36 lines
1.1 KiB
PHP
36 lines
1.1 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* @version $Id: strlen.php 10381 2008-06-01 03:35:53Z pasamio $
|
||
|
|
* @package utf8
|
||
|
|
* @subpackage strings
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Define UTF8_STRLEN as required
|
||
|
|
*/
|
||
|
|
if ( !defined('UTF8_STRLEN') ) {
|
||
|
|
define('UTF8_STRLEN',TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
/**
|
||
|
|
* Unicode aware replacement for strlen(). Returns the number
|
||
|
|
* of characters in the string (not the number of bytes), replacing
|
||
|
|
* multibyte characters with a single byte equivalent
|
||
|
|
* utf8_decode() converts characters that are not in ISO-8859-1
|
||
|
|
* to '?', which, for the purpose of counting, is alright - It's
|
||
|
|
* much faster than iconv_strlen
|
||
|
|
* Note: this function does not count bad UTF-8 bytes in the string
|
||
|
|
* - these are simply ignored
|
||
|
|
* @author <chernyshevsky at hotmail dot com>
|
||
|
|
* @link http://www.php.net/manual/en/function.strlen.php
|
||
|
|
* @link http://www.php.net/manual/en/function.utf8-decode.php
|
||
|
|
* @param string UTF-8 string
|
||
|
|
* @return int number of UTF-8 characters in string
|
||
|
|
* @package utf8
|
||
|
|
* @subpackage strings
|
||
|
|
*/
|
||
|
|
function utf8_strlen($str){
|
||
|
|
return strlen(utf8_decode($str));
|
||
|
|
}
|