111 lines
3.2 KiB
PHP
111 lines
3.2 KiB
PHP
<?php
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/*
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A small library that adds in fallbacks for some of the PHP multibyte string
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functions. Mainly inteneded to be used with Breadcrumb NavXT
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Copyright 2009-2020 John Havlik (email : john.havlik@mtekk.us)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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require_once(dirname(__FILE__) . '/block_direct_access.php');
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if(!function_exists('mb_strlen'))
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{
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/**
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* Fallback for mb_strlen for users without multibyte support
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*
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* @param string $string the string to determine the lenght of
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* @return int the number of characters in the string
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*/
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function mb_strlen($string)
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{
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return strlen($string);
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}
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}
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if(!function_exists('mb_strpos'))
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{
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/**
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* Fallback for mb_strpos for users without multibyte support
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*
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* @param string $haystack the string to search within
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* @param string $needle the string to search for
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* @return mixed position of the first instances of needle, or false if needle not found
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*/
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function mb_strpos($haystack, $needle, $offset = 0)
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{
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return strpos($haystack, $needle, $offset);
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}
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}
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if(!function_exists('mb_substr'))
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{
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/**
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* Fallback for mb_substr for users without multibyte support
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*
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* @param string $string the input string
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* @param int $start the start
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* @param int length the length of the substring
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* @return string the substring of specified length
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*/
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function mb_substr($string, $start, $length = 'a')
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{
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//This happens to be the easiest way to preserve the behavior of substr
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if($length = 'a')
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{
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return substr($string, $start);
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}
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else
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{
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return substr($string, $start, $length);
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}
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}
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}
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if(!function_exists('mb_strtolower'))
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{
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/**
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* Fallback for mb_strtolower for users without multibyte support
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*
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* @param string $str the string to change to lowercase
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* @param string $encoding the encoding of the string
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* @return string the lowercase string
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*/
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function mb_strtolower($str, $encoding = 'UTF-8')
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{
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return strtolower($str);
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}
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}
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//We need this constant to be defined, otherwise things will break
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if(!defined('MB_CASE_TITLE'))
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{
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define('MB_CASE_TITLE', '1');
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}
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if(!function_exists('mb_convert_case'))
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{
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/**
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* A very hacky fallback for mb_convert_case for users without multibyte support
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*
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* @param string $str the string to change the case on
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* @param int $mode the mode of case convert to use
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* @param string $encoding the encoding of the string
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* @return string the case converted string
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*/
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function mb_convert_case($str, $mode = MB_CASE_TITLE, $encoding = 'UTF-8')
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{
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//Only implementing MB_CASE_TITLE
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if($mode = MB_CASE_TITLE)
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{
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return ucwords($str);
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}
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return $str;
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}
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} |