/** * @name Charset * @author zhys9 * @param string $charset utf8/utf-8/gbk/gb2312 * */ public function Charset($charset = 'utf8') { $charset = strtolower($charset); if (in_array($charset, array('utf8', 'utf-8', 'gb2312', 'gbk'))) { self::$charset = $charset; } }