BP_Component::register_meta_tables( array $tables = array() )

	public function register_meta_tables( $tables = array() ) {
		global $wpdb;

		/**
		 * Filters the global meta_tables for the component.
		 *
		 * This is a dynamic hook that is based on the component string ID.
		 * It allows for component-specific filtering of table names. To filter
		 * *all* tables, use the 'bp_core_get_table_prefix' filter instead.
		 *
		 * @since BuddyPress 2.0.0
		 */
		$tables = apply_filters( 'bp_' . $this->id . '_meta_tables', $tables );

		/**
		 * Add the name of each metadata table to WPDB to allow BuddyPress
		 * components to play nicely with the WordPress metadata API.
		 */
		if ( !empty( $tables ) && is_array( $tables ) ) {
			foreach( $tables as $meta_prefix => $table_name ) {
				$wpdb->{$meta_prefix . 'meta'} = $table_name;
			}

			// Keep a record of the metadata tables in the component.
			$this->meta_tables = $tables;
		}

		/**
		 * Fires at the end of the register_meta_tables method inside BP_Component.
		 *
		 * This is a dynamic hook that is based on the component string ID.
		 *
		 * @since BuddyPress 2.0.0
		 */
		do_action( 'bp_' . $this->id . '_register_meta_tables' );
	}