/**
* This is a unicode aware replacement for strlen()
*
* Uses mb_string extension if available
*
* @author Andreas Gohr <*****@*****.**>
* @see strlen()
*/
static function utf8_strlen($string)
{
if (!defined('UTF8_NOMBSTRING') && function_exists('mb_strlen')) {
return mb_strlen($string, 'utf-8');
}
$uni = UTF8::utf8_to_unicode($string);
return count($uni);
}