1--TEST--
2Test array_slice() function : usage variations - Pass different data types as $input arg
3--FILE--
4<?php
5/* Prototype  : array array_slice(array $input, int $offset [, int $length [, bool $preserve_keys]])
6 * Description: Returns elements specified by offset and length
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Pass different arguments as $input argument to array_slice() to test behaviour
12 */
13
14echo "*** Testing array_slice() : usage variations ***\n";
15
16// Initialise function arguments not being substituted
17$offset = 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 $input argument
40$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       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 $inputs to check the behavior of array_slice()
89$iterator = 1;
90foreach($inputs as $input) {
91  echo "\n-- Iteration $iterator --\n";
92  var_dump( array_slice($input, $offset) );
93  $iterator++;
94};
95
96fclose($fp);
97
98echo "Done";
99?>
100--EXPECTF--
101*** Testing array_slice() : usage variations ***
102
103-- Iteration 1 --
104
105Warning: array_slice() expects parameter 1 to be array, int given in %s on line %d
106NULL
107
108-- Iteration 2 --
109
110Warning: array_slice() expects parameter 1 to be array, int given in %s on line %d
111NULL
112
113-- Iteration 3 --
114
115Warning: array_slice() expects parameter 1 to be array, int given in %s on line %d
116NULL
117
118-- Iteration 4 --
119
120Warning: array_slice() expects parameter 1 to be array, int given in %s on line %d
121NULL
122
123-- Iteration 5 --
124
125Warning: array_slice() expects parameter 1 to be array, float given in %s on line %d
126NULL
127
128-- Iteration 6 --
129
130Warning: array_slice() expects parameter 1 to be array, float given in %s on line %d
131NULL
132
133-- Iteration 7 --
134
135Warning: array_slice() expects parameter 1 to be array, float given in %s on line %d
136NULL
137
138-- Iteration 8 --
139
140Warning: array_slice() expects parameter 1 to be array, float given in %s on line %d
141NULL
142
143-- Iteration 9 --
144
145Warning: array_slice() expects parameter 1 to be array, float given in %s on line %d
146NULL
147
148-- Iteration 10 --
149
150Warning: array_slice() expects parameter 1 to be array, null given in %s on line %d
151NULL
152
153-- Iteration 11 --
154
155Warning: array_slice() expects parameter 1 to be array, null given in %s on line %d
156NULL
157
158-- Iteration 12 --
159
160Warning: array_slice() expects parameter 1 to be array, bool given in %s on line %d
161NULL
162
163-- Iteration 13 --
164
165Warning: array_slice() expects parameter 1 to be array, bool given in %s on line %d
166NULL
167
168-- Iteration 14 --
169
170Warning: array_slice() expects parameter 1 to be array, bool given in %s on line %d
171NULL
172
173-- Iteration 15 --
174
175Warning: array_slice() expects parameter 1 to be array, bool given in %s on line %d
176NULL
177
178-- Iteration 16 --
179
180Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
181NULL
182
183-- Iteration 17 --
184
185Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
186NULL
187
188-- Iteration 18 --
189array(0) {
190}
191
192-- Iteration 19 --
193
194Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
195NULL
196
197-- Iteration 20 --
198
199Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
200NULL
201
202-- Iteration 21 --
203
204Warning: array_slice() expects parameter 1 to be array, string given in %s on line %d
205NULL
206
207-- Iteration 22 --
208
209Warning: array_slice() expects parameter 1 to be array, object given in %s on line %d
210NULL
211
212-- Iteration 23 --
213
214Warning: array_slice() expects parameter 1 to be array, null given in %s on line %d
215NULL
216
217-- Iteration 24 --
218
219Warning: array_slice() expects parameter 1 to be array, null given in %s on line %d
220NULL
221
222-- Iteration 25 --
223
224Warning: array_slice() expects parameter 1 to be array, resource given in %s on line %d
225NULL
226Done
227