1--TEST-- 2Test strpos() function 3--INI-- 4precision=14 5--FILE-- 6<?php 7echo "*** Testing basic functionality of strpos() ***\n"; 8var_dump( strpos("test string", "test") ); 9var_dump( strpos("test string", "string") ); 10var_dump( strpos("test string", "strin") ); 11var_dump( strpos("test string", "t s") ); 12var_dump( strpos("test string", "g") ); 13var_dump( strpos("te".chr(0)."st", chr(0)) ); 14var_dump( strpos("tEst", "test") ); 15var_dump( strpos("teSt", "test") ); 16var_dump( strpos("", "") ); 17var_dump( strpos("a", "") ); 18var_dump( strpos("", "a") ); 19var_dump( strpos("\\\\a", "\\a") ); 20 21 22echo "\n*** Testing strpos() to find various needles and a long string ***\n"; 23$string = 24"Hello world,012033 -3.3445 NULL TRUE FALSE\0 abcd\xxyz \x000 octal\n 25abcd$:Hello world"; 26 27/* needles in an array to get the position of needle in $string */ 28$needles = array( 29 "Hello world", 30 "WORLD", 31 "\0", 32 "\x00", 33 "\x000", 34 "abcd", 35 "xyz", 36 "octal", 37 "-3", 38 -3, 39 "-3.344", 40 -3.344, 41 "NULL", 42 "0", 43 0, 44 TRUE, 45 "TRUE", 46 "1", 47 1, 48 FALSE, 49 "FALSE", 50 " ", 51 " ", 52 'b', 53 '\n', 54 "\n", 55 "12", 56 "12twelve", 57 $string 58); 59 60/* loop through to get the "needle" position in $string */ 61for( $i = 0; $i < count($needles); $i++ ) { 62 echo "Position of '$needles[$i]' is => "; 63 var_dump( strpos($string, $needles[$i]) ); 64} 65 66 67echo "\n*** Testing strpos() with possible variations in offset ***\n"; 68$offset_values = array ( 69 1, // offset = 1 70 "string", // offset as string, converts to zero 71 "", // offset as string, converts to zero 72 "0", 73 TRUE, 74 FALSE, 75 "string12", 76 -10, // Not found 77 -15, // Found 78 -strlen($string), 79); 80 81/* loop through to get the "needle" position in $string */ 82for( $i = 0; $i < count( $offset_values ); $i++ ) { 83 echo "Position of 'Hello' with offset '$offset_values[$i]' is => "; 84 try { 85 var_dump( strpos($string, "Hello", $offset_values[$i]) ); 86 } catch (TypeError $e) { 87 echo "\n", $e->getMessage(), "\n"; 88 } 89} 90 91 92echo "\n*** Testing miscellaneous input data ***\n"; 93 94echo "-- Passing objects as string and needle --\n"; 95/* we get "Recoverable fatal error: saying Object of class needle could not be 96 converted to string" by default when an object is passed instead of string: 97 The error can be avoided by choosing the __toString magix method as follows: */ 98 99class StringCapable 100{ 101 function __toString() { 102 return "Hello, world"; 103 } 104} 105$obj_string = new StringCapable; 106 107class needle 108{ 109 function __toString() { 110 return "world"; 111 } 112} 113$obj_needle = new needle; 114 115var_dump( strpos("$obj_string", "$obj_needle") ); 116 117echo "\n-- Posiibilities with null --\n"; 118var_dump( strpos("", NULL) ); 119var_dump( strpos(NULL, NULL) ); 120var_dump( strpos("a", NULL) ); 121var_dump( strpos("/x0", "0") ); // Hexadecimal NUL 122 123echo "\n-- A longer and heredoc string --\n"; 124$string = <<<EOD 125abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 126abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 127abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 128abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 129abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 130abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 131abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 132abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 133abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 134abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 135EOD; 136var_dump( strpos($string, "abcd") ); 137var_dump( strpos($string, "abcd", 72) ); // 72 -> "\n" in the first line 138var_dump( strpos($string, "abcd", 73) ); // 73 -> "abcd" in the second line 139var_dump( strpos($string, "9", (strlen($string)-1)) ); 140 141echo "\n-- A heredoc null string --\n"; 142$str = <<<EOD 143EOD; 144var_dump( strpos($str, "\0") ); 145var_dump( strpos($str, "0") ); 146 147 148echo "\n-- simple and complex syntax strings --\n"; 149$needle = 'world'; 150 151/* Simple syntax */ 152var_dump( strpos("Hello, world", "$needle") ); // works 153var_dump( strpos("Hello, world'S", "$needle'S") ); // works 154var_dump( strpos("Hello, worldS", "$needleS") ); // won't work 155 156/* String with curly braces, complex syntax */ 157var_dump( strpos("Hello, worldS", "${needle}S") ); // works 158var_dump( strpos("Hello, worldS", "{$needle}S") ); // works 159 160echo "\n*** Testing error conditions ***\n"; 161var_dump( strpos($string, "") ); 162try { 163 strpos($string, "test", strlen($string)+1); // offset > strlen() 164} catch (ValueError $exception) { 165 echo $exception->getMessage() . "\n"; 166} 167 168try { 169 strpos($string, "test", -strlen($string)-1); // offset before start 170} catch (ValueError $exception) { 171 echo $exception->getMessage() . "\n"; 172} 173 174?> 175 176DONE 177--EXPECTF-- 178*** Testing basic functionality of strpos() *** 179int(0) 180int(5) 181int(5) 182int(3) 183int(10) 184int(2) 185bool(false) 186bool(false) 187int(0) 188int(0) 189bool(false) 190int(1) 191 192*** Testing strpos() to find various needles and a long string *** 193Position of 'Hello world' is => int(0) 194Position of 'WORLD' is => bool(false) 195Position of '%0' is => int(46) 196Position of '%0' is => int(46) 197Position of '%00' is => int(58) 198Position of 'abcd' is => int(48) 199Position of 'xyz' is => int(54) 200Position of 'octal' is => int(61) 201Position of '-3' is => int(19) 202Position of '-3' is => int(19) 203Position of '-3.344' is => int(19) 204Position of '-3.344' is => int(19) 205Position of 'NULL' is => int(31) 206Position of '0' is => int(12) 207Position of '0' is => int(12) 208Position of '1' is => int(13) 209Position of 'TRUE' is => int(36) 210Position of '1' is => int(13) 211Position of '1' is => int(13) 212Position of '' is => int(0) 213Position of 'FALSE' is => int(41) 214Position of ' ' is => int(5) 215Position of ' ' is => int(26) 216Position of 'b' is => int(49) 217Position of '\n' is => bool(false) 218Position of ' 219' is => int(66) 220Position of '12' is => int(13) 221Position of '12twelve' is => bool(false) 222Position of 'Hello world,012033 -3.3445 NULL TRUE FALSE%0 abcd\xxyz %00 octal 223 224abcd$:Hello world' is => int(0) 225 226*** Testing strpos() with possible variations in offset *** 227Position of 'Hello' with offset '1' is => int(74) 228Position of 'Hello' with offset 'string' is => 229strpos(): Argument #3 ($offset) must be of type int, string given 230Position of 'Hello' with offset '' is => 231strpos(): Argument #3 ($offset) must be of type int, string given 232Position of 'Hello' with offset '0' is => int(0) 233Position of 'Hello' with offset '1' is => int(74) 234Position of 'Hello' with offset '' is => int(0) 235Position of 'Hello' with offset 'string12' is => 236strpos(): Argument #3 ($offset) must be of type int, string given 237Position of 'Hello' with offset '-10' is => bool(false) 238Position of 'Hello' with offset '-15' is => int(74) 239Position of 'Hello' with offset '-85' is => int(0) 240 241*** Testing miscellaneous input data *** 242-- Passing objects as string and needle -- 243int(7) 244 245-- Posiibilities with null -- 246 247Deprecated: strpos(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d 248int(0) 249 250Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in %s on line %d 251 252Deprecated: strpos(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d 253int(0) 254 255Deprecated: strpos(): Passing null to parameter #2 ($needle) of type string is deprecated in %s on line %d 256int(0) 257int(2) 258 259-- A longer and heredoc string -- 260int(0) 261int(73) 262int(73) 263int(728) 264 265-- A heredoc null string -- 266bool(false) 267bool(false) 268 269-- simple and complex syntax strings -- 270int(7) 271int(7) 272 273Warning: Undefined variable $needleS in %s on line %d 274int(0) 275int(7) 276int(7) 277 278*** Testing error conditions *** 279int(0) 280strpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack) 281strpos(): Argument #3 ($offset) must be contained in argument #1 ($haystack) 282 283DONE 284
