Featured_Content::pre_get_posts( WP_Query $query ): WP_Query

217	public static function pre_get_posts( $query ) {218 219		// Bail if not home or not main query.220		if ( ! $query->is_home() || ! $query->is_main_query() ) {221			return;222		}223 224		// Bail if the blog page is not the front page.225		if ( 'posts' !== get_option( 'show_on_front' ) ) {226			return;227		}228 229		$featured = self::get_featured_post_ids();230 231		// Bail if no featured posts.232		if ( ! $featured ) {233			return;234		}235 236		// We need to respect post IDs already in the exclude list.237		$post__not_in = $query->get( 'post__not_in' );238 239		if ( ! empty( $post__not_in ) ) {240			$featured = array_merge( (array) $post__not_in, $featured );241			$featured = array_unique( $featured );242		}243 244		$query->set( 'post__not_in', $featured );245	}