pods-framework / pods

     * @return array Simple object names

     * @since 2.3

     */

    public function simple_objects () {

		if ( $this->setup_related_objects() || null === self::$names_simple ) {

			$simple_objects = array();

			foreach ( self::$related_objects as $object => $related_object ) {

				if ( !isset( $related_object[ 'simple' ] ) || !$related_object[ 'simple' ] )

					continue;

				$simple_objects[] = $object;

			}

			self::$names_simple = (array) apply_filters( 'pods_form_ui_field_pick_simple_objects', $simple_objects );

		}

	    return self::$names_simple;

    }

    /**

     * Return available bidirectional object names

     * @return array Bidirectional object names

     * @since 2.3.4

     */

    public function bidirectional_objects () {

        if ( $this->setup_related_objects() || null === self::$names_bidirectional ) {

	        $bidirectional_objects = array();

	        foreach ( self::$related_objects as $object => $related_object ) {

		        if ( !isset( $related_object[ 'bidirectional' ] ) || !$related_object[ 'bidirectional' ] )

			        continue;

		        $bidirectional_objects[] = $object;

	        }

	        self::$names_bidirectional = (array) apply_filters( 'pods_form_ui_field_pick_bidirectional_objects', $bidirectional_objects );

        }

	    return self::$names_bidirectional;

    }

    /**

     * Define the current field's schema for DB table storage