1--TEST-- 2Test strrchr() function : usage variations - double quoted strings 3--FILE-- 4<?php 5/* Prototype : string strrchr(string $haystack, string $needle); 6 * Description: Finds the last occurrence of a character in a string. 7 * Source code: ext/standard/string.c 8*/ 9 10/* Test strrchr() function by passing various double quoted strings for 'haystack' & 'needle' */ 11 12echo "*** Testing strrchr() function: with various double quoted strings ***"; 13$haystack = "Hello,\t\n\0\n $&!#%\o,()*+-./:;<=>?@hello123456he \x234 \101 "; 14$needle = array( 15 //regular strings 16 "l", 17 "L", 18 "HELLO", 19 "hEllo", 20 21 //escape characters 22 "\t", 23 "\T", 24 " ", 25 "\n", 26 "\N", 27 " 28", //new line 29 30 //nulls 31 "\0", 32 NULL, 33 null, 34 35 //boolean false 36 FALSE, 37 false, 38 39 //empty string 40 "", 41 42 //special chars 43 " ", 44 "$", 45 " $", 46 "&", 47 "!#", 48 "%\o", 49 "\o,", 50 "()", 51 "*+", 52 "+", 53 "-", 54 ".", 55 ".;", 56 ":;", 57 ";", 58 "<=>", 59 ">", 60 "=>", 61 "?", 62 "@", 63 "@hEllo", 64 65 "12345", //decimal numeric string 66 "\x23", //hexadecimal numeric string 67 "#", //respective ASCII char of \x23 68 "\101", //octal numeric string 69 "A", //respective ASCII char of \101 70 "456HEE", //numerics + chars 71 42, //needle as int(ASCII value of "*") 72 $haystack //haystack as needle 73); 74 75/* loop through to get the position of the needle in haystack string */ 76$count = 1; 77for($index=0; $index<count($needle); $index++) { 78 echo "\n-- Iteration $count --\n"; 79 var_dump( strrchr($haystack, $needle[$index]) ); 80 $count++; 81} 82echo "*** Done ***"; 83?> 84--EXPECTF-- 85*** Testing strrchr() function: with various double quoted strings *** 86-- Iteration 1 -- 87string(16) "lo123456he #4 A " 88 89-- Iteration 2 -- 90bool(false) 91 92-- Iteration 3 -- 93string(53) "Hello, 94 95 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 96 97-- Iteration 4 -- 98string(8) "he #4 A " 99 100-- Iteration 5 -- 101string(47) " 102 103 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 104 105-- Iteration 6 -- 106string(36) "\o,()*+-./:;<=>?@hello123456he #4 A " 107 108-- Iteration 7 -- 109string(47) " 110 111 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 112 113-- Iteration 8 -- 114string(44) " 115 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 116 117-- Iteration 9 -- 118string(36) "\o,()*+-./:;<=>?@hello123456he #4 A " 119 120-- Iteration 10 -- 121string(44) " 122 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 123 124-- Iteration 11 -- 125string(45) " 126 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 127 128-- Iteration 12 -- 129string(45) " 130 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 131 132-- Iteration 13 -- 133string(45) " 134 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 135 136-- Iteration 14 -- 137string(45) " 138 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 139 140-- Iteration 15 -- 141string(45) " 142 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 143 144-- Iteration 16 -- 145string(45) " 146 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 147 148-- Iteration 17 -- 149string(1) " " 150 151-- Iteration 18 -- 152string(41) "$&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 153 154-- Iteration 19 -- 155string(1) " " 156 157-- Iteration 20 -- 158string(40) "&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 159 160-- Iteration 21 -- 161string(39) "!#%\o,()*+-./:;<=>?@hello123456he #4 A " 162 163-- Iteration 22 -- 164string(37) "%\o,()*+-./:;<=>?@hello123456he #4 A " 165 166-- Iteration 23 -- 167string(36) "\o,()*+-./:;<=>?@hello123456he #4 A " 168 169-- Iteration 24 -- 170string(33) "()*+-./:;<=>?@hello123456he #4 A " 171 172-- Iteration 25 -- 173string(31) "*+-./:;<=>?@hello123456he #4 A " 174 175-- Iteration 26 -- 176string(30) "+-./:;<=>?@hello123456he #4 A " 177 178-- Iteration 27 -- 179string(29) "-./:;<=>?@hello123456he #4 A " 180 181-- Iteration 28 -- 182string(28) "./:;<=>?@hello123456he #4 A " 183 184-- Iteration 29 -- 185string(28) "./:;<=>?@hello123456he #4 A " 186 187-- Iteration 30 -- 188string(26) ":;<=>?@hello123456he #4 A " 189 190-- Iteration 31 -- 191string(25) ";<=>?@hello123456he #4 A " 192 193-- Iteration 32 -- 194string(24) "<=>?@hello123456he #4 A " 195 196-- Iteration 33 -- 197string(22) ">?@hello123456he #4 A " 198 199-- Iteration 34 -- 200string(23) "=>?@hello123456he #4 A " 201 202-- Iteration 35 -- 203string(21) "?@hello123456he #4 A " 204 205-- Iteration 36 -- 206string(20) "@hello123456he #4 A " 207 208-- Iteration 37 -- 209string(20) "@hello123456he #4 A " 210 211-- Iteration 38 -- 212string(14) "123456he #4 A " 213 214-- Iteration 39 -- 215string(5) "#4 A " 216 217-- Iteration 40 -- 218string(5) "#4 A " 219 220-- Iteration 41 -- 221string(2) "A " 222 223-- Iteration 42 -- 224string(2) "A " 225 226-- Iteration 43 -- 227string(4) "4 A " 228 229-- Iteration 44 -- 230string(31) "*+-./:;<=>?@hello123456he #4 A " 231 232-- Iteration 45 -- 233string(53) "Hello, 234 235 $&!#%\o,()*+-./:;<=>?@hello123456he #4 A " 236*** Done *** 237