public static function token()
    {
        $token = null;

        if (self::has('server.HTTP_X_TOKEN')) {
            $token = self::get('server.HTTP_X_TOKEN', 'md5');
        }

        if (self::has('request._token')) {
            $token = self::get('request._token', 'md5');
        }

        return $token;
    }
public static function token()
    {
        $token = null;

        if (self::has('server.HTTP_X_TOKEN')) {
            $token = self::get('server.HTTP_X_TOKEN', 'md5');
        }

        if (self::has('request._token')) {
            $token = self::get('request._token', 'md5');
        }

        return $token;
    }
public static function token ( ) { $ token = null ; if ( self :: has ( 'server.HTTP_X_TOKEN' ) ) { $ token = self :: get ( 'server.HTTP_X_TOKEN' , 'md5' ) ; } if ( self :: has ( 'request._token' ) ) { $ token = self :: get ( 'request._token' , 'md5' ) ; } return $ token ; }
Return the request token

@return  string  The request token or NULL if no token could be found
Return the request token