public static function getMIMEMediaReg() { if (MIME::$MIMEMediaReg == "") { MIME::$MIMEMediaReg = "/" . join("|", array_map(function ($item) { return preg_replace("/\\./", "\\.", $item) . "\$"; }, array_keys(MIME::$MIMEMediaTable))) . "/"; } return MIME::$MIMEMediaReg; }