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