1--TEST--
2Test array_diff() function : usage variations - unexpected values for 'arr1' argument
3--FILE--
4<?php
5/* Prototype  : array array_diff(array $arr1, array $arr2 [, array ...])
6 * Description: Returns the entries of $arr1 that have values which are not
7 * present in any of the others arguments.
8 * Source code: ext/standard/array.c
9 */
10
11/*
12 * Test array_diff by passing non array values in place of $arr1
13 */
14
15echo "*** Testing array_diff() : usage variations ***\n";
16
17$array = array(1, 2, 3);
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 $input argument
40$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
69       // string data
70/*18*/ "string",
71       'string',
72       $heredoc,
73
74       // binary data
75/*21*/ b"binary",
76	   (binary)"binary",
77
78       // object data
79/*23*/ new classA(),
80
81       // undefined data
82/*24*/ @$undefined_var,
83
84       // unset data
85/*25*/ @$unset_var,
86
87       // resource variable
88/*26*/ $fp
89);
90
91// loop through each element of $inputs to check the behavior of array_diff
92$iterator = 1;
93foreach($inputs as $input) {
94  echo "\n-- Iteration $iterator --";
95  var_dump( array_diff($input, $array));
96  $iterator++;
97};
98
99fclose($fp);
100echo "Done";
101?>
102--EXPECTF--
103*** Testing array_diff() : usage variations ***
104
105-- Iteration 1 --
106Warning: array_diff(): Argument #1 is not an array in %s on line %d
107NULL
108
109-- Iteration 2 --
110Warning: array_diff(): Argument #1 is not an array in %s on line %d
111NULL
112
113-- Iteration 3 --
114Warning: array_diff(): Argument #1 is not an array in %s on line %d
115NULL
116
117-- Iteration 4 --
118Warning: array_diff(): Argument #1 is not an array in %s on line %d
119NULL
120
121-- Iteration 5 --
122Warning: array_diff(): Argument #1 is not an array in %s on line %d
123NULL
124
125-- Iteration 6 --
126Warning: array_diff(): Argument #1 is not an array in %s on line %d
127NULL
128
129-- Iteration 7 --
130Warning: array_diff(): Argument #1 is not an array in %s on line %d
131NULL
132
133-- Iteration 8 --
134Warning: array_diff(): Argument #1 is not an array in %s on line %d
135NULL
136
137-- Iteration 9 --
138Warning: array_diff(): Argument #1 is not an array in %s on line %d
139NULL
140
141-- Iteration 10 --
142Warning: array_diff(): Argument #1 is not an array in %s on line %d
143NULL
144
145-- Iteration 11 --
146Warning: array_diff(): Argument #1 is not an array in %s on line %d
147NULL
148
149-- Iteration 12 --
150Warning: array_diff(): Argument #1 is not an array in %s on line %d
151NULL
152
153-- Iteration 13 --
154Warning: array_diff(): Argument #1 is not an array in %s on line %d
155NULL
156
157-- Iteration 14 --
158Warning: array_diff(): Argument #1 is not an array in %s on line %d
159NULL
160
161-- Iteration 15 --
162Warning: array_diff(): Argument #1 is not an array in %s on line %d
163NULL
164
165-- Iteration 16 --
166Warning: array_diff(): Argument #1 is not an array in %s on line %d
167NULL
168
169-- Iteration 17 --
170Warning: array_diff(): Argument #1 is not an array in %s on line %d
171NULL
172
173-- Iteration 18 --
174Warning: array_diff(): Argument #1 is not an array in %s on line %d
175NULL
176
177-- Iteration 19 --
178Warning: array_diff(): Argument #1 is not an array in %s on line %d
179NULL
180
181-- Iteration 20 --
182Warning: array_diff(): Argument #1 is not an array in %s on line %d
183NULL
184
185-- Iteration 21 --
186Warning: array_diff(): Argument #1 is not an array in %s on line %d
187NULL
188
189-- Iteration 22 --
190Warning: array_diff(): Argument #1 is not an array in %s on line %d
191NULL
192
193-- Iteration 23 --
194Warning: array_diff(): Argument #1 is not an array in %s on line %d
195NULL
196
197-- Iteration 24 --
198Warning: array_diff(): Argument #1 is not an array in %s on line %d
199NULL
200
201-- Iteration 25 --
202Warning: array_diff(): Argument #1 is not an array in %s on line %d
203NULL
204
205-- Iteration 26 --
206Warning: array_diff(): Argument #1 is not an array in %s on line %d
207NULL
208Done
209