Database connection Type:

Forum settings config object. Type:

Forum sort order, posts with the least comments first. File core/modules/forum/src/ForumManager.php,

Array of last post information keyed by forum (term) id. Type:

Forum sort order, newest first. File core/modules/forum/src/ForumManager.php, line 28

Entity manager service Type:

Forum sort order, posts with most comments first. File core/modules/forum/src/ForumManager.php, line

public ForumManager::__construct(ConfigFactoryInterface $config_factory

public ForumManager::checkNodeType(NodeInterface $node)

protected ForumManager::getLastPost($tid)