xref: /PHP-5.3/ext/standard/tests/strings/strpos.phpt (revision dc9f0e70)
1--TEST--
2Test strpos() function
3--INI--
4precision=14
5--FILE--
6<?php
7/* Prototype: int strpos ( string $haystack, mixed $needle [, int $offset] );
8   Description: Find position of first occurrence of a string
9*/
10
11echo "*** Testing basic functionality of strpos() ***\n";
12var_dump( strpos("test string", "test") );
13var_dump( strpos("test string", "string") );
14var_dump( strpos("test string", "strin") );
15var_dump( strpos("test string", "t s") );
16var_dump( strpos("test string", "g") );
17var_dump( strpos("te".chr(0)."st", chr(0)) );
18var_dump( strpos("tEst", "test") );
19var_dump( strpos("teSt", "test") );
20var_dump( @strpos("", "") );
21var_dump( @strpos("a", "") );
22var_dump( @strpos("", "a") );
23var_dump( @strpos("\\\\a", "\\a") );
24
25
26echo "\n*** Testing strpos() to find various needles and a long string ***\n";
27$string =
28"Hello world,012033 -3.3445     NULL TRUE FALSE\0 abcd\xxyz \x000 octal\n
29abcd$:Hello world";
30
31/* needles in an array to get the position of needle in $string */
32$needles = array(
33  "Hello world",
34  "WORLD",
35  "\0",
36  "\x00",
37  "\x000",
38  "abcd",
39  "xyz",
40  "octal",
41  "-3",
42  -3,
43  "-3.344",
44  -3.344,
45  NULL,
46  "NULL",
47  "0",
48  0,
49  TRUE,
50  "TRUE",
51  "1",
52  1,
53  FALSE,
54  "FALSE",
55  " ",
56  "     ",
57  'b',
58  '\n',
59  "\n",
60  "12",
61  "12twelve",
62  $string
63);
64
65/* loop through to get the "needle" position in $string */
66for( $i = 0; $i < count($needles); $i++ ) {
67  echo "Position of '$needles[$i]' is => ";
68  var_dump( strpos($string, $needles[$i]) );
69}
70
71
72echo "\n*** Testing strpos() with possible variations in offset ***\n";
73$offset_values = array (
74  1,  // offset = 1
75  "string",  // offset as string, converts to zero
76  NULL,  // offset as string, converts to zero
77  "",  // offset as string, converts to zero
78  "12string",  // mixed string with int and chars
79  "0",
80  TRUE,
81  NULL,
82  FALSE,
83  "string12",
84  "12.3string",  // mixed string with float and chars
85);
86
87/* loop through to get the "needle" position in $string */
88for( $i = 0; $i < count( $offset_values ); $i++ ) {
89  echo "Position of 'Hello' with offset '$offset_values[$i]' is => ";
90  var_dump( strpos($string, "Hello", $offset_values[$i]) );
91}
92
93
94echo "\n*** Testing Miscelleneous input data ***\n";
95
96echo "-- Passing objects as string and needle --\n";
97/* we get "Catchable fatal error: saying Object of class needle could not be
98 converted to string" by default when an object is passed instead of string:
99 The error can be avoided by chosing the __toString magix method as follows: */
100
101class string
102{
103  function __toString() {
104    return "Hello, world";
105  }
106}
107$obj_string = new string;
108
109class needle
110{
111  function __toString() {
112    return "world";
113  }
114}
115$obj_needle = new needle;
116
117var_dump( strpos("$obj_string", "$obj_needle") );
118
119echo "\n-- Passing an array as string and needle --\n";
120$needles = array("hello", "?world", "!$%**()%**[][[[&@#~!");
121var_dump( strpos($needles, $needles) );	 // won't work
122var_dump( strpos("hello?world,!$%**()%**[][[[&@#~!", "$needles[1]") );	// works
123var_dump( strpos("hello?world,!$%**()%**[][[[&@#~!", "$needles[2]") );	// works
124
125
126echo "\n-- Passing Resources as string and needle --\n";
127$resource1 = fopen(__FILE__, "r");
128$resource2 = opendir(".");
129var_dump( strpos($resource1, $resource1) );
130var_dump( strpos($resource1, $resource2) );
131
132echo "\n-- Posiibilities with null --\n";
133var_dump( strpos("", NULL) );
134var_dump( strpos(NULL, NULL) );
135var_dump( strpos("a", NULL) );
136var_dump( strpos("/x0", "0") );	 // Hexadecimal NUL
137
138echo "\n-- A longer and heredoc string --\n";
139$string = <<<EOD
140abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
141abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
142abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
143abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
144abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
145abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
146abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
147abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
148abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
149abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
150EOD;
151var_dump( strpos($string, "abcd") );
152var_dump( strpos($string, "abcd", 72) );  // 72 -> "\n" in the first line
153var_dump( strpos($string, "abcd", 73) );  // 73 -> "abcd" in the second line
154var_dump( strpos($string, "9", (strlen($string)-1)) );
155
156echo "\n-- A heredoc null string --\n";
157$str = <<<EOD
158EOD;
159var_dump( strpos($str, "\0") );
160var_dump( strpos($str, NULL) );
161var_dump( strpos($str, "0") );
162
163
164echo "\n-- simple and complex syntax strings --\n";
165$needle = 'world';
166
167/* Simple syntax */
168var_dump( strpos("Hello, world", "$needle") );  // works
169var_dump( strpos("Hello, world'S", "$needle'S") );  // works
170var_dump( strpos("Hello, worldS", "$needleS") );  // won't work
171
172/* String with curly braces, complex syntax */
173var_dump( strpos("Hello, worldS", "${needle}S") );  // works
174var_dump( strpos("Hello, worldS", "{$needle}S") );  // works
175
176
177echo "\n-- complex strings containing other than 7-bit chars --\n";
178$str = chr(0).chr(128).chr(129).chr(234).chr(235).chr(254).chr(255);
179echo "-- Positions of some chars in the string '$str' are as follows --\n";
180echo chr(128)." => ";
181var_dump( strpos($str, chr(128)) );
182echo chr(255)." => ";
183var_dump( strpos($str, chr(255), 3) );
184echo chr(256)." => ";
185var_dump( strpos($str, chr(256)) );
186
187echo "\n*** Testing error conditions ***";
188var_dump( strpos($string, "") );
189var_dump( strpos() );  // zero argument
190var_dump( strpos("") );  // null argument
191var_dump( strpos($string) );  // without "needle"
192var_dump( strpos("a", "b", "c", "d") );  // args > expected
193var_dump( strpos($string, "test", strlen($string)+1) );  // offset > strlen()
194var_dump( strpos($string, "test", -1) );  // offset < 0
195var_dump( strpos(NULL, "") );
196
197echo "\nDone";
198
199fclose($resource1);
200closedir($resource2);
201?>
202--EXPECTF--
203*** Testing basic functionality of strpos() ***
204int(0)
205int(5)
206int(5)
207int(3)
208int(10)
209int(2)
210bool(false)
211bool(false)
212bool(false)
213bool(false)
214bool(false)
215int(1)
216
217*** Testing strpos() to find various needles and a long string ***
218Position of 'Hello world' is => int(0)
219Position of 'WORLD' is => bool(false)
220Position of '�' is => int(46)
221Position of '�' is => int(46)
222Position of '�0' is => int(58)
223Position of 'abcd' is => int(48)
224Position of 'xyz' is => int(54)
225Position of 'octal' is => int(61)
226Position of '-3' is => int(19)
227Position of '-3' is => bool(false)
228Position of '-3.344' is => int(19)
229Position of '-3.344' is => bool(false)
230Position of '' is => int(46)
231Position of 'NULL' is => int(31)
232Position of '0' is => int(12)
233Position of '0' is => int(46)
234Position of '1' is => bool(false)
235Position of 'TRUE' is => int(36)
236Position of '1' is => int(13)
237Position of '1' is => bool(false)
238Position of '' is => int(46)
239Position of 'FALSE' is => int(41)
240Position of ' ' is => int(5)
241Position of '     ' is => int(26)
242Position of 'b' is => int(49)
243Position of '\n' is => bool(false)
244Position of '
245' is => int(66)
246Position of '12' is => int(13)
247Position of '12twelve' is => bool(false)
248Position of 'Hello world,012033 -3.3445     NULL TRUE FALSE� abcd\xxyz �0 octal
249
250abcd$:Hello world' is => int(0)
251
252*** Testing strpos() with possible variations in offset ***
253Position of 'Hello' with offset '1' is => int(74)
254Position of 'Hello' with offset 'string' is =>
255Warning: strpos() expects parameter 3 to be long, string given in %s on line %d
256NULL
257Position of 'Hello' with offset '' is => int(0)
258Position of 'Hello' with offset '' is =>
259Warning: strpos() expects parameter 3 to be long, string given in %s on line %d
260NULL
261Position of 'Hello' with offset '12string' is =>
262Notice: A non well formed numeric value encountered in %s on line %d
263int(74)
264Position of 'Hello' with offset '0' is => int(0)
265Position of 'Hello' with offset '1' is => int(74)
266Position of 'Hello' with offset '' is => int(0)
267Position of 'Hello' with offset '' is => int(0)
268Position of 'Hello' with offset 'string12' is =>
269Warning: strpos() expects parameter 3 to be long, string given in %s on line %d
270NULL
271Position of 'Hello' with offset '12.3string' is =>
272Notice: A non well formed numeric value encountered in %s on line %d
273int(74)
274
275*** Testing Miscelleneous input data ***
276-- Passing objects as string and needle --
277int(7)
278
279-- Passing an array as string and needle --
280
281Warning: strpos() expects parameter 1 to be string, array given in %s on line %d
282NULL
283int(5)
284int(12)
285
286-- Passing Resources as string and needle --
287
288Warning: strpos() expects parameter 1 to be string, resource given in %s on line %d
289NULL
290
291Warning: strpos() expects parameter 1 to be string, resource given in %s on line %d
292NULL
293
294-- Posiibilities with null --
295bool(false)
296bool(false)
297bool(false)
298int(2)
299
300-- A longer and heredoc string --
301int(0)
302int(73)
303int(73)
304int(728)
305
306-- A heredoc null string --
307bool(false)
308bool(false)
309bool(false)
310
311-- simple and complex syntax strings --
312int(7)
313int(7)
314
315Notice: Undefined variable: needleS in %s on line %d
316
317Warning: strpos(): Empty needle in %s on line %d
318bool(false)
319int(7)
320int(7)
321
322-- complex strings containing other than 7-bit chars --
323-- Positions of some chars in the string '�������' are as follows --
324� => int(1)
325� => int(6)
326� => int(0)
327
328*** Testing error conditions ***
329Warning: strpos(): Empty needle in %s on line %d
330bool(false)
331
332Warning: strpos() expects at least 2 parameters, 0 given in %s on line %d
333NULL
334
335Warning: strpos() expects at least 2 parameters, 1 given in %s on line %d
336NULL
337
338Warning: strpos() expects at least 2 parameters, 1 given in %s on line %d
339NULL
340
341Warning: strpos() expects at most 3 parameters, 4 given in %s on line %d
342NULL
343
344Warning: strpos(): Offset not contained in string in %s on line %d
345bool(false)
346
347Warning: strpos(): Offset not contained in string in %s on line %d
348bool(false)
349
350Warning: strpos(): Empty needle in %s on line %d
351bool(false)
352
353Done
354