1--TEST--
2Test array_merge() function : usage variations - Pass different data types as $arr2 arg
3--FILE--
4<?php
5/* Prototype  : array array_merge(array $arr1, array $arr2 [, array $...])
6 * Description: Merges elements from passed arrays into one array
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Pass different data types as $arr2 argument to array_merge() to test behaviour
12 */
13
14echo "*** Testing array_merge() : usage variations ***\n";
15
16// Initialise function arguments not being substituted
17$arr1 = array (1, 2);
18
19//get an unset variable
20$unset_var = 10;
21unset ($unset_var);
22
23// get a class
24class classA
25{
26  public function __toString() {
27    return "Class A object";
28  }
29}
30
31// heredoc string
32$heredoc = <<<EOT
33hello world
34EOT;
35
36// get a resource variable
37$fp = fopen(__FILE__, "r");
38
39// unexpected values to be passed to $arr2 argument
40$inputs = array(
41
42       // int data
43/*1*/  0,
44       1,
45       12345,
46       -2345,
47
48       // float data
49/*5*/  10.5,
50       -10.5,
51       12.3456789000e10,
52       12.3456789000E-10,
53       .5,
54
55       // null data
56/*10*/ NULL,
57       null,
58
59       // boolean data
60/*12*/ true,
61       false,
62       TRUE,
63       FALSE,
64
65       // empty data
66/*16*/ "",
67       '',
68       array(),
69
70       // string data
71/*19*/ "string",
72       'string',
73       $heredoc,
74
75       // object data
76/*22*/ new classA(),
77
78       // undefined data
79/*23*/ @$undefined_var,
80
81       // unset data
82/*24*/ @$unset_var,
83
84       // resource variable
85/*25*/ $fp
86);
87
88// loop through each element of $inputs to check the behavior of array_merge()
89$iterator = 1;
90foreach($inputs as $input) {
91  echo "\n-- Iteration $iterator --\n";
92  var_dump( array_merge($arr1, $input) );
93  $iterator++;
94};
95
96fclose($fp);
97
98echo "Done";
99?>
100--EXPECTF--
101*** Testing array_merge() : usage variations ***
102
103-- Iteration 1 --
104
105Warning: array_merge(): Expected parameter 2 to be an array, int given in %s on line %d
106NULL
107
108-- Iteration 2 --
109
110Warning: array_merge(): Expected parameter 2 to be an array, int given in %s on line %d
111NULL
112
113-- Iteration 3 --
114
115Warning: array_merge(): Expected parameter 2 to be an array, int given in %s on line %d
116NULL
117
118-- Iteration 4 --
119
120Warning: array_merge(): Expected parameter 2 to be an array, int given in %s on line %d
121NULL
122
123-- Iteration 5 --
124
125Warning: array_merge(): Expected parameter 2 to be an array, float given in %s on line %d
126NULL
127
128-- Iteration 6 --
129
130Warning: array_merge(): Expected parameter 2 to be an array, float given in %s on line %d
131NULL
132
133-- Iteration 7 --
134
135Warning: array_merge(): Expected parameter 2 to be an array, float given in %s on line %d
136NULL
137
138-- Iteration 8 --
139
140Warning: array_merge(): Expected parameter 2 to be an array, float given in %s on line %d
141NULL
142
143-- Iteration 9 --
144
145Warning: array_merge(): Expected parameter 2 to be an array, float given in %s on line %d
146NULL
147
148-- Iteration 10 --
149
150Warning: array_merge(): Expected parameter 2 to be an array, null given in %s on line %d
151NULL
152
153-- Iteration 11 --
154
155Warning: array_merge(): Expected parameter 2 to be an array, null given in %s on line %d
156NULL
157
158-- Iteration 12 --
159
160Warning: array_merge(): Expected parameter 2 to be an array, bool given in %s on line %d
161NULL
162
163-- Iteration 13 --
164
165Warning: array_merge(): Expected parameter 2 to be an array, bool given in %s on line %d
166NULL
167
168-- Iteration 14 --
169
170Warning: array_merge(): Expected parameter 2 to be an array, bool given in %s on line %d
171NULL
172
173-- Iteration 15 --
174
175Warning: array_merge(): Expected parameter 2 to be an array, bool given in %s on line %d
176NULL
177
178-- Iteration 16 --
179
180Warning: array_merge(): Expected parameter 2 to be an array, string given in %s on line %d
181NULL
182
183-- Iteration 17 --
184
185Warning: array_merge(): Expected parameter 2 to be an array, string given in %s on line %d
186NULL
187
188-- Iteration 18 --
189array(2) {
190  [0]=>
191  int(1)
192  [1]=>
193  int(2)
194}
195
196-- Iteration 19 --
197
198Warning: array_merge(): Expected parameter 2 to be an array, string given in %s on line %d
199NULL
200
201-- Iteration 20 --
202
203Warning: array_merge(): Expected parameter 2 to be an array, string given in %s on line %d
204NULL
205
206-- Iteration 21 --
207
208Warning: array_merge(): Expected parameter 2 to be an array, string given in %s on line %d
209NULL
210
211-- Iteration 22 --
212
213Warning: array_merge(): Expected parameter 2 to be an array, object given in %s on line %d
214NULL
215
216-- Iteration 23 --
217
218Warning: array_merge(): Expected parameter 2 to be an array, null given in %s on line %d
219NULL
220
221-- Iteration 24 --
222
223Warning: array_merge(): Expected parameter 2 to be an array, null given in %s on line %d
224NULL
225
226-- Iteration 25 --
227
228Warning: array_merge(): Expected parameter 2 to be an array, resource given in %s on line %d
229NULL
230Done
231