputs as $input) {
89  echo "\n-- Iteration $iterator --\n";
90  var_dump( each($input) );
91  $iterator++;
92};
93
94fclose($fp);
95
96echo "Done";
97?>
98--EXPECTF--
99*** Testing each() : usage variations ***
100
101-- Iteration 1 --
102
103Warning: Variable passed to each() is not an array or object in %s on line %d
104NULL
105
106-- Iteration 2 --
107
108Warning: Variable passed to each() is not an array or object in %s on line %d
109NULL
110
111-- Iteration 3 --
112
113Warning: Variable passed to each() is not an array or object in %s on line %d
114NULL
115
116-- Iteration 4 --
117
118Warning: Variable passed to each() is not an array or object in %s on line %d
119NULL
120
121-- Iteration 5 --
122
123Warning: Variable passed to each() is not an array or object in %s on line %d
124NULL
125
126-- Iteration 6 --
127
128Warning: Variable passed to each() is not an array or object in %s on line %d
129NULL
130
131-- Iteration 7 --
132
133Warning: Variable passed to each() is not an array or object in %s on line %d
134NULL
135
136-- Iteration 8 --
137
138Warning: Variable passed to each() is not an array or object in %s on line %d
139NULL
140
141-- Iteration 9 --
142
143Warning: Variable passed to each() is not an array or object in %s on line %d
144NULL
145
146-- Iteration 10 --
147
148Warning: Variable passed to each() is not an array or object in %s on line %d
149NULL
150
151-- Iteration 11 --
152
153Warning: Variable passed to each() is not an array or object in %s on line %d
154NULL
155
156-- Iteration 12 --
157
158Warning: Variable passed to each() is not an array or object in %s on line %d
159NULL
160
161-- Iteration 13 --
162
163Warning: Variable passed to each() is not an array or object in %s on line %d
164NULL
165
166-- Iteration 14 --
167
168Warning: Variable passed to each() is not an array or object in %s on line %d
169NULL
170
171-- Iteration 15 --
172
173Warning: Variable passed to each() is not an array or object in %s on line %d
174NULL
175
176-- Iteration 16 --
177
178Warning: Variable passed to each() is not an array or object in %s on line %d
179NULL
180
181-- Iteration 17 --
182
183Warning: Variable passed to each() is not an array or object in %s on line %d
184NULL
185
186-- Iteration 18 --
187bool(false)
188
189-- Iteration 19 --
190
191Warning: Variable passed to each() is not an array or object in %s on line %d
192NULL
193
194-- Iteration 20 --
195
196Warning: Variable passed to each() is not an array or object in %s on line %d
197NULL
198
199-- Iteration 21 --
200
201Warning: Variable passed to each() is not an array or object in %s on line %d
202NULL
203
204-- Iteration 22 --
205bool(false)
206
207-- Iteration 23 --
208
209Warning: Variable passed to each() is not an array or object in %s on line %d
210NULL
211
212-- Iteration 24 --
213
214Warning: Variable passed to each() is not an array or object in %s on line %d
215NULL
216
217-- Iteration 25 --
218
219Warning: Variable passed to each() is not an array or object in %s on line %d
220NULL
221Done
222