Merge branch 'improvement/digest-pdo-params' of immanuelfodor/tt-rss into master

				ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id

				AND include_in_digest = true

				AND $interval_qpart

				AND ttrss_user_entries.owner_uid = ?

				AND ttrss_user_entries.owner_uid = :user_id

				AND unread = true

				AND score >= 0

			ORDER BY ttrss_feed_categories.title, ttrss_feeds.title, score DESC, date_updated DESC

			LIMIT ?");

		$sth->execute([$user_id, $limit]);

			LIMIT :limit");

		$sth->bindParam(':user_id', intval($user_id, 10), \PDO::PARAM_INT);

		$sth->bindParam(':limit', intval($limit, 10), \PDO::PARAM_INT);

		$sth->execute();

		$headlines_count = 0;

		$headlines = array();