pods-framework / pods

			$ignore = array( 'attachment', 'revision', 'nav_menu_item' );

			foreach ( $post_types as $post_type => $label ) {

				if ( in_array( $post_type, $ignore, true ) || empty( $post_type ) ) {

					unset( $post_types[ $post_type ] );

					continue;

				} elseif ( 0 === strpos( $post_type, '_pods_' ) && apply_filters( 'pods_pick_ignore_internal', true ) ) {

					unset( $post_types[ $post_type ] );

					continue;

				}

				$post_type = get_post_type_object( $post_type );

				self::$related_objects[ 'post_type-' . $post_type->name ] = array(

					'label'         => $post_type->label . ' (' . $post_type->name . ')',

					'group'         => __( 'Post Types', 'pods' ),

					'bidirectional' => true,

				);

			}

			// Taxonomies for relationships.

			$taxonomies = get_taxonomies();

			$ignore = array( 'nav_menu', 'post_format' );

			foreach ( $taxonomies as $taxonomy => $label ) {

				/**

				 * Prevent ability to extend core Pods content types.

				 *

				 * @param bool $ignore_internal Default is true, when set to false Pods internal content types can not be extended.

				 *

				 * @since 2.3.19

				 */

				$ignore_internal = apply_filters( 'pods_pick_ignore_internal', true );

				if ( in_array( $taxonomy, $ignore, true ) || empty( $taxonomy ) ) {

					unset( $taxonomies[ $taxonomy ] );

					continue;

				} elseif ( 0 === strpos( $taxonomy, '_pods_' ) && $ignore_internal ) {

					unset( $taxonomies[ $taxonomy ] );

					continue;

				}

				$taxonomy = get_taxonomy( $taxonomy );

				self::$related_objects[ 'taxonomy-' . $taxonomy->name ] = array(

					'label'         => $taxonomy->label . ' (' . $taxonomy->name . ')',

					'group'         => __( 'Taxonomies', 'pods' ),

					'bidirectional' => true,

				);

			}//end foreach

			// Other WP Objects for relationships.

			self::$related_objects['user'] = array(