ACF_Post_Type{}ACF 1.0└─ ACF_Internal_Post_Type

Использование

$ACF_Post_Type = new ACF_Post_Type();
// use class methods

Методы

  1. public __construct()
  2. public register_post_type()
  3. public register_post_types()
  4. public enter_title_here( $default, $post )
  5. public get_settings_array()
  6. public validate_post( $post = array() )
  7. public ajax_validate_values()
  8. public get_post_type_args( $post, $escape_labels = true )
  9. public build_safe_context_for_metabox_cb( $post )
  10. public export_post_as_php( $post = array() )
  11. public flush_post_cache( $post )
  12. public translate_post( $post = array() )
  13. public prepare_post_for_import( $post )
  14. public import_cptui_post_type( $args )

Код ACF_Post_Type{} ACF 6.4.2

class ACF_Post_Type extends ACF_Internal_Post_Type {

	/**
	 * The ACF internal post type name.
	 *
	 * @var string
	 */
	public $post_type = 'acf-post-type';

	/**
	 * The prefix for the key used in the main post array.
	 *
	 * @var string
	 */
	public $post_key_prefix = 'post_type_';

	/**
	 * The cache key for a singular post.
	 *
	 * @var string
	 */
	public $cache_key = 'acf_get_post_type_post:key:';

	/**
	 * The cache key for a collection of posts.
	 *
	 * @var string
	 */
	public $cache_key_plural = 'acf_get_post_type_posts';

	/**
	 * The hook name for a singular post.
	 *
	 * @var string
	 */
	public $hook_name = 'post_type';

	/**
	 * The hook name for a collection of posts.
	 *
	 * @var string
	 */
	public $hook_name_plural = 'post_types';

	/**
	 * The name of the store used for the post type.
	 *
	 * @var string
	 */
	public $store = 'post-types';

	/**
	 * Constructs the class.
	 */
	public function __construct() {
		$this->register_post_type();

		// Include admin classes in admin.
		if ( is_admin() ) {
			acf_include( 'includes/admin/admin-internal-post-type-list.php' );
			acf_include( 'includes/admin/admin-internal-post-type.php' );
			acf_include( 'includes/admin/post-types/admin-post-type.php' );
			acf_include( 'includes/admin/post-types/admin-post-types.php' );
		}

		parent::__construct();

		add_action( 'acf/init', array( $this, 'register_post_types' ), 6 );
		add_filter( 'enter_title_here', array( $this, 'enter_title_here' ), 10, 2 );
	}

	/**
	 * Registers the acf-post-type custom post type with WordPress.
	 *
	 * @since 6.1
	 */
	public function register_post_type() {
		$cap = acf_get_setting( 'capability' );

		register_post_type(
			'acf-post-type',
			array(
				'labels'          => array(
					'name'               => __( 'Post Types', 'acf' ),
					'singular_name'      => __( 'Post Type', 'acf' ),
					'add_new'            => __( 'Add New', 'acf' ),
					'add_new_item'       => __( 'Add New Post Type', 'acf' ),
					'edit_item'          => __( 'Edit Post Type', 'acf' ),
					'new_item'           => __( 'New Post Type', 'acf' ),
					'view_item'          => __( 'View Post Type', 'acf' ),
					'search_items'       => __( 'Search Post Types', 'acf' ),
					'not_found'          => __( 'No Post Types found', 'acf' ),
					'not_found_in_trash' => __( 'No Post Types found in Trash', 'acf' ),
				),
				'public'          => false,
				'hierarchical'    => true,
				'show_ui'         => true,
				'show_in_menu'    => false,
				'_builtin'        => false,
				'capability_type' => 'post',
				'capabilities'    => array(
					'edit_post'    => $cap,
					'delete_post'  => $cap,
					'edit_posts'   => $cap,
					'delete_posts' => $cap,
				),
				'supports'        => false,
				'rewrite'         => false,
				'query_var'       => false,
			)
		);
	}

	/**
	 * Register activated post types with WordPress
	 *
	 * @since 6.1
	 */
	public function register_post_types() {
		foreach ( $this->get_posts( array( 'active' => true ) ) as $post_type ) {
			$post_type_key  = $post_type['post_type'];
			$post_type_args = $this->get_post_type_args( $post_type );

			if ( ! post_type_exists( $post_type_key ) ) {
				register_post_type( $post_type_key, $post_type_args );
			} else {
				// Flag on the store we bailed on registering this as it already exists.
				$store                         = acf_get_store( $this->store );
				$store_value                   = $store->get( $post_type['key'] );
				$store_value['not_registered'] = true;
				$store->set( $post_type['key'], $store_value );
			}
		}
	}

	/**
	 * Filters the "Add title" text for ACF post types.
	 *
	 * @since 6.2.1
	 *
	 * @param string  $default The default text.
	 * @param WP_Post $post    The WP_Post object.
	 * @return string
	 */
	public function enter_title_here( $default, $post ) {
		$post_types = $this->get_posts( array( 'active' => true ) );

		foreach ( $post_types as $post_type ) {
			if ( $post->post_type === $post_type['post_type'] && ! empty( $post_type['enter_title_here'] ) ) {
				return (string) $post_type['enter_title_here'];
			}
		}

		return $default;
	}

	/**
	 * Gets the default settings array for an ACF post type.
	 *
	 * @return array
	 */
	public function get_settings_array() {
		return array(
			// ACF-specific settings.
			'ID'                       => 0,
			'key'                      => '',
			'title'                    => '',
			'menu_order'               => 0,
			'active'                   => true,
			'post_type'                => '', // First $post_type param passed to register_post_type().
			'advanced_configuration'   => false,
			'import_source'            => '',
			'import_date'              => '',
			// Settings passed to register_post_type().
			'labels'                   => array(
				'name'                     => '',
				'singular_name'            => '',
				'menu_name'                => '',
				'all_items'                => '',
				'add_new'                  => '',
				'add_new_item'             => '',
				'edit_item'                => '',
				'new_item'                 => '',
				'view_item'                => '',
				'view_items'               => '',
				'search_items'             => '',
				'not_found'                => '',
				'not_found_in_trash'       => '',
				'parent_item_colon'        => '',
				'archives'                 => '',
				'attributes'               => '',
				'featured_image'           => '',
				'set_featured_image'       => '',
				'remove_featured_image'    => '',
				'use_featured_image'       => '',
				'insert_into_item'         => '',
				'uploaded_to_this_item'    => '',
				'filter_items_list'        => '',
				'filter_by_date'           => '',
				'items_list_navigation'    => '',
				'items_list'               => '',
				'item_published'           => '',
				'item_published_privately' => '',
				'item_reverted_to_draft'   => '',
				'item_scheduled'           => '',
				'item_updated'             => '',
				'item_link'                => '',
				'item_link_description'    => '',
			),
			'description'              => '',
			'public'                   => true, // WP defaults false, ACF defaults true.
			'hierarchical'             => false,
			'exclude_from_search'      => false,
			'publicly_queryable'       => true,
			'show_ui'                  => true,
			'show_in_menu'             => true,
			'admin_menu_parent'        => '',
			'show_in_admin_bar'        => true,
			'show_in_nav_menus'        => true,
			'show_in_rest'             => true,
			'rest_base'                => '',
			'rest_namespace'           => 'wp/v2',
			'rest_controller_class'    => 'WP_REST_Posts_Controller',
			'menu_position'            => null,
			'menu_icon'                => '',
			'rename_capabilities'      => false,
			'singular_capability_name' => 'post',
			'plural_capability_name'   => 'posts',
			'supports'                 => array( 'title', 'editor', 'thumbnail', 'custom-fields' ),
			'taxonomies'               => array(),
			'has_archive'              => false,
			'has_archive_slug'         => '',
			'rewrite'                  => array(
				'permalink_rewrite' => 'post_type_key', // ACF-specific option.
				'slug'              => '',
				'feeds'             => false,
				'pages'             => true,
				'with_front'        => true,
			),
			'query_var'                => 'post_type_key',
			'query_var_name'           => '', // ACF-specific option.
			'can_export'               => true,
			'delete_with_user'         => false,
			'register_meta_box_cb'     => '',
			'enter_title_here'         => '',
		);
	}

	/**
	 * Validates an ACF internal post type.
	 *
	 * @since 6.1
	 *
	 * @param array $post The main post array.
	 * @return array
	 */
	public function validate_post( $post = array() ) {
		// Bail early if already valid.
		if ( is_array( $post ) && ! empty( $post['_valid'] ) ) {
			return $post;
		}

		$defaults = $this->get_settings_array();
		$post     = wp_parse_args(
			$post,
			$defaults
		);

		// Convert types.
		$post['ID']         = (int) $post['ID'];
		$post['menu_order'] = (int) $post['menu_order'];

		foreach ( $post as $setting => $value ) {
			if ( isset( $defaults[ $setting ] ) ) {
				$default_type = gettype( $defaults[ $setting ] );

				// register_post_type() needs proper booleans.
				if ( 'boolean' === $default_type && in_array( $value, array( '0', '1' ), true ) ) {
					$post[ $setting ] = (bool) $value;
				}

				if ( 'boolean' === $default_type && in_array( $value, array( 'false', 'true' ), true ) ) {
					$post[ $setting ] = ! ( 'false' === $value );
				}
			}
		}

		// Post is now valid.
		$post['_valid'] = true;

		/**
		 * Filters the ACF post array to validate settings.
		 *
		 * @date    12/02/2014
		 * @since   5.0.0
		 *
		 * @param   array $post The post array.
		 */
		return apply_filters( "acf/validate_{$this->hook_name}", $post );
	}

	/**
	 * Validates post type values before allowing save from the global $_POST object.
	 * Errors are added to the form using acf_add_internal_post_type_validation_error().
	 *
	 * @since 6.1
	 *
	 * @return boolean validity status
	 */
	public function ajax_validate_values() {
		if ( empty( $_POST['acf_post_type']['post_type'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Verified elsewhere.
			return false;
		}

		$post_type_key = acf_sanitize_request_args( wp_unslash( $_POST['acf_post_type']['post_type'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Verified elsewhere.
		$post_type_key = is_string( $post_type_key ) ? $post_type_key : '';
		$valid         = true;

		if ( strlen( $post_type_key ) > 20 ) {
			$valid = false;
			acf_add_internal_post_type_validation_error( 'post_type', __( 'The post type key must be under 20 characters.', 'acf' ) );
		}

		if ( preg_match( '/^[a-z0-9_-]*$/', $post_type_key ) !== 1 ) {
			$valid = false;
			acf_add_internal_post_type_validation_error( 'post_type', __( 'The post type key must only contain lower case alphanumeric characters, underscores or dashes.', 'acf' ) );
		}

		if ( in_array( $post_type_key, acf_get_wp_reserved_terms(), true ) ) {
			$valid = false;
			/* translators: %s a link to WordPress.org's Reserved Terms page */
			$message = sprintf( __( 'This field must not be a WordPress <a href="%s" target="_blank">reserved term</a>.', 'acf' ), 'https://codex.wordpress.org/Reserved_Terms' );
			acf_add_internal_post_type_validation_error( 'post_type', $message );
		} else {
			// Check if this post key exists in the ACF store for registered post types, excluding those which failed registration.
			$store   = acf_get_store( $this->store );
			$post_id = (int) acf_maybe_get_POST( 'post_id', 0 );

			$matches    = array_filter(
				$store->get_data(),
				function ( $item ) use ( $post_type_key ) {
					return $item['post_type'] === $post_type_key && empty( $item['not_registered'] );
				}
			);
			$duplicates = array_filter(
				$matches,
				function ( $item ) use ( $post_id ) {
					return $item['ID'] !== $post_id;
				}
			);

			if ( $duplicates ) {
				$valid = false;
				acf_add_internal_post_type_validation_error( 'post_type', __( 'This post type key is already in use by another post type in ACF and cannot be used.', 'acf' ) );
			} else {
				// If we're not already in use with another ACF post type, check if we're registered, but not by ACF.
				if ( empty( $matches ) && post_type_exists( $post_type_key ) ) {
					$valid = false;
					acf_add_internal_post_type_validation_error( 'post_type', __( 'This post type key is already in use by another post type registered outside of ACF and cannot be used.', 'acf' ) );
				}
			}
		}

		$valid = apply_filters( "acf/{$this->hook_name}/ajax_validate_values", $valid, $_POST['acf_post_type'] ); // phpcs:ignore WordPress.Security -- Raw input send to hook for validation.

		return $valid;
	}

	/**
	 * Parses ACF post type settings and returns an array of post type
	 * args that can be easily handled by `register_post_type()`.
	 *
	 * Omits settings that line up with the WordPress defaults to reduce the size
	 * of the array passed to `register_post_type()`, which might be exported.
	 *
	 * @since 6.1
	 *
	 * @param  array   $post          The main ACF post type settings array.
	 * @param  boolean $escape_labels Determines if the label values should be escaped.
	 * @return array
	 */
	public function get_post_type_args( $post, $escape_labels = true ) {
		$args = array();

		// Make sure any provided labels are escaped strings and not empty.
		$labels = array_filter( $post['labels'] );
		$labels = array_map( 'strval', $labels );
		if ( $escape_labels ) {
			$labels = array_map( 'esc_html', $labels );
		}
		if ( ! empty( $labels ) ) {
			$args['labels'] = $labels;
		}

		// Description is an optional string.
		if ( ! empty( $post['description'] ) ) {
			$args['description'] = (string) $post['description'];
		}

		// ACF requires the public setting to decide other settings.
		$args['public'] = ! empty( $post['public'] );

		// WordPress and ACF both default to false, so this can be omitted if still false.
		if ( ! empty( $post['hierarchical'] ) ) {
			$args['hierarchical'] = true;
		}

		// WordPress defaults to the opposite of $args['public'].
		$exclude_from_search = (bool) $post['exclude_from_search'];
		if ( $exclude_from_search === $args['public'] ) {
			$args['exclude_from_search'] = $exclude_from_search;
		}

		// WordPress defaults to the same as $args['public'].
		$publicly_queryable = (bool) $post['publicly_queryable'];
		if ( $publicly_queryable !== $args['public'] ) {
			$args['publicly_queryable'] = $publicly_queryable;
		}

		// WordPress defaults to the same as $args['public'].
		$show_ui = (bool) $post['show_ui'];
		if ( $show_ui !== $args['public'] ) {
			$args['show_ui'] = $show_ui;
		}

		// WordPress defaults to the same as $args['show_ui'], can be string or boolean.
		$show_in_menu = (bool) $post['show_in_menu'];
		if ( $show_in_menu !== $show_ui ) {
			$args['show_in_menu'] = $show_in_menu;
		}

		// WordPress also accepts a string for $args['show_in_menu'] to change the menu parent.
		if ( $show_in_menu && ! empty( $post['admin_menu_parent'] ) ) {
			$args['show_in_menu'] = (string) $post['admin_menu_parent'];
		}

		// WordPress defaults to the same as $args['public'].
		$show_in_nav_menus = (bool) $post['show_in_nav_menus'];
		if ( $show_in_nav_menus !== $args['public'] ) {
			$args['show_in_nav_menus'] = $show_in_nav_menus;
		}

		// WordPress defaults to the same as $show_in_menu.
		$show_in_admin_bar = (bool) $post['show_in_admin_bar'];
		if ( $show_in_admin_bar !== $show_in_menu ) {
			$args['show_in_admin_bar'] = $show_in_admin_bar;
		}

		// ACF defaults to true, but can be overridden.
		$show_in_rest         = (bool) $post['show_in_rest'];
		$args['show_in_rest'] = $show_in_rest;

		// WordPress defaults to $post_type.
		$rest_base = (string) $post['rest_base'];
		if ( ! empty( $rest_base ) && $rest_base !== $post['post_type'] ) {
			$args['rest_base'] = $rest_base;
		}

		// WordPress defaults to "wp/v2".
		$rest_namespace = (string) $post['rest_namespace'];
		if ( ! empty( $rest_namespace ) && 'wp/v2' !== $rest_namespace ) {
			$args['rest_namespace'] = $post['rest_namespace'];
		}

		// WordPress defaults to "WP_REST_Posts_Controller".
		$rest_controller_class = (string) $post['rest_controller_class'];
		if ( ! empty( $rest_controller_class ) && 'WP_REST_Posts_Controller' !== $rest_controller_class ) {
			$args['rest_controller_class'] = $rest_controller_class;
		}

		// WordPress defaults to `null` (below the comments menu item).
		$menu_position = (int) $post['menu_position'];
		if ( $menu_position ) {
			$args['menu_position'] = $menu_position;
		}

		// Set the default for the icon.
		$args['menu_icon'] = 'dashicons-admin-post';

		// Override that default if a value is provided.
		if ( ! empty( $post['menu_icon'] ) ) {
			if ( is_string( $post['menu_icon'] ) ) {
				$args['menu_icon'] = $post['menu_icon'];
			}
			if ( is_array( $post['menu_icon'] ) ) {
				if ( $post['menu_icon']['type'] === 'media_library' ) {
					$args['menu_icon'] = wp_get_attachment_image_url( $post['menu_icon']['value'] );
				} else {
					$args['menu_icon'] = $post['menu_icon']['value'];
				}
			}
		}

		// WordPress defaults to "post" for `$args['capability_type']`, but can also take an array.
		$rename_capabilities = (bool) $post['rename_capabilities'];
		if ( $rename_capabilities ) {
			$singular_capability_name = (string) $post['singular_capability_name'];
			$plural_capability_name   = (string) $post['plural_capability_name'];
			$capability_type          = 'post';

			if ( ! empty( $singular_capability_name ) && ! empty( $plural_capability_name ) ) {
				$capability_type = array( $singular_capability_name, $plural_capability_name );
			} elseif ( ! empty( $singular_capability_name ) ) {
				$capability_type = $singular_capability_name;
			}

			if ( $capability_type !== 'post' && $capability_type !== array( 'post', 'posts' ) ) {
				$args['capability_type'] = $capability_type;
				$args['map_meta_cap']    = true;
			}
		}

		// TODO: We don't handle the `capabilities` arg at the moment, but may in the future.
		// WordPress defaults to the "title" and "editor" supports, but none can be provided by passing false (WP 3.5+).
		$supports = is_array( $post['supports'] ) ? $post['supports'] : array();
		$supports = array_unique( array_filter( array_map( 'strval', $supports ) ) );

		if ( empty( $supports ) ) {
			$args['supports'] = false;
		} else {
			$args['supports'] = $supports;
		}

		// Handle register meta box callbacks safely
		if ( ! empty( $post['register_meta_box_cb'] ) ) {
			$args['register_meta_box_cb'] = array( $this, 'build_safe_context_for_metabox_cb' );
		}

		// WordPress doesn't register any default taxonomies.
		$taxonomies = $post['taxonomies'];
		if ( ! is_array( $taxonomies ) ) {
			$taxonomies = (array) $taxonomies;
		}

		$taxonomies = array_filter( $taxonomies );
		if ( ! empty( $taxonomies ) ) {
			$args['taxonomies'] = $taxonomies;
		}

		// WordPress and ACF default to false, true or a string can also be provided.
		$has_archive = (bool) $post['has_archive'];
		if ( $has_archive ) {
			$has_archive_slug = (string) $post['has_archive_slug'];

			if ( ! empty( $has_archive_slug ) ) {
				$args['has_archive'] = $has_archive_slug;
			} else {
				$args['has_archive'] = true;
			}
		}

		// The rewrite arg can be a boolean or array of further settings. WordPress and ACF default to true.
		$rewrite         = (array) $post['rewrite'];
		$rewrite_enabled = true;
		$rewrite_args    = array();

		// ACF-specific select, defaults to "post_type_key".
		$rewrite['permalink_rewrite'] = isset( $rewrite['permalink_rewrite'] ) ? (string) $rewrite['permalink_rewrite'] : 'post_type_key';

		if ( 'no_permalink' === $rewrite['permalink_rewrite'] ) {
			$rewrite_enabled = false;
		}

		// Rewrite slug defaults to $post_type key if custom rewrites are not enabled.
		if ( ! empty( $rewrite['slug'] ) && $rewrite['slug'] !== $post['post_type'] && 'custom_permalink' === $rewrite['permalink_rewrite'] ) {
			$rewrite_args['slug'] = (string) $rewrite['slug'];
		}

		// WordPress defaults to true.
		if ( isset( $rewrite['with_front'] ) && ! $rewrite['with_front'] && $rewrite_enabled ) {
			$rewrite_args['with_front'] = false;
		}

		// WordPress defaults to value of `$args['has_archive']`.
		if ( isset( $rewrite['feeds'] ) && (bool) $rewrite['feeds'] !== $has_archive && $rewrite_enabled ) {
			$rewrite_args['feeds'] = (bool) $rewrite['feeds'];
		}

		// WordPress defaults to true.
		if ( isset( $rewrite['pages'] ) && ! $rewrite['pages'] && $rewrite_enabled ) {
			$rewrite_args['pages'] = false;
		}

		// Assemble rewrite args.
		if ( ! empty( $rewrite_args ) ) {
			$args['rewrite'] = $rewrite_args;
		} elseif ( ! $rewrite_enabled ) {
			$args['rewrite'] = false;
		}

		// WordPress and ACF default to $post_type key, a boolean can also be used.
		$query_var = (string) $post['query_var'];
		if ( 'custom_query_var' === $query_var ) {
			$query_var_name = (string) $post['query_var_name'];

			if ( ! empty( $query_var_name ) && $query_var_name !== $post['post_type'] ) {
				$args['query_var'] = $query_var_name;
			}
		} elseif ( 'none' === $query_var ) {
			$args['query_var'] = false;
		}

		// WordPress and ACF default to true.
		$can_export = (bool) $post['can_export'];
		if ( ! $can_export ) {
			$args['can_export'] = false;
		}

		// ACF defaults to false, while WordPress defaults to omitting (deletes only if author support is added).
		$args['delete_with_user'] = (bool) $post['delete_with_user'];

		return apply_filters( 'acf/post_type/registration_args', $args, $post );
	}

	/**
	 * Ensure the metabox being called does not perform any unsafe operations.
	 *
	 * @since 6.3.8
	 *
	 * @param WP_Post $post The post being rendered.
	 * @return mixed The callback result.
	 */
	public function build_safe_context_for_metabox_cb( $post ) {
		$post_types = $this->get_posts();
		$this_post  = array_filter(
			$post_types,
			function ( $post_type ) use ( $post ) {
				return $post_type['post_type'] === $post->post_type;
			}
		);
		if ( empty( $this_post ) || ! is_array( $this_post ) ) {
			// Unable to find the ACF post type. Don't do anything.
			return;
		}
		$acf_post_type = array_shift( $this_post );
		$original_cb   = isset( $acf_post_type['register_meta_box_cb'] ) ? $acf_post_type['register_meta_box_cb'] : false;

		// Prevent access to any wp_ prefixed functions in a callback.
		if ( apply_filters( 'acf/post_type/prevent_access_to_wp_functions_in_meta_box_cb', true ) && substr( strtolower( $original_cb ), 0, 3 ) === 'wp_' ) {
			// Don't execute register meta box callbacks if an internal wp function by default.
			return;
		}

		$unset     = array( '_POST', '_GET', '_REQUEST', '_COOKIE', '_SESSION', '_FILES', '_ENV', '_SERVER' );
		$originals = array();

		foreach ( $unset as $var ) {
			if ( isset( $GLOBALS[ $var ] ) ) {
				$originals[ $var ] = $GLOBALS[ $var ];
				$GLOBALS[ $var ]   = array(); //phpcs:ignore -- used for building a safe context
			}
		}

		$return = false;
		if ( is_callable( $original_cb ) ) {
			$return = call_user_func( $original_cb, $post );
		}

		foreach ( $unset as $var ) {
			if ( isset( $originals[ $var ] ) ) {
				$GLOBALS[ $var ] = $originals[ $var ]; //phpcs:ignore -- used for restoring the original context
			}
		}

		return $return;
	}

	/**
	 * Returns a string that can be used to create a post type in PHP.
	 *
	 * @since 6.1
	 *
	 * @param array $post The main post type array.
	 * @return string
	 */
	public function export_post_as_php( $post = array() ) {
		$return = '';
		if ( empty( $post ) ) {
			return $return;
		}

		$post_type_key = $post['post_type'];

		// Validate and prepare the post for export.
		$post = $this->validate_post( $post );
		$args = $this->get_post_type_args( $post, false );

		// Restore original metabox callback.
		if ( ! empty( $args['register_meta_box_cb'] ) && ! empty( $post['register_meta_box_cb'] ) ) {
			$args['register_meta_box_cb'] = (string) $post['register_meta_box_cb'];
		}

		$code = var_export( $args, true ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions -- Used for PHP export.

		if ( ! $code ) {
			return $return;
		}

		$code = $this->format_code_for_export( $code );

		$return .= "register_post_type( '{$post_type_key}', {$code} );\r\n";

		return esc_textarea( $return );
	}

	/**
	 * Flush rewrite rules whenever anything changes about a post type.
	 *
	 * @since 6.1
	 *
	 * @param array $post The main post type array.
	 */
	public function flush_post_cache( $post ) {
		// Bail early if we won't be able to register/unregister the post type.
		if ( empty( $post['post_type'] ) ) {
			return;
		}

		// Temporarily unregister the post type so that we can potentially re-register with the latest args below.
		if ( empty( $post['active'] ) || post_type_exists( $post['post_type'] ) ) {
			unregister_post_type( $post['post_type'] );
		}

		// When this is being called, the post type may not have been registered yet, so we do it now.
		if ( ! empty( $post['active'] ) ) {
			register_post_type( $post['post_type'], $this->get_post_type_args( $post ) );
		}

		// Flush our internal cache and the WordPress rewrite rules.
		parent::flush_post_cache( $post );
		flush_rewrite_rules();
	}

	/**
	 * Translates an ACF post.
	 *
	 * @since 6.1
	 *
	 * @param array $post The field group array.
	 * @return array
	 */
	public function translate_post( $post = array() ) {
		// Get settings.
		$l10n            = acf_get_setting( 'l10n' );
		$l10n_textdomain = acf_get_setting( 'l10n_textdomain' );

		// Translate field settings if textdomain is set.
		if ( $l10n && $l10n_textdomain ) {
			$post['title']       = acf_translate( $post['title'] );
			$post['description'] = acf_translate( $post['description'] );
			foreach ( $post['labels'] as $key => $label ) {
				$post['labels'][ $key ] = acf_translate( $label );
			}

			/**
			 * Filters the post array to translate strings.
			 *
			 * @date    12/02/2014
			 * @since   5.0.0
			 *
			 * @param   array $post The post array.
			 */
			$post = apply_filters( "acf/translate_{$this->hook_name}", $post );
		}

		return $post;
	}

	/**
	 * Prepares an ACF post type for import.
	 *
	 * @since 6.3.10
	 *
	 * @param array $post The ACF post array.
	 * @return array
	 */
	public function prepare_post_for_import( $post ) {
		if ( ! acf_get_setting( 'enable_meta_box_cb_edit' ) && ! empty( $post['register_meta_box_cb'] ) ) {
			$post['register_meta_box_cb'] = '';

			if ( ! empty( $post['ID'] ) ) {
				$existing_post = $this->get_post( $post['ID'] );

				if ( is_array( $existing_post ) ) {
					$post['register_meta_box_cb'] = ! empty( $existing_post['register_meta_box_cb'] ) ? (string) $existing_post['register_meta_box_cb'] : '';
				}
			}
		}

		return parent::prepare_post_for_import( $post );
	}

	/**
	 * Imports a post type from CPTUI.
	 *
	 * @since 6.1
	 *
	 * @param array $args Arguments from CPTUI.
	 * @return array
	 */
	public function import_cptui_post_type( $args ) {
		$acf_args = $this->get_settings_array();

		// Convert string boolean values to proper booleans.
		foreach ( $args as $key => $value ) {
			if ( in_array( $value, array( 'true', 'false' ), true ) ) {
				$args[ $key ] = filter_var( $value, FILTER_VALIDATE_BOOLEAN );
			}
		}

		if ( isset( $args['name'] ) ) {
			$acf_args['post_type'] = (string) $args['name'];
			unset( $args['name'] );
		}

		if ( isset( $args['labels'] ) ) {
			$acf_args['labels'] = array_merge( $acf_args['labels'], $args['labels'] );
			unset( $args['labels'] );
		}

		// ACF uses "name" as title, and stores in labels array.
		if ( isset( $args['label'] ) ) {
			$acf_args['title']          = (string) $args['label'];
			$acf_args['labels']['name'] = (string) $args['label'];
			unset( $args['label'] );
		}

		if ( isset( $args['singular_label'] ) ) {
			$acf_args['labels']['singular_name'] = (string) $args['singular_label'];
			unset( $args['singular_label'] );
		}

		if ( isset( $args['show_in_menu_string'] ) ) {
			$acf_args['admin_menu_parent'] = (string) $args['show_in_menu_string'];
			unset( $args['show_in_menu_string'] );
		}

		if ( isset( $args['rewrite'] ) ) {
			$rewrite = (bool) $args['rewrite'];

			if ( ! $rewrite ) {
				$acf_args['rewrite']['permalink_rewrite'] = 'no_permalink';
			} elseif ( ! empty( $args['rewrite_slug'] ) ) {
				$acf_args['rewrite']['permalink_rewrite'] = 'custom_permalink';
			} else {
				$acf_args['rewrite']['permalink_rewrite'] = 'post_type_key';
			}

			unset( $args['rewrite'] );
		}

		if ( isset( $args['rewrite_slug'] ) ) {
			$acf_args['rewrite']['slug'] = (string) $args['rewrite_slug'];
			unset( $args['rewrite_slug'] );
		}

		if ( isset( $args['rewrite_withfront'] ) ) {
			$acf_args['rewrite']['with_front'] = (bool) $args['rewrite_withfront'];
			unset( $args['rewrite_withfront'] );
		}

		// TODO: Investigate CPTUI usage of with_feeds, pages settings.
		// ACF handles capability type differently.
		if ( isset( $args['capability_type'] ) ) {
			if ( 'post' !== trim( $args['capability_type'] ) ) {
				$acf_args['rename_capabilities'] = true;

				$capabilities = explode( ',', $args['capability_type'] );
				$capabilities = array_map( 'trim', $capabilities );

				$acf_args['singular_capability_name'] = $capabilities[0];

				if ( count( $capabilities ) > 1 ) {
					$acf_args['plural_capability_name'] = $capabilities[1];
				}
			}

			unset( $args['capability_type'] );
		}

		// ACF names the has_archive slug differently.
		if ( isset( $args['has_archive_string'] ) ) {
			$acf_args['has_archive_slug'] = (string) $args['has_archive_string'];
			unset( $args['has_archive_string'] );
		}

		// ACF handles the query var and query var slug/name differently.
		if ( isset( $args['query_var'] ) ) {
			if ( ! $args['query_var'] ) {
				$acf_args['query_var'] = 'none';
			} elseif ( ! empty( $args['query_var_slug'] ) ) {
				$acf_args['query_var'] = 'custom_query_var';
			} else {
				$acf_args['query_var'] = 'post_type_key';
			}

			unset( $args['query_var'] );
		}

		if ( isset( $args['query_var_slug'] ) ) {
			$acf_args['query_var_name'] = (string) $args['query_var_slug'];
			unset( $args['query_var_slug'] );
		}

		$acf_args = wp_parse_args( $args, $acf_args );

		// ACF doesn't yet handle custom supports, so we're tacking onto the regular supports.
		if ( isset( $args['custom_supports'] ) ) {
			$custom_supports = explode( ',', (string) $args['custom_supports'] );
			$custom_supports = array_filter( array_map( 'trim', $custom_supports ) );

			if ( ! empty( $custom_supports ) ) {
				$acf_args['supports'] = array_merge( $acf_args['supports'], $custom_supports );
			}

			unset( $acf_args['custom_supports'] );
		}

		$acf_args['key']                    = uniqid( 'post_type_' );
		$acf_args['advanced_configuration'] = true;
		$acf_args['import_source']          = 'cptui';
		$acf_args['import_date']            = time();

		$existing_post_types = acf_get_acf_post_types();

		foreach ( $existing_post_types as $existing_post_type ) {
			// Post type already exists, so we need to update rather than import.
			if ( $acf_args['post_type'] === $existing_post_type['post_type'] ) {
				$acf_args        = $this->prepare_post_for_import( $acf_args );
				$acf_args['ID']  = $existing_post_type['ID'];
				$acf_args['key'] = $existing_post_type['key'];
				return $this->update_post( $acf_args );
			}
		}

		// Import the post normally.
		return $this->import_post( $acf_args );
	}
}