1--TEST--
2Test intval() function : usage variation
3--FILE--
4<?php
5/* Prototype  : int intval(mixed var [, int base])
6 * Description: Get the integer value of a variable using the optional base for the conversion
7 * Source code: ext/standard/type.c
8 * Alias to functions:
9 */
10
11echo "*** Testing intval() : usage variation ***\n";
12
13// Define error handler
14function test_error_handler($err_no, $err_msg, $filename, $linenum, $vars) {
15	if (error_reporting() != 0) {
16		// report non-silenced errors
17		echo "Error: $err_no - $err_msg, $filename($linenum)\n";
18	}
19}
20set_error_handler('test_error_handler');
21
22// Initialise function arguments not being substituted (if any)
23$base = 10;
24
25//get an unset variable
26$unset_var = 10;
27unset ($unset_var);
28
29// define some classes
30class classWithToString
31{
32	public function __toString() {
33		return "Class A object";
34	}
35}
36
37class classWithoutToString
38{
39}
40
41// heredoc string
42$heredoc = <<<EOT
43hello world
44EOT;
45
46// add arrays
47$index_array = array (1, 2, 3);
48$assoc_array = array ('one' => 1, 'two' => 2);
49
50//array of values to iterate over
51$inputs = array(
52
53      // int data
54      'int 0' => 0,
55      'int 1' => 1,
56      'int 12345' => 12345,
57      'int -12345' => -2345,
58
59      // float data
60      'float 10.5' => 10.5,
61      'float -10.5' => -10.5,
62      'float 12.3456789e5' => 12.3456789e5,
63      'float -12.3456789e5' => -12.3456789e5,
64      'float .5' => .5,
65
66      // array data
67      'empty array' => array(),
68      'int indexed array' => $index_array,
69      'associative array' => $assoc_array,
70      'nested arrays' => array('foo', $index_array, $assoc_array),
71
72      // null data
73      'uppercase NULL' => NULL,
74      'lowercase null' => null,
75
76      // boolean data
77      'lowercase true' => true,
78      'lowercase false' =>false,
79      'uppercase TRUE' =>TRUE,
80      'uppercase FALSE' =>FALSE,
81
82      // empty data
83      'empty string DQ' => "",
84      'empty string SQ' => '',
85
86      // string data
87      'string DQ' => "string",
88      'string SQ' => 'string',
89      'mixed case string' => "sTrInG",
90      'heredoc' => $heredoc,
91
92      // object data
93      'instance of classWithToString' => new classWithToString(),
94      'instance of classWithoutToString' => new classWithoutToString(),
95
96      // undefined data
97      'undefined var' => @$undefined_var,
98
99      // unset data
100      'unset var' => @$unset_var,
101);
102
103// loop through each element of the array for var
104
105foreach($inputs as $key =>$value) {
106      echo "\n--$key--\n";
107      var_dump( intval($value, $base) );
108};
109
110?>
111===DONE===
112--EXPECTF--
113*** Testing intval() : usage variation ***
114
115--int 0--
116int(0)
117
118--int 1--
119int(1)
120
121--int 12345--
122int(12345)
123
124--int -12345--
125int(-2345)
126
127--float 10.5--
128int(10)
129
130--float -10.5--
131int(-10)
132
133--float 12.3456789e5--
134int(1234567)
135
136--float -12.3456789e5--
137int(-1234567)
138
139--float .5--
140int(0)
141
142--empty array--
143int(0)
144
145--int indexed array--
146int(1)
147
148--associative array--
149int(1)
150
151--nested arrays--
152int(1)
153
154--uppercase NULL--
155int(0)
156
157--lowercase null--
158int(0)
159
160--lowercase true--
161int(1)
162
163--lowercase false--
164int(0)
165
166--uppercase TRUE--
167int(1)
168
169--uppercase FALSE--
170int(0)
171
172--empty string DQ--
173int(0)
174
175--empty string SQ--
176int(0)
177
178--string DQ--
179int(0)
180
181--string SQ--
182int(0)
183
184--mixed case string--
185int(0)
186
187--heredoc--
188int(0)
189
190--instance of classWithToString--
191Error: 8 - Object of class classWithToString could not be converted to int, %s(%d)
192int(1)
193
194--instance of classWithoutToString--
195Error: 8 - Object of class classWithoutToString could not be converted to int, %s(%d)
196int(1)
197
198--undefined var--
199int(0)
200
201--unset var--
202int(0)
203===DONE===
204