1--TEST-- 2Test mb_strripos() function : usage variations - Pass different integers as $offset argument 3--SKIPIF-- 4<?php 5extension_loaded('mbstring') or die('skip'); 6function_exists('mb_strripos') or die("skip mb_strripos() is not available in this build"); 7?> 8--FILE-- 9<?php 10/* Prototype : int mb_strripos(string haystack, string needle [, int offset [, string encoding]]) 11 * Description: Finds position of last occurrence of a string within another, case insensitive 12 * Source code: ext/mbstring/mbstring.c 13 * Alias to functions: 14 */ 15 16/* 17 * Test how mb_strripos() behaves when passed different integers as $offset argument 18 * The character length of $string_ascii and $string_mb is the same, 19 * and the needle appears at the same positions in both strings 20 */ 21 22mb_internal_encoding('UTF-8'); 23 24echo "*** Testing mb_strripos() : usage variations ***\n"; 25 26$string_ascii = '+Is an English string'; //21 chars 27$needle_ascii = 'G'; 28 29$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII='); //21 chars 30$needle_mb = base64_decode('44CC'); 31 32/* 33 * Loop through integers as multiples of ten for $offset argument 34 * mb_strripos should not be able to accept negative values as $offset. 35 * 60 is larger than *BYTE* count for $string_mb 36 */ 37for ($i = -10; $i <= 60; $i += 10) { 38 echo "\n**-- Offset is: $i --**\n"; 39 echo "-- ASCII String --\n"; 40 var_dump(mb_strripos($string_ascii, $needle_ascii, $i)); 41 echo "--Multibyte String --\n"; 42 var_dump(mb_strripos($string_mb, $needle_mb, $i, 'UTF-8')); 43} 44 45echo "Done"; 46?> 47--EXPECTF-- 48*** Testing mb_strripos() : usage variations *** 49 50**-- Offset is: -10 --** 51-- ASCII String -- 52int(9) 53--Multibyte String -- 54int(9) 55 56**-- Offset is: 0 --** 57-- ASCII String -- 58int(20) 59--Multibyte String -- 60int(20) 61 62**-- Offset is: 10 --** 63-- ASCII String -- 64int(20) 65--Multibyte String -- 66int(20) 67 68**-- Offset is: 20 --** 69-- ASCII String -- 70int(20) 71--Multibyte String -- 72int(20) 73 74**-- Offset is: 30 --** 75-- ASCII String -- 76 77Warning: mb_strripos(): Offset is greater than the length of haystack string in %s on line %d 78bool(false) 79--Multibyte String -- 80 81Warning: mb_strripos(): Offset is greater than the length of haystack string in %s on line %d 82bool(false) 83 84**-- Offset is: 40 --** 85-- ASCII String -- 86 87Warning: mb_strripos(): Offset is greater than the length of haystack string in %s on line %d 88bool(false) 89--Multibyte String -- 90 91Warning: mb_strripos(): Offset is greater than the length of haystack string in %s on line %d 92bool(false) 93 94**-- Offset is: 50 --** 95-- ASCII String -- 96 97Warning: mb_strripos(): Offset is greater than the length of haystack string in %s on line %d 98bool(false) 99--Multibyte String -- 100 101Warning: mb_strripos(): Offset is greater than the length of haystack string in %s on line %d 102bool(false) 103 104**-- Offset is: 60 --** 105-- ASCII String -- 106 107Warning: mb_strripos(): Offset is greater than the length of haystack string in %s on line %d 108bool(false) 109--Multibyte String -- 110 111Warning: mb_strripos(): Offset is greater than the length of haystack string in %s on line %d 112bool(false) 113Done 114