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1.1 misho 1: --TEST--
2: Test 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:
11: echo "*** Testing intval() : usage variation ***\n";
12:
13: // Define error handler
14: function 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: }
20: set_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: $unset_var = 10;
27: unset ($unset_var);
28:
29: // define some classes
30: class classWithToString
31: {
32: public function __toString() {
33: return "Class A object";
34: }
35: }
36:
37: class classWithoutToString
38: {
39: }
40:
41: // heredoc string
42: $heredoc = <<<EOT
43: hello world
44: EOT;
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' => @$unset_var,
101: );
102:
103: // loop through each element of the array for var
104:
105: foreach($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--
116: int(0)
117:
118: --int 1--
119: int(1)
120:
121: --int 12345--
122: int(12345)
123:
124: --int -12345--
125: int(-2345)
126:
127: --float 10.5--
128: int(10)
129:
130: --float -10.5--
131: int(-10)
132:
133: --float 12.3456789e5--
134: int(1234567)
135:
136: --float -12.3456789e5--
137: int(-1234567)
138:
139: --float .5--
140: int(0)
141:
142: --empty array--
143: int(0)
144:
145: --int indexed array--
146: int(1)
147:
148: --associative array--
149: int(1)
150:
151: --nested arrays--
152: int(1)
153:
154: --uppercase NULL--
155: int(0)
156:
157: --lowercase null--
158: int(0)
159:
160: --lowercase true--
161: int(1)
162:
163: --lowercase false--
164: int(0)
165:
166: --uppercase TRUE--
167: int(1)
168:
169: --uppercase FALSE--
170: int(0)
171:
172: --empty string DQ--
173: int(0)
174:
175: --empty string SQ--
176: int(0)
177:
178: --string DQ--
179: int(0)
180:
181: --string SQ--
182: int(0)
183:
184: --mixed case string--
185: int(0)
186:
187: --heredoc--
188: int(0)
189:
190: --instance of classWithToString--
191: Error: 8 - Object of class classWithToString could not be converted to int, %s(%d)
192: int(1)
193:
194: --instance of classWithoutToString--
195: Error: 8 - Object of class classWithoutToString could not be converted to int, %s(%d)
196: int(1)
197:
198: --undefined var--
199: int(0)
200:
201: --unset var--
202: int(0)
203: ===DONE===