1--TEST-- 2Test mb_strpos() function : mb_strpos bounds check is byte count rather than a character count 3--SKIPIF-- 4<?php 5extension_loaded('mbstring') or die('skip'); 6function_exists('mb_strpos') or die("skip mb_strpos() is not available in this build"); 7?> 8--FILE-- 9<?php 10/* Prototype : int mb_strpos(string $haystack, string $needle [, int $offset [, string $encoding]]) 11 * Description: Find position of first occurrence of a string within another 12 * Source code: ext/mbstring/mbstring.c 13 */ 14 15/* 16 * mb_strpos bounds check is byte count rather than a character count: 17 * The multibyte string should be returning the same results as the ASCII string. 18 * Multibyte string was not returning error message until offset was passed the 19 * byte count of the string. Should return error message when passed character count. 20 */ 21 22$offsets = array(20, 21, 22, 53, 54); 23$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII='); 24$needle = base64_decode('44CC'); 25 26foreach($offsets as $i) { 27 echo "\n-- Offset is $i --\n"; 28 echo "--Multibyte String:--\n"; 29 var_dump( mb_strpos($string_mb, $needle, $i, 'UTF-8') ); 30 echo"--ASCII String:--\n"; 31 var_dump(mb_strpos('This is na English ta', 'a', $i)); 32} 33?> 34--EXPECTF-- 35-- Offset is 20 -- 36--Multibyte String:-- 37int(20) 38--ASCII String:-- 39int(20) 40 41-- Offset is 21 -- 42--Multibyte String:-- 43bool(false) 44--ASCII String:-- 45bool(false) 46 47-- Offset is 22 -- 48--Multibyte String:-- 49 50Warning: mb_strpos(): Offset not contained in string in %s on line %d 51bool(false) 52--ASCII String:-- 53 54Warning: mb_strpos(): Offset not contained in string in %s on line %d 55bool(false) 56 57-- Offset is 53 -- 58--Multibyte String:-- 59 60Warning: mb_strpos(): Offset not contained in string in %s on line %d 61bool(false) 62--ASCII String:-- 63 64Warning: mb_strpos(): Offset not contained in string in %s on line %d 65bool(false) 66 67-- Offset is 54 -- 68--Multibyte String:-- 69 70Warning: mb_strpos(): Offset not contained in string in %s on line %d 71bool(false) 72--ASCII String:-- 73 74Warning: mb_strpos(): Offset not contained in string in %s on line %d 75bool(false) 76
