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