BP_Activity_Activity::delete( array $args = array() )

	public static function delete( $args = array() ) {
		global $wpdb;

		$bp = buddypress();
		$r  = wp_parse_args( $args, array(
			'id'                => false,
			'action'            => false,
			'content'           => false,
			'component'         => false,
			'type'              => false,
			'primary_link'      => false,
			'user_id'           => false,
			'item_id'           => false,
			'secondary_item_id' => false,
			'date_recorded'     => false,
			'hide_sitewide'     => false
		) );

		// Setup empty array from where query arguments.
		$where_args = array();

		// ID.
		if ( ! empty( $r['id'] ) ) {
			$where_args[] = $wpdb->prepare( "id = %d", $r['id'] );
		}

		// User ID.
		if ( ! empty( $r['user_id'] ) ) {
			$where_args[] = $wpdb->prepare( "user_id = %d", $r['user_id'] );
		}

		// Action.
		if ( ! empty( $r['action'] ) ) {
			$where_args[] = $wpdb->prepare( "action = %s", $r['action'] );
		}

		// Content.
		if ( ! empty( $r['content'] ) ) {
			$where_args[] = $wpdb->prepare( "content = %s", $r['content'] );
		}

		// Component.
		if ( ! empty( $r['component'] ) ) {
			$where_args[] = $wpdb->prepare( "component = %s", $r['component'] );
		}

		// Type.
		if ( ! empty( $r['type'] ) ) {
			$where_args[] = $wpdb->prepare( "type = %s", $r['type'] );
		}

		// Primary Link.
		if ( ! empty( $r['primary_link'] ) ) {
			$where_args[] = $wpdb->prepare( "primary_link = %s", $r['primary_link'] );
		}

		// Item ID.
		if ( ! empty( $r['item_id'] ) ) {
			$where_args[] = $wpdb->prepare( "item_id = %d", $r['item_id'] );
		}

		// Secondary item ID.
		if ( ! empty( $r['secondary_item_id'] ) ) {
			$where_args[] = $wpdb->prepare( "secondary_item_id = %d", $r['secondary_item_id'] );
		}

		// Date Recorded.
		if ( ! empty( $r['date_recorded'] ) ) {
			$where_args[] = $wpdb->prepare( "date_recorded = %s", $r['date_recorded'] );
		}

		// Hidden sitewide.
		if ( ! empty( $r['hide_sitewide'] ) ) {
			$where_args[] = $wpdb->prepare( "hide_sitewide = %d", $r['hide_sitewide'] );
		}

		// Bail if no where arguments.
		if ( empty( $where_args ) ) {
			return false;
		}

		// Join the where arguments for querying.
		$where_sql = 'WHERE ' . join( ' AND ', $where_args );

		// Fetch all activities being deleted so we can perform more actions.
		$activities = $wpdb->get_results( "SELECT * FROM {$bp->activity->table_name} {$where_sql}" );

		/**
		 * Action to allow intercepting activity items to be deleted.
		 *
		 * @since BuddyPress 2.3.0
		 *
		 * @param array $activities Array of activities.
		 * @param array $r          Array of parsed arguments.
		 */
		do_action_ref_array( 'bp_activity_before_delete', array( $activities, $r ) );

		// Attempt to delete activities from the database.
		$deleted = $wpdb->query( "DELETE FROM {$bp->activity->table_name} {$where_sql}" );

		// Bail if nothing was deleted.
		if ( empty( $deleted ) ) {
			return false;
		}

		/**
		 * Action to allow intercepting activity items just deleted.
		 *
		 * @since BuddyPress 2.3.0
		 *
		 * @param array $activities Array of activities.
		 * @param array $r          Array of parsed arguments.
		 */
		do_action_ref_array( 'bp_activity_after_delete', array( $activities, $r ) );

		// Pluck the activity IDs out of the $activities array.
		$activity_ids = wp_parse_id_list( wp_list_pluck( $activities, 'id' ) );

		// Handle accompanying activity comments and meta deletion.
		if ( ! empty( $activity_ids ) ) {

			// Delete all activity meta entries for activity items.
			BP_Activity_Activity::delete_activity_meta_entries( $activity_ids );

			// Setup empty array for comments.
			$comment_ids = array();

			// Loop through activity ids and attempt to delete comments.
			foreach ( $activity_ids as $activity_id ) {

				// Attempt to delete comments.
				$comments = BP_Activity_Activity::delete( array(
					'type'    => 'activity_comment',
					'item_id' => $activity_id
				) );

				// Merge IDs together.
				if ( ! empty( $comments ) ) {
					$comment_ids = array_merge( $comment_ids, $comments );
				}
			}

			// Merge activity IDs with any deleted comment IDs.
			if ( ! empty( $comment_ids ) ) {
				$activity_ids = array_unique( array_merge( $activity_ids, $comment_ids ) );
			}
		}

		return $activity_ids;
	}