1--TEST--
2Test array_diff() function : usage variations - unexpected values for 'array2' argument
3--FILE--
4<?php
5/*
6 * Test array_diff by passing non array values in place of $array2
7 */
8
9echo "*** Testing array_diff() : usage variations ***\n";
10
11$array = array(1, 2, 3);
12
13//get an unset variable
14$unset_var = 10;
15unset ($unset_var);
16
17// get a class
18class classA
19{
20  public function __toString() {
21    return "Class A object";
22  }
23}
24
25// heredoc string
26$heredoc = <<<EOT
27hello world
28EOT;
29
30// get a resource variable
31$fp = fopen(__FILE__, "r");
32
33// unexpected values to be passed to $input argument
34$inputs = array(
35
36       // int data
37/*1*/  0,
38       1,
39       12345,
40       -2345,
41
42       // float data
43/*5*/  10.5,
44       -10.5,
45       12.3456789000e10,
46       12.3456789000E-10,
47       .5,
48
49       // null data
50/*10*/ NULL,
51       null,
52
53       // boolean data
54/*12*/ true,
55       false,
56       TRUE,
57       FALSE,
58
59       // empty data
60/*16*/ "",
61       '',
62
63       // string data
64/*18*/ "string",
65       'string',
66       $heredoc,
67
68       // binary data
69/*21*/ b"binary",
70       (binary)"binary",
71
72       // object data
73/*23*/ new classA(),
74
75       // undefined data
76/*24*/ @$undefined_var,
77
78       // unset data
79/*25*/ @$unset_var,
80
81       // resource variable
82/*26*/ $fp
83);
84
85// loop through each element of $inputs to check the behavior of array_diff
86$iterator = 1;
87foreach($inputs as $input) {
88    echo "\n-- Iteration $iterator --";
89    try {
90        var_dump( array_diff($array, $input));
91    } catch (TypeError $e) {
92        echo $e->getMessage(), "\n";
93    }
94    $iterator++;
95};
96fclose($fp);
97echo "Done";
98?>
99--EXPECT--
100*** Testing array_diff() : usage variations ***
101
102-- Iteration 1 --array_diff(): Argument #2 must be of type array, int given
103
104-- Iteration 2 --array_diff(): Argument #2 must be of type array, int given
105
106-- Iteration 3 --array_diff(): Argument #2 must be of type array, int given
107
108-- Iteration 4 --array_diff(): Argument #2 must be of type array, int given
109
110-- Iteration 5 --array_diff(): Argument #2 must be of type array, float given
111
112-- Iteration 6 --array_diff(): Argument #2 must be of type array, float given
113
114-- Iteration 7 --array_diff(): Argument #2 must be of type array, float given
115
116-- Iteration 8 --array_diff(): Argument #2 must be of type array, float given
117
118-- Iteration 9 --array_diff(): Argument #2 must be of type array, float given
119
120-- Iteration 10 --array_diff(): Argument #2 must be of type array, null given
121
122-- Iteration 11 --array_diff(): Argument #2 must be of type array, null given
123
124-- Iteration 12 --array_diff(): Argument #2 must be of type array, true given
125
126-- Iteration 13 --array_diff(): Argument #2 must be of type array, false given
127
128-- Iteration 14 --array_diff(): Argument #2 must be of type array, true given
129
130-- Iteration 15 --array_diff(): Argument #2 must be of type array, false given
131
132-- Iteration 16 --array_diff(): Argument #2 must be of type array, string given
133
134-- Iteration 17 --array_diff(): Argument #2 must be of type array, string given
135
136-- Iteration 18 --array_diff(): Argument #2 must be of type array, string given
137
138-- Iteration 19 --array_diff(): Argument #2 must be of type array, string given
139
140-- Iteration 20 --array_diff(): Argument #2 must be of type array, string given
141
142-- Iteration 21 --array_diff(): Argument #2 must be of type array, string given
143
144-- Iteration 22 --array_diff(): Argument #2 must be of type array, string given
145
146-- Iteration 23 --array_diff(): Argument #2 must be of type array, classA given
147
148-- Iteration 24 --array_diff(): Argument #2 must be of type array, null given
149
150-- Iteration 25 --array_diff(): Argument #2 must be of type array, null given
151
152-- Iteration 26 --array_diff(): Argument #2 must be of type array, resource given
153Done
154