Annotation of embedaddon/php/ext/standard/tests/strings/strlen.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: strlen() function
3: --INI--
4: precision = 12
5: --FILE--
6: <?php
7: /* returns the length of a given string */
8:
9: echo "#### Basic operations and variations ####\n";
10: $strings = array( "Hello, World",
11: 'Hello, World',
12: '!!Hello, World',
13: "??Hello, World",
14: "$@#%^&*!~,.:;?",
15: "123",
16: 123,
17: "-1.2345",
18: -1.2344,
19: NULL,
20: "",
21: " ",
22: "\0",
23: "\x000", // len = 2
24: "\xABC", // len = 2
25: "\0000", // len = 2
26: "0",
27: 0,
28: "\t", // len = 1
29: '\t', // len = 2
30: TRUE,
31: FALSE,
32: "Hello, World\0",
33: "Hello\0World",
34: 'Hello, World\0',
35: "Hello, World\n",
36: "Hello, World\r",
37: "Hello, World\t",
38: "Hello, World\\",
39: " ",
40: chr(128).chr(234).chr(65).chr(255).chr(256),
41:
42: "abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
43: []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\\\\
44: abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
45: []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\\\\
46: abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
47: []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\\\\
48: abcdefghijklmnopqrstuvwxyz0123456789"
49: );
50:
51: /* loop through to find the length of each string */
52: for($i=0; $i<count($strings); $i++) {
53: echo "String length of '$strings[$i]' is => ";
54: var_dump( strlen($strings[$i]) );
55: }
56:
57:
58:
59: echo "\n#### Testing Miscelleneous inputs ####\n";
60:
61: echo "--- Testing objects ---\n";
62: /* we get "Catchable fatal error: saying Object of class could not be converted
63: to string" by default when an object is passed instead of string:
64: The error can be avoided by chosing the __toString magix method as follows: */
65:
66: class string {
67: function __toString() {
68: return "Hello, world";
69: }
70: }
71: $obj_string = new string;
72:
73: var_dump(strlen("$obj_string"));
74:
75:
76: echo "\n--- Testing arrays ---\n";
77: $str_arr = array("hello", "?world", "!$%**()%**[][[[&@#~!", array());
78: var_dump(strlen($str_arr));
79: var_dump(strlen("$str_arr[1]"));
80: var_dump(strlen("$str_arr[2]"));
81:
82: echo "\n--- Testing Resources ---\n";
83: $filename1 = "dummy.txt";
84: $file1 = fopen($filename1, "w"); // creating new file
85:
86: /* getting resource type for file handle */
87: $string1 = get_resource_type($file1);
88: $string2 = (int)get_resource_type($file1); // converting stream type to int
89:
90: /* $string1 is of "stream" type */
91: var_dump(strlen($string1)); // int(6)
92:
93: /* $string2 holds a value of "int(0)" */
94: var_dump(strlen($string2)); // int(1)
95:
96: fclose($file1); // closing the file "dummy.txt"
97: unlink("$filename1"); // deletes "dummy.txt"
98:
99:
100: echo "\n--- Testing a longer and heredoc string ---\n";
101: $string = <<<EOD
102: abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
103: abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
104: abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
105: abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
106: abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
107: abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
108: abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
109: @#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
110: abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
111: EOD;
112: var_dump(strlen($string));
113:
114: echo "\n--- Testing a heredoc null string ---\n";
115: $str = <<<EOD
116: EOD;
117: var_dump(strlen($str));
118:
119:
120: echo "\n--- Testing simple and complex syntax strings ---\n";
121: $str = 'world';
122:
123: /* Simple syntax */
124: var_dump(strlen("$str"));
125: var_dump(strlen("$str'S"));
126: var_dump(strlen("$strS"));
127:
128: /* String with curly braces, complex syntax */
129: var_dump(strlen("${str}S"));
130: var_dump(strlen("{$str}S"));
131:
132: echo "\n--- strlen for long float values ---\n";
133: /* Here two different outputs, which depends on the rounding value
134: before converting to string. Here Precision = 12 */
135: var_dump(strlen(10.55555555555555555555555555)); // len = 13
136: var_dump(strlen(10.55555555595555555555555555)); // len = 12
137:
138: echo "\n--- Nested strlen() ---\n";
139: var_dump(strlen(strlen("Hello"))); // len=1
140:
141:
142: echo "\n#### error conditions ####";
143: /* Zero arguments */
144: strlen();
145: /* Greater number of args than expected */
146: strlen("string1", "string2");
147: strlen("", "");
148:
149: echo "Done\n";
150: ?>
151: --EXPECTF--
152: #### Basic operations and variations ####
153: String length of 'Hello, World' is => int(12)
154: String length of 'Hello, World' is => int(12)
155: String length of '!!Hello, World' is => int(14)
156: String length of '??Hello, World' is => int(14)
157: String length of '$@#%^&*!~,.:;?' is => int(14)
158: String length of '123' is => int(3)
159: String length of '123' is => int(3)
160: String length of '-1.2345' is => int(7)
161: String length of '-1.2344' is => int(7)
162: String length of '' is => int(0)
163: String length of '' is => int(0)
164: String length of ' ' is => int(1)
165: String length of ' ' is => int(1)
166: String length of ' 0' is => int(2)
167: String length of '«C' is => int(2)
168: String length of ' 0' is => int(2)
169: String length of '0' is => int(1)
170: String length of '0' is => int(1)
171: String length of ' ' is => int(1)
172: String length of '\t' is => int(2)
173: String length of '1' is => int(1)
174: String length of '' is => int(0)
175: String length of 'Hello, World ' is => int(13)
176: String length of 'Hello World' is => int(11)
177: String length of 'Hello, World\0' is => int(14)
178: String length of 'Hello, World
179: ' is => int(13)
180: String length of 'Hello, World
' is => int(13)
181: String length of 'Hello, World ' is => int(13)
182: String length of 'Hello, World\' is => int(13)
183: String length of ' ' is => int(14)
184: String length of '€êAÿ ' is => int(5)
185: String length of 'abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
186: []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\
187: abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
188: []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\
189: abcdefghijklmnopqrstuvwxyz0123456789~!@#$%^&*()_+=|?><-;:$
190: []{}{{{}}}[[[[]][]]]***&&&^^%$###@@!!@#$%&^&**/////|\\\
191: abcdefghijklmnopqrstuvwxyz0123456789' is => int(495)
192:
193: #### Testing Miscelleneous inputs ####
194: --- Testing objects ---
195: int(12)
196:
197: --- Testing arrays ---
198:
199: Warning: strlen() expects parameter 1 to be string, array given in %s on line %d
200: NULL
201: int(6)
202: int(20)
203:
204: --- Testing Resources ---
205: int(6)
206: int(1)
207:
208: --- Testing a longer and heredoc string ---
209: int(639)
210:
211: --- Testing a heredoc null string ---
212: int(0)
213:
214: --- Testing simple and complex syntax strings ---
215: int(5)
216: int(7)
217:
218: Notice: Undefined variable: strS in %s on line %d
219: int(0)
220: int(6)
221: int(6)
222:
223: --- strlen for long float values ---
224: int(13)
225: int(12)
226:
227: --- Nested strlen() ---
228: int(1)
229:
230: #### error conditions ####
231: Warning: strlen() expects exactly 1 parameter, 0 given in %s on line %d
232:
233: Warning: strlen() expects exactly 1 parameter, 2 given in %s on line %d
234:
235: Warning: strlen() expects exactly 1 parameter, 2 given in %s on line %d
236: Done
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