1--TEST--
2Test array_push() function : usage variations - Pass different data types as $var arg
3--FILE--
4<?php
5/* Prototype  : int array_push(array $stack, mixed $var [, mixed $...])
6 * Description: Pushes elements onto the end of the array
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Pass different data types as $var argument to array_push to test behaviour
12 */
13
14echo "*** Testing array_push() : usage variations ***\n";
15
16// Initialise function arguments not being substituted
17$stack = array (1, 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 $var argument
40$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 $inputs to check the behavior of array_push()
89$iterator = 1;
90foreach($inputs as $input) {
91  echo "\n-- Iteration $iterator --\n";
92  $temp_array = $stack;
93  var_dump( array_push($temp_array, $input) );
94  $iterator++;
95};
96
97fclose($fp);
98
99echo "Done";
100?>
101--EXPECT--
102*** Testing array_push() : usage variations ***
103
104-- Iteration 1 --
105int(3)
106
107-- Iteration 2 --
108int(3)
109
110-- Iteration 3 --
111int(3)
112
113-- Iteration 4 --
114int(3)
115
116-- Iteration 5 --
117int(3)
118
119-- Iteration 6 --
120int(3)
121
122-- Iteration 7 --
123int(3)
124
125-- Iteration 8 --
126int(3)
127
128-- Iteration 9 --
129int(3)
130
131-- Iteration 10 --
132int(3)
133
134-- Iteration 11 --
135int(3)
136
137-- Iteration 12 --
138int(3)
139
140-- Iteration 13 --
141int(3)
142
143-- Iteration 14 --
144int(3)
145
146-- Iteration 15 --
147int(3)
148
149-- Iteration 16 --
150int(3)
151
152-- Iteration 17 --
153int(3)
154
155-- Iteration 18 --
156int(3)
157
158-- Iteration 19 --
159int(3)
160
161-- Iteration 20 --
162int(3)
163
164-- Iteration 21 --
165int(3)
166
167-- Iteration 22 --
168int(3)
169
170-- Iteration 23 --
171int(3)
172
173-- Iteration 24 --
174int(3)
175
176-- Iteration 25 --
177int(3)
178Done
179