static function register($protocol = 'sftp')
    {
        if (in_array($protocol, stream_get_wrappers(), true)) {
            return false;
        }
        $class = function_exists('get_called_class') ? get_called_class() : __CLASS__;
        return stream_wrapper_register($protocol, $class);
    }
static function register($protocol = 'sftp')
    {
        if (in_array($protocol, stream_get_wrappers(), true)) {
            return false;
        }
        $class = function_exists('get_called_class') ? get_called_class() : __CLASS__;
        return stream_wrapper_register($protocol, $class);
    }
static function register ( $ protocol = 'sftp' ) { if ( in_array ( $ protocol , stream_get_wrappers ( ) , true ) ) { return false ; } $ class = function_exists ( 'get_called_class' ) ? get_called_class ( ) : __CLASS__ ; return stream_wrapper_register ( $ protocol , $ class ) ; }
Registers this class as a URL wrapper.

@param string $protocol The wrapper name to be registered.
@return bool True on success, false otherwise.
@access public
Registers this class as a URL wrapper .