The direction, left-to-right, or right-to-left.
Defined using constants, either self::DIRECTION_LTR or self::DIRECTION_RTL.
Type: int
protected $direction = self::DIRECTION_LTR;
© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Language!Language.php/property/Language::direction/8.1.x