1--TEST-- 2Test strstr() function 3--FILE-- 4<?php 5/* Prototype: string strstr ( string $haystack, string $needle ); 6 Description: Find first occurrence of a string 7 and reurns the rest of the string from that string 8*/ 9 10echo "*** Testing basic functionality of strstr() ***\n"; 11var_dump( strstr("test string", "test") ); 12var_dump( strstr("test string", "string") ); 13var_dump( strstr("test string", "strin") ); 14var_dump( strstr("test string", "t s") ); 15var_dump( strstr("test string", "g") ); 16var_dump( md5(strstr("te".chr(0)."st", chr(0))) ); 17var_dump( strstr("tEst", "test") ); 18var_dump( strstr("teSt", "test") ); 19var_dump( @strstr("", "") ); 20var_dump( @strstr("a", "") ); 21var_dump( @strstr("", "a") ); 22 23 24echo "\n*** Testing strstr() with various needles ***"; 25$string = 26"Hello world,012033 -3.3445 NULL TRUE FALSE\0 abcd\xxyz \x000 octal\n 27abcd$:Hello world"; 28 29/* needles in an array to get the string starts with needle, in $string */ 30$needles = array( 31 "Hello world", 32 "WORLD", 33 "\0", 34 "\x00", 35 "\x000", 36 "abcd", 37 "xyz", 38 "octal", 39 "-3", 40 -3, 41 "-3.344", 42 -3.344, 43 NULL, 44 "NULL", 45 "0", 46 0, 47 TRUE, 48 "TRUE", 49 "1", 50 1, 51 FALSE, 52 "FALSE", 53 " ", 54 " ", 55 'b', 56 '\n', 57 "\n", 58 "12", 59 "12twelve", 60 $string 61); 62 63/* loop through to get the string starts with "needle" in $string */ 64for( $i = 0; $i < count($needles); $i++ ) { 65 echo "\n-- Iteration $i --\n"; 66 var_dump( strstr($string, $needles[$i]) ); 67} 68 69 70echo "\n*** Testing Miscelleneous input data ***\n"; 71 72echo "-- Passing objects as string and needle --\n"; 73/* we get "Catchable fatal error: saying Object of class needle could not be 74converted to string" by default when an object is passed instead of string: 75The error can be avoided by choosing the __toString magix method as follows: */ 76 77class string 78{ 79 function __toString() { 80 return "Hello, world"; 81 } 82} 83$obj_string = new string; 84 85class needle 86{ 87 function __toString() { 88 return "world"; 89 } 90} 91$obj_needle = new needle; 92 93var_dump(strstr("$obj_string", "$obj_needle")); 94 95 96echo "\n-- passing an array as string and needle --\n"; 97$needles = array("hello", "?world", "!$%**()%**[][[[&@#~!"); 98var_dump( strstr($needles, $needles) ); // won't work 99var_dump( strstr("hello?world,!$%**()%**[][[[&@#~!", "$needles[1]") ); // works 100var_dump( strstr("hello?world,!$%**()%**[][[[&@#~!", "$needles[2]") ); // works 101 102 103echo "\n-- passing Resources as string and needle --\n"; 104$resource1 = fopen(__FILE__, "r"); 105$resource2 = opendir("."); 106var_dump( strstr($resource1, $resource1) ); 107var_dump( strstr($resource1, $resource2) ); 108 109 110echo "\n-- Posiibilities with null --\n"; 111var_dump( strstr("", NULL) ); 112var_dump( strstr(NULL, NULL) ); 113var_dump( strstr("a", NULL) ); 114var_dump( strstr("/x0", "0") ); // Hexadecimal NUL 115 116echo "\n-- A longer and heredoc string --\n"; 117$string = <<<EOD 118abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 119abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 120abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 121abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 122abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 123abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 124abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 125abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 126abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 127abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 128EOD; 129var_dump( strstr($string, "abcd") ); 130var_dump( strstr($string, "1234") ); 131 132echo "\n-- A heredoc null string --\n"; 133$str = <<<EOD 134EOD; 135var_dump( strstr($str, "\0") ); 136var_dump( strstr($str, NULL) ); 137var_dump( strstr($str, "0") ); 138 139 140echo "\n-- simple and complex syntax strings --\n"; 141$needle = 'world'; 142 143/* Simple syntax */ 144var_dump( strstr("Hello, world", "$needle") ); // works 145var_dump( strstr("Hello, world'S", "$needle'S") ); // works 146var_dump( strstr("Hello, worldS", "$needleS") ); // won't work 147 148/* String with curly braces, complex syntax */ 149var_dump( strstr("Hello, worldS", "${needle}S") ); // works 150var_dump( strstr("Hello, worldS", "{$needle}S") ); // works 151 152 153echo "\n-- complex strings containing other than 7-bit chars --\n"; 154$str = chr(0).chr(128).chr(129).chr(234).chr(235).chr(254).chr(255); 155echo "- Positions of some chars in the string '$str' are as follows -\n"; 156echo chr(128)." => "; 157var_dump( strstr($str, chr(128)) ); 158echo chr(255)." => "; 159var_dump( strstr($str, chr(255)) ); 160echo chr(256)." => "; 161var_dump( strstr($str, chr(256)) ); 162 163echo "\n*** Testing error conditions ***"; 164var_dump( strstr($string, "")); 165var_dump( strstr() ); // zero argument 166var_dump( strstr("") ); // null argument 167var_dump( strstr($string) ); // without "needle" 168var_dump( strstr("a", "b", "c") ); // args > expected 169var_dump( strstr(NULL, "") ); 170 171echo "\nDone"; 172 173fclose($resource1); 174closedir($resource2); 175?> 176--EXPECTF-- 177*** Testing basic functionality of strstr() *** 178string(11) "test string" 179string(6) "string" 180string(6) "string" 181string(8) "t string" 182string(1) "g" 183string(32) "7272696018bdeb2c9a3f8d01fc2a9273" 184bool(false) 185bool(false) 186bool(false) 187bool(false) 188bool(false) 189 190*** Testing strstr() with various needles *** 191-- Iteration 0 -- 192string(86) "Hello world,012033 -3.3445 NULL TRUE FALSE� abcd\xxyz �0 octal 193 194abcd$:Hello world" 195 196-- Iteration 1 -- 197bool(false) 198 199-- Iteration 2 -- 200string(40) "� abcd\xxyz �0 octal 201 202abcd$:Hello world" 203 204-- Iteration 3 -- 205string(40) "� abcd\xxyz �0 octal 206 207abcd$:Hello world" 208 209-- Iteration 4 -- 210string(28) "�0 octal 211 212abcd$:Hello world" 213 214-- Iteration 5 -- 215string(38) "abcd\xxyz �0 octal 216 217abcd$:Hello world" 218 219-- Iteration 6 -- 220string(32) "xyz �0 octal 221 222abcd$:Hello world" 223 224-- Iteration 7 -- 225string(25) "octal 226 227abcd$:Hello world" 228 229-- Iteration 8 -- 230string(67) "-3.3445 NULL TRUE FALSE� abcd\xxyz �0 octal 231 232abcd$:Hello world" 233 234-- Iteration 9 -- 235bool(false) 236 237-- Iteration 10 -- 238string(67) "-3.3445 NULL TRUE FALSE� abcd\xxyz �0 octal 239 240abcd$:Hello world" 241 242-- Iteration 11 -- 243bool(false) 244 245-- Iteration 12 -- 246string(40) "� abcd\xxyz �0 octal 247 248abcd$:Hello world" 249 250-- Iteration 13 -- 251string(55) "NULL TRUE FALSE� abcd\xxyz �0 octal 252 253abcd$:Hello world" 254 255-- Iteration 14 -- 256string(74) "012033 -3.3445 NULL TRUE FALSE� abcd\xxyz �0 octal 257 258abcd$:Hello world" 259 260-- Iteration 15 -- 261string(40) "� abcd\xxyz �0 octal 262 263abcd$:Hello world" 264 265-- Iteration 16 -- 266bool(false) 267 268-- Iteration 17 -- 269string(50) "TRUE FALSE� abcd\xxyz �0 octal 270 271abcd$:Hello world" 272 273-- Iteration 18 -- 274string(73) "12033 -3.3445 NULL TRUE FALSE� abcd\xxyz �0 octal 275 276abcd$:Hello world" 277 278-- Iteration 19 -- 279bool(false) 280 281-- Iteration 20 -- 282string(40) "� abcd\xxyz �0 octal 283 284abcd$:Hello world" 285 286-- Iteration 21 -- 287string(45) "FALSE� abcd\xxyz �0 octal 288 289abcd$:Hello world" 290 291-- Iteration 22 -- 292string(81) " world,012033 -3.3445 NULL TRUE FALSE� abcd\xxyz �0 octal 293 294abcd$:Hello world" 295 296-- Iteration 23 -- 297string(60) " NULL TRUE FALSE� abcd\xxyz �0 octal 298 299abcd$:Hello world" 300 301-- Iteration 24 -- 302string(37) "bcd\xxyz �0 octal 303 304abcd$:Hello world" 305 306-- Iteration 25 -- 307bool(false) 308 309-- Iteration 26 -- 310string(20) " 311 312abcd$:Hello world" 313 314-- Iteration 27 -- 315string(73) "12033 -3.3445 NULL TRUE FALSE� abcd\xxyz �0 octal 316 317abcd$:Hello world" 318 319-- Iteration 28 -- 320bool(false) 321 322-- Iteration 29 -- 323string(86) "Hello world,012033 -3.3445 NULL TRUE FALSE� abcd\xxyz �0 octal 324 325abcd$:Hello world" 326 327*** Testing Miscelleneous input data *** 328-- Passing objects as string and needle -- 329string(5) "world" 330 331-- passing an array as string and needle -- 332 333Warning: strstr() expects parameter 1 to be string, array given in %s on line %d 334NULL 335string(27) "?world,!$%**()%**[][[[&@#~!" 336string(20) "!$%**()%**[][[[&@#~!" 337 338-- passing Resources as string and needle -- 339 340Warning: strstr() expects parameter 1 to be string, resource given in %s on line %d 341NULL 342 343Warning: strstr() expects parameter 1 to be string, resource given in %s on line %d 344NULL 345 346-- Posiibilities with null -- 347bool(false) 348bool(false) 349bool(false) 350string(1) "0" 351 352-- A longer and heredoc string -- 353string(729) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 354abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 355abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 356abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 357abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 358abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 359abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 360abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 361abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 362abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789" 363string(702) "123456789abcdefghijklmnopqrstuvwxyz0123456789 364abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 365abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 366abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 367abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 368abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 369abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 370abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 371abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789 372abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789" 373 374-- A heredoc null string -- 375bool(false) 376bool(false) 377bool(false) 378 379-- simple and complex syntax strings -- 380string(5) "world" 381string(7) "world'S" 382 383Notice: Undefined variable: needleS in %s on line %d 384 385Warning: strstr(): Empty needle in %s on line %d 386bool(false) 387string(6) "worldS" 388string(6) "worldS" 389 390-- complex strings containing other than 7-bit chars -- 391- Positions of some chars in the string '�������' are as follows - 392� => string(6) "������" 393� => string(1) "�" 394� => string(7) "�������" 395 396*** Testing error conditions *** 397Warning: strstr(): Empty needle in %s on line %d 398bool(false) 399 400Warning: strstr() expects at least 2 parameters, 0 given in %s on line %d 401NULL 402 403Warning: strstr() expects at least 2 parameters, 1 given in %s on line %d 404NULL 405 406Warning: strstr() expects at least 2 parameters, 1 given in %s on line %d 407NULL 408bool(false) 409 410Warning: strstr(): Empty needle in %s on line %d 411bool(false) 412 413Done 414
