item('charset') == 'UTF-8' // Application charset must be UTF-8 ) { log_message('debug', "UTF-8 Support Enabled"); define('UTF8_ENABLED', TRUE); // set internal encoding for multibyte string functions if necessary // and set a flag so we don't have to repeatedly use extension_loaded() // or function_exists() if (extension_loaded('mbstring')) { define('MB_ENABLED', TRUE); mb_internal_encoding('UTF-8'); } else { define('MB_ENABLED', FALSE); } } else { log_message('debug', "UTF-8 Support Disabled"); define('UTF8_ENABLED', FALSE); } } // -------------------------------------------------------------------- /** * Clean UTF-8 strings * * Ensures strings are UTF-8 * * @access public * @param string * @return string */ function clean_string($str) { if ($this->_is_ascii($str) === FALSE) { $str = @iconv('UTF-8', 'UTF-8//IGNORE', $str); } return $str; } // -------------------------------------------------------------------- /** * Remove ASCII control characters * * Removes all ASCII control characters except horizontal tabs, * line feeds, and carriage returns, as all others can cause * problems in XML * * @access public * @param string * @return string */ function safe_ascii_for_xml