1--TEST--
2Test array_unique() function : usage variations - unexpected values for 'input' argument
3--FILE--
4<?php
5/* Prototype  : array array_unique(array $input)
6 * Description: Removes duplicate values from array
7 * Source code: ext/standard/array.c
8*/
9
10/*
11 * Passing non array values to 'input' argument of array_unique() and see
12 * that the function outputs proper warning messages wherever expected.
13*/
14
15echo "*** Testing array_unique() : Passing non array values to \$input argument ***\n";
16
17//get an unset variable
18$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 $input argument
38$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
67       // string data
68/*18*/ "string",
69       'string',
70       $heredoc,
71
72       // object data
73/*21*/ new classA(),
74
75       // undefined data
76/*22*/ @$undefined_var,
77
78       // unset data
79/*23*/ @$unset_var,
80
81       // resource variable
82/*24*/ $fp
83);
84
85// loop through each element of $inputs and check the behavior of array_unique()
86$iterator = 1;
87foreach($inputs as $input) {
88  echo "-- Iteration $iterator --\n";
89  var_dump( array_unique($input) );
90  $iterator++;
91}
92
93fclose($fp);
94
95echo "Done";
96?>
97--EXPECTF--
98*** Testing array_unique() : Passing non array values to $input argument ***
99-- Iteration 1 --
100
101Warning: array_unique() expects parameter 1 to be array, integer given in %s on line %d
102NULL
103-- Iteration 2 --
104
105Warning: array_unique() expects parameter 1 to be array, integer given in %s on line %d
106NULL
107-- Iteration 3 --
108
109Warning: array_unique() expects parameter 1 to be array, integer given in %s on line %d
110NULL
111-- Iteration 4 --
112
113Warning: array_unique() expects parameter 1 to be array, integer given in %s on line %d
114NULL
115-- Iteration 5 --
116
117Warning: array_unique() expects parameter 1 to be array, double given in %s on line %d
118NULL
119-- Iteration 6 --
120
121Warning: array_unique() expects parameter 1 to be array, double given in %s on line %d
122NULL
123-- Iteration 7 --
124
125Warning: array_unique() expects parameter 1 to be array, double given in %s on line %d
126NULL
127-- Iteration 8 --
128
129Warning: array_unique() expects parameter 1 to be array, double given in %s on line %d
130NULL
131-- Iteration 9 --
132
133Warning: array_unique() expects parameter 1 to be array, double given in %s on line %d
134NULL
135-- Iteration 10 --
136
137Warning: array_unique() expects parameter 1 to be array, null given in %s on line %d
138NULL
139-- Iteration 11 --
140
141Warning: array_unique() expects parameter 1 to be array, null given in %s on line %d
142NULL
143-- Iteration 12 --
144
145Warning: array_unique() expects parameter 1 to be array, boolean given in %s on line %d
146NULL
147-- Iteration 13 --
148
149Warning: array_unique() expects parameter 1 to be array, boolean given in %s on line %d
150NULL
151-- Iteration 14 --
152
153Warning: array_unique() expects parameter 1 to be array, boolean given in %s on line %d
154NULL
155-- Iteration 15 --
156
157Warning: array_unique() expects parameter 1 to be array, boolean given in %s on line %d
158NULL
159-- Iteration 16 --
160
161Warning: array_unique() expects parameter 1 to be array, string given in %s on line %d
162NULL
163-- Iteration 17 --
164
165Warning: array_unique() expects parameter 1 to be array, string given in %s on line %d
166NULL
167-- Iteration 18 --
168
169Warning: array_unique() expects parameter 1 to be array, string given in %s on line %d
170NULL
171-- Iteration 19 --
172
173Warning: array_unique() expects parameter 1 to be array, string given in %s on line %d
174NULL
175-- Iteration 20 --
176
177Warning: array_unique() expects parameter 1 to be array, string given in %s on line %d
178NULL
179-- Iteration 21 --
180
181Warning: array_unique() expects parameter 1 to be array, object given in %s on line %d
182NULL
183-- Iteration 22 --
184
185Warning: array_unique() expects parameter 1 to be array, null given in %s on line %d
186NULL
187-- Iteration 23 --
188
189Warning: array_unique() expects parameter 1 to be array, null given in %s on line %d
190NULL
191-- Iteration 24 --
192
193Warning: array_unique() expects parameter 1 to be array, resource given in %s on line %d
194NULL
195Done
196