1--TEST--
2Test array_push() function : usage variations - array keys are different data types
3--FILE--
4<?php
5/* Prototype  : int array_push(array $stack, mixed $var [, mixed $...])
6 * Description: Pushes elements onto the end of the array
7 * Source code: ext/standard/array.c
8 */
9
10/*
11 * Pass array_push arrays where the keys are different data types.
12 */
13
14echo "*** Testing array_push() : usage variations ***\n";
15
16// Initialise function arguments not being substituted
17$var = 'value';
18
19//get an unset variable
20$unset_var = 10;
21unset ($unset_var);
22
23// heredoc string
24$heredoc = <<<EOT
25hello world
26EOT;
27
28// arrays of different data types as keys to be passed to $stack argument
29$inputs = array(
30
31       // int data
32/*1*/  'int' => array(
33       0 => 'zero',
34       1 => 'one',
35       12345 => 'positive',
36       -2345 => 'negative',
37       ),
38
39       // float data
40/*2*/  'float' => array(
41       10.5 => 'positive',
42       -10.5 => 'negative',
43       .5 => 'half',
44       ),
45
46       'extreme floats' => array(
47       12.3456789000e10 => 'large',
48       12.3456789000E-10 => 'small',
49       ),
50
51       // null data
52/*3*/ 'null uppercase' => array(
53       NULL => 'null 1',
54       ),
55       'null lowercase' => array(
56       null => 'null 2',
57       ),
58
59       // boolean data
60/*4*/ 'bool lowercase' => array(
61       true => 'lowert',
62       false => 'lowerf',
63       ),
64       'bool uppercase' => array(
65       TRUE => 'uppert',
66       FALSE => 'upperf',
67       ),
68
69       // empty data
70/*5*/ 'empty double quotes' => array(
71       "" => 'emptyd',
72       ),
73       'empty single quotes' => array(
74       '' => 'emptys',
75       ),
76
77       // string data
78/*6*/ 'string' => array(
79       "stringd" => 'stringd',
80       'strings' => 'strings',
81       $heredoc => 'stringh',
82       ),
83
84       // undefined data
85/*8*/ 'undefined' => array(
86       @$undefined_var => 'undefined',
87       ),
88
89       // unset data
90/*9*/ 'unset' => array(
91       @$unset_var => 'unset',
92       ),
93);
94
95// loop through each sub-array of $inputs to check the behavior of array_push()
96$iterator = 1;
97foreach($inputs as $key => $input) {
98  echo "\n-- Iteration $iterator : $key data --\n";
99  echo "Before : ";
100  var_dump(count($input));
101  echo "After  : ";
102  var_dump( array_push($input, $var) );
103  $iterator++;
104};
105
106echo "Done";
107?>
108--EXPECT--
109*** Testing array_push() : usage variations ***
110
111-- Iteration 1 : int data --
112Before : int(4)
113After  : int(5)
114
115-- Iteration 2 : float data --
116Before : int(3)
117After  : int(4)
118
119-- Iteration 3 : extreme floats data --
120Before : int(2)
121After  : int(3)
122
123-- Iteration 4 : null uppercase data --
124Before : int(1)
125After  : int(2)
126
127-- Iteration 5 : null lowercase data --
128Before : int(1)
129After  : int(2)
130
131-- Iteration 6 : bool lowercase data --
132Before : int(2)
133After  : int(3)
134
135-- Iteration 7 : bool uppercase data --
136Before : int(2)
137After  : int(3)
138
139-- Iteration 8 : empty double quotes data --
140Before : int(1)
141After  : int(2)
142
143-- Iteration 9 : empty single quotes data --
144Before : int(1)
145After  : int(2)
146
147-- Iteration 10 : string data --
148Before : int(3)
149After  : int(4)
150
151-- Iteration 11 : undefined data --
152Before : int(1)
153After  : int(2)
154
155-- Iteration 12 : unset data --
156Before : int(1)
157After  : int(2)
158Done
159