1--TEST--
2Test array_flip() function : usage variations - unexpected values for 'input' argument
3--FILE--
4<?php
5/* Prototype  : array array_flip(array $input)
6 * Description: Return array with key <-> value flipped
7 * Source code: ext/standard/array.c
8*/
9
10echo "*** Testing array_flip() : usage variations - unexpected values for 'input' ***\n";
11
12//get an unset variable
13$unset_var = 10;
14unset ($unset_var);
15
16//class definition for object variable
17class MyClass
18{
19  public function __toString()
20  {
21     return 'object';
22  }
23}
24
25//resource variable
26$fp = fopen(__FILE__,'r');
27
28//array of values for 'input' argument
29$values = array(
30          // int data
31  /*1*/   0,
32          1,
33          12345,
34          -2345,
35
36          // float data
37  /*5*/   10.5,
38          -10.5,
39          10.5e10,
40          10.6E-10,
41          .5,
42
43          // null data
44  /*10*/  NULL,
45          null,
46
47          // boolean data
48  /*12*/  true,
49          false,
50          TRUE,
51  /*15*/  FALSE,
52
53          // empty data
54          "",
55          '',
56
57          // string data
58          "string",
59          'string',
60
61          // object data
62  /*20*/  new MyClass(),
63
64          // undefined data
65          @$undefined_var,
66
67          // unset data
68          @$unset_var,
69
70          //resource data
71  /*23*/  $fp
72);
73
74// loop through each element of $values for 'input' argument
75for($count = 0; $count < count($values); $count++) {
76  echo "-- Iteration ".($count + 1). " --\n";
77  var_dump( array_flip($values[$count]) );
78};
79
80//closing resource
81fclose($fp);
82
83echo "Done"
84?>
85--EXPECTF--
86*** Testing array_flip() : usage variations - unexpected values for 'input' ***
87-- Iteration 1 --
88
89Warning: array_flip() expects parameter 1 to be array, int given in %s on line %d
90NULL
91-- Iteration 2 --
92
93Warning: array_flip() expects parameter 1 to be array, int given in %s on line %d
94NULL
95-- Iteration 3 --
96
97Warning: array_flip() expects parameter 1 to be array, int given in %s on line %d
98NULL
99-- Iteration 4 --
100
101Warning: array_flip() expects parameter 1 to be array, int given in %s on line %d
102NULL
103-- Iteration 5 --
104
105Warning: array_flip() expects parameter 1 to be array, float given in %s on line %d
106NULL
107-- Iteration 6 --
108
109Warning: array_flip() expects parameter 1 to be array, float given in %s on line %d
110NULL
111-- Iteration 7 --
112
113Warning: array_flip() expects parameter 1 to be array, float given in %s on line %d
114NULL
115-- Iteration 8 --
116
117Warning: array_flip() expects parameter 1 to be array, float given in %s on line %d
118NULL
119-- Iteration 9 --
120
121Warning: array_flip() expects parameter 1 to be array, float given in %s on line %d
122NULL
123-- Iteration 10 --
124
125Warning: array_flip() expects parameter 1 to be array, null given in %s on line %d
126NULL
127-- Iteration 11 --
128
129Warning: array_flip() expects parameter 1 to be array, null given in %s on line %d
130NULL
131-- Iteration 12 --
132
133Warning: array_flip() expects parameter 1 to be array, bool given in %s on line %d
134NULL
135-- Iteration 13 --
136
137Warning: array_flip() expects parameter 1 to be array, bool given in %s on line %d
138NULL
139-- Iteration 14 --
140
141Warning: array_flip() expects parameter 1 to be array, bool given in %s on line %d
142NULL
143-- Iteration 15 --
144
145Warning: array_flip() expects parameter 1 to be array, bool given in %s on line %d
146NULL
147-- Iteration 16 --
148
149Warning: array_flip() expects parameter 1 to be array, string given in %s on line %d
150NULL
151-- Iteration 17 --
152
153Warning: array_flip() expects parameter 1 to be array, string given in %s on line %d
154NULL
155-- Iteration 18 --
156
157Warning: array_flip() expects parameter 1 to be array, string given in %s on line %d
158NULL
159-- Iteration 19 --
160
161Warning: array_flip() expects parameter 1 to be array, string given in %s on line %d
162NULL
163-- Iteration 20 --
164
165Warning: array_flip() expects parameter 1 to be array, object given in %s on line %d
166NULL
167-- Iteration 21 --
168
169Warning: array_flip() expects parameter 1 to be array, null given in %s on line %d
170NULL
171-- Iteration 22 --
172
173Warning: array_flip() expects parameter 1 to be array, null given in %s on line %d
174NULL
175-- Iteration 23 --
176
177Warning: array_flip() expects parameter 1 to be array, resource given in %s on line %d
178NULL
179Done
180