BP_Search::load_search_helpers()

		public function load_search_helpers() {
			global $bp;

			//load the helper type parent class
			require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-types.php' );

			//load and associate helpers one by one
			if ( bp_is_search_post_type_enable( 'post' ) ) {
				require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-posts.php' );
				$this->search_helpers['posts'] = new Bp_Search_Posts( 'post', 'posts' );
				$this->searchable_items[] = 'posts';
			}

			if ( bp_is_search_post_type_enable( 'page' ) ) {
				require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-posts.php' );
				$this->search_helpers['pages'] = new Bp_Search_Posts( 'page', 'pages' );
			}

			if ( bp_is_active( 'forums' ) && bp_is_search_post_type_enable( 'forum' ) ) {

				require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-bbpress.php' );

				if ( bp_is_search_post_type_enable( 'forum' ) ) {
					require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-bbpress-forums.php' );
					$this->search_helpers['forum'] = Bp_Search_bbPress_Forums::instance();
					$this->searchable_items[]      = 'forum';
				}


				if ( bp_is_search_post_type_enable( 'topic' ) ) {
					require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-bbpress-forums-topics.php' );
					$this->search_helpers['topic'] = Bp_Search_bbPress_Topics::instance();
					$this->searchable_items[]      = 'topic';
				}

				if ( bp_is_search_post_type_enable( 'reply' ) ) {
					require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-bbpress-forums-replies.php' );
					$this->search_helpers['reply'] = Bp_Search_bbPress_Replies::instance();
					$this->searchable_items[]      = 'reply';
				}
			}

			//Check BuddyPress is active
			if ( bp_is_search_members_enable() ) {
				require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-members.php' );
				$this->search_helpers['members'] = Bp_Search_Members::instance();
				$this->searchable_items[]        = 'members';
			}

			if ( bp_is_active( 'groups' ) && bp_is_search_groups_enable() ) {
				require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-groups.php' );
				$this->search_helpers['groups'] = Bp_Search_Groups::instance();
				$this->searchable_items[]       = 'groups';
			}

			if ( bp_is_active( 'activity' ) && bp_is_search_activity_enable() ) {
				require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-activities.php' );
				$this->search_helpers['activity'] = Bp_Search_Activities::instance();
				$this->searchable_items[]         = 'activity';

				if ( bp_is_search_activity_comments_enable() ) {
					require_once( $bp->plugin_dir . 'bp-search/classes/class-bp-search-activity-comments.php' );
					$this->search_helpers['activity_comment'] = Bp_Search_Activity_Comment::instance();
					$this->searchable_items[]                 = 'activity_comment';

				}
			}

			/**
			 * Hook to load helper classes for additional search types.
			 */
			$additional_search_helpers = apply_filters( 'bp_search_additional_search_helpers', array() );
			if ( ! empty( $additional_search_helpers ) ) {
				foreach ( $additional_search_helpers as $search_type => $helper_object ) {
					/**
					 * All helper classes must inherit from bp_search_Type
					 */
					if ( ! isset( $this->search_helpers[ $search_type ] ) && is_a( $helper_object, 'BP_Search_Type' ) ) {
						$this->search_helpers[ $search_type ] = $helper_object;
					}
				}
			}

		}