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The class has been heavily modified from the original source, so the copyright can be modified to simply reference the original author’s work. The carry forward of the copyright and original code is implied. Follow up to [50993-50995,51007,51020,51029]. Props SergeyBiryukov, cbringmann, chanthaboune, desrosj. Fixes #41683. Built from https://develop.svn.wordpress.org/trunk@51210 git-svn-id: http://core.svn.wordpress.org/trunk@50819 1a063a9b-81f0-0310-95a4-ce76da25c4cd
452 lines
14 KiB
PHP
452 lines
14 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Sidebars_Controller class
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*
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* Original code from {@link https://github.com/martin-pettersson/wp-rest-api-sidebars Martin Pettersson (martin_pettersson@outlook.com)}.
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 5.8.0
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*/
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/**
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* Core class used to manage a site's sidebars.
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*
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* @since 5.8.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Sidebars_Controller extends WP_REST_Controller {
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/**
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* Sidebars controller constructor.
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*
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* @since 5.8.0
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*/
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public function __construct() {
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$this->namespace = 'wp/v2';
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$this->rest_base = 'sidebars';
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}
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/**
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* Registers the controllers routes.
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*
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* @since 5.8.0
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base,
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_items' ),
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'permission_callback' => array( $this, 'get_items_permissions_check' ),
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'args' => array(
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base . '/(?P<id>[\w-]+)',
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_item' ),
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'permission_callback' => array( $this, 'get_item_permissions_check' ),
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'args' => array(
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'id' => array(
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'description' => __( 'The id of a registered sidebar' ),
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'type' => 'string',
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),
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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),
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),
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array(
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'methods' => WP_REST_Server::EDITABLE,
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'callback' => array( $this, 'update_item' ),
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'permission_callback' => array( $this, 'update_item_permissions_check' ),
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'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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}
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/**
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* Checks if a given request has access to get sidebars.
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*
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* @since 5.8.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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*/
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public function get_items_permissions_check( $request ) {
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return $this->do_permissions_check();
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}
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/**
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* Retrieves the list of sidebars (active or inactive).
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*
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* @since 5.8.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function get_items( $request ) {
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$data = array();
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foreach ( (array) wp_get_sidebars_widgets() as $id => $widgets ) {
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$sidebar = $this->get_sidebar( $id );
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if ( ! $sidebar ) {
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continue;
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}
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$data[] = $this->prepare_response_for_collection(
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$this->prepare_item_for_response( $sidebar, $request )
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);
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}
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return rest_ensure_response( $data );
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}
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/**
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* Checks if a given request has access to get a single sidebar.
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*
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* @since 5.8.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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*/
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public function get_item_permissions_check( $request ) {
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return $this->do_permissions_check();
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}
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/**
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* Retrieves one sidebar from the collection.
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*
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* @since 5.8.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function get_item( $request ) {
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$sidebar = $this->get_sidebar( $request['id'] );
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if ( ! $sidebar ) {
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return new WP_Error( 'rest_sidebar_not_found', __( 'No sidebar exists with that id.' ), array( 'status' => 404 ) );
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}
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return $this->prepare_item_for_response( $sidebar, $request );
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}
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/**
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* Checks if a given request has access to update sidebars.
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*
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* @since 5.8.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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*/
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public function update_item_permissions_check( $request ) {
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return $this->do_permissions_check();
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}
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/**
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* Updates a sidebar.
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*
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* @since 5.8.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response Response object on success, or WP_Error object on failure.
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*/
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public function update_item( $request ) {
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if ( isset( $request['widgets'] ) ) {
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$sidebars = wp_get_sidebars_widgets();
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foreach ( $sidebars as $sidebar_id => $widgets ) {
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foreach ( $widgets as $i => $widget_id ) {
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// This automatically removes the passed widget ids from any other sidebars in use.
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if ( $sidebar_id !== $request['id'] && in_array( $widget_id, $request['widgets'], true ) ) {
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unset( $sidebars[ $sidebar_id ][ $i ] );
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}
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// This automatically removes omitted widget ids to the inactive sidebar.
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if ( $sidebar_id === $request['id'] && ! in_array( $widget_id, $request['widgets'], true ) ) {
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$sidebars['wp_inactive_widgets'][] = $widget_id;
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}
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}
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}
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$sidebars[ $request['id'] ] = $request['widgets'];
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wp_set_sidebars_widgets( $sidebars );
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}
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$request['context'] = 'edit';
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$sidebar = $this->get_sidebar( $request['id'] );
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/**
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* Fires after a sidebar is updated via the REST API.
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*
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* @since 5.8.0
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*
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* @param array $sidebar The updated sidebar.
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* @param WP_REST_Request $request Request object.
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*/
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do_action( 'rest_save_sidebar', $sidebar, $request );
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return $this->prepare_item_for_response( $sidebar, $request );
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}
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/**
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* Checks if the user has permissions to make the request.
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*
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* @since 5.8.0
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*
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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*/
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protected function do_permissions_check() {
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// Verify if the current user has edit_theme_options capability.
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// This capability is required to access the widgets screen.
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if ( ! current_user_can( 'edit_theme_options' ) ) {
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return new WP_Error(
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'rest_cannot_manage_widgets',
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__( 'Sorry, you are not allowed to manage widgets on this site.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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return true;
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}
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/**
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* Retrieves the registered sidebar with the given id.
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*
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* @since 5.8.0
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*
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* @global array $wp_registered_sidebars The registered sidebars.
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*
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* @param string|int $id ID of the sidebar.
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* @return array|null The discovered sidebar, or null if it is not registered.
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*/
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protected function get_sidebar( $id ) {
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global $wp_registered_sidebars;
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foreach ( (array) $wp_registered_sidebars as $sidebar ) {
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if ( $sidebar['id'] === $id ) {
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return $sidebar;
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}
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}
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if ( 'wp_inactive_widgets' === $id ) {
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return array(
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'id' => 'wp_inactive_widgets',
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'name' => __( 'Inactive widgets' ),
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);
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}
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return null;
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}
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/**
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* Prepares a single sidebar output for response.
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*
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* @since 5.8.0
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*
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* @global array $wp_registered_sidebars The registered sidebars.
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* @global array $wp_registered_widgets The registered widgets.
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*
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* @param array $raw_sidebar Sidebar instance.
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* @param WP_REST_Request $request Full details about the request.
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*
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* @return WP_REST_Response Prepared response object.
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*/
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public function prepare_item_for_response( $raw_sidebar, $request ) {
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global $wp_registered_sidebars, $wp_registered_widgets;
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$id = $raw_sidebar['id'];
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$sidebar = array( 'id' => $id );
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if ( isset( $wp_registered_sidebars[ $id ] ) ) {
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$registered_sidebar = $wp_registered_sidebars[ $id ];
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$sidebar['status'] = 'active';
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$sidebar['name'] = isset( $registered_sidebar['name'] ) ? $registered_sidebar['name'] : '';
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$sidebar['description'] = isset( $registered_sidebar['description'] ) ? $registered_sidebar['description'] : '';
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$sidebar['class'] = isset( $registered_sidebar['class'] ) ? $registered_sidebar['class'] : '';
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$sidebar['before_widget'] = isset( $registered_sidebar['before_widget'] ) ? $registered_sidebar['before_widget'] : '';
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$sidebar['after_widget'] = isset( $registered_sidebar['after_widget'] ) ? $registered_sidebar['after_widget'] : '';
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$sidebar['before_title'] = isset( $registered_sidebar['before_title'] ) ? $registered_sidebar['before_title'] : '';
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$sidebar['after_title'] = isset( $registered_sidebar['after_title'] ) ? $registered_sidebar['after_title'] : '';
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} else {
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$sidebar['status'] = 'inactive';
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$sidebar['name'] = $raw_sidebar['name'];
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$sidebar['description'] = '';
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$sidebar['class'] = '';
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}
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$fields = $this->get_fields_for_response( $request );
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if ( rest_is_field_included( 'widgets', $fields ) ) {
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$sidebars = wp_get_sidebars_widgets();
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$widgets = array_filter(
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isset( $sidebars[ $sidebar['id'] ] ) ? $sidebars[ $sidebar['id'] ] : array(),
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static function ( $widget_id ) use ( $wp_registered_widgets ) {
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return isset( $wp_registered_widgets[ $widget_id ] );
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}
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);
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$sidebar['widgets'] = $widgets;
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}
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$schema = $this->get_item_schema();
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$data = array();
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foreach ( $schema['properties'] as $property_id => $property ) {
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if ( isset( $sidebar[ $property_id ] ) && true === rest_validate_value_from_schema( $sidebar[ $property_id ], $property ) ) {
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$data[ $property_id ] = $sidebar[ $property_id ];
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} elseif ( isset( $property['default'] ) ) {
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$data[ $property_id ] = $property['default'];
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}
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}
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$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
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$data = $this->add_additional_fields_to_object( $data, $request );
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$data = $this->filter_response_by_context( $data, $context );
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$response = rest_ensure_response( $data );
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$response->add_links( $this->prepare_links( $sidebar ) );
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/**
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* Filters the REST API response for a sidebar.
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*
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* @since 5.8.0
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*
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* @param WP_REST_Response $response The response object.
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* @param array $raw_sidebar The raw sidebar data.
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* @param WP_REST_Request $request The request object.
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*/
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return apply_filters( 'rest_prepare_sidebar', $response, $raw_sidebar, $request );
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}
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/**
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* Prepares links for the sidebar.
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*
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* @since 5.8.0
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*
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* @param array $sidebar Sidebar.
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*
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* @return array Links for the given widget.
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*/
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protected function prepare_links( $sidebar ) {
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return array(
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'collection' => array(
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'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
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),
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'self' => array(
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'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $sidebar['id'] ) ),
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),
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'https://api.w.org/widget' => array(
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'href' => add_query_arg( 'sidebar', $sidebar['id'], rest_url( '/wp/v2/widgets' ) ),
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'embeddable' => true,
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),
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);
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}
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/**
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* Retrieves the block type' schema, conforming to JSON Schema.
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*
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* @return array Item schema data.
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*/
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public function get_item_schema() {
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if ( $this->schema ) {
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return $this->add_additional_fields_schema( $this->schema );
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}
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$schema = array(
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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => 'sidebar',
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'type' => 'object',
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'properties' => array(
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'id' => array(
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'description' => __( 'ID of sidebar.' ),
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'type' => 'string',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'name' => array(
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'description' => __( 'Unique name identifying the sidebar.' ),
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'type' => 'string',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'description' => array(
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'description' => __( 'Description of sidebar.' ),
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'type' => 'string',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'class' => array(
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'description' => __( 'Extra CSS class to assign to the sidebar in the Widgets interface.' ),
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'type' => 'string',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'before_widget' => array(
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'description' => __( 'HTML content to prepend to each widget\'s HTML output when assigned to this sidebar. Default is an opening list item element.' ),
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'type' => 'string',
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'default' => '',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'after_widget' => array(
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'description' => __( 'HTML content to append to each widget\'s HTML output when assigned to this sidebar. Default is a closing list item element.' ),
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'type' => 'string',
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'default' => '',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'before_title' => array(
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'description' => __( 'HTML content to prepend to the sidebar title when displayed. Default is an opening h2 element.' ),
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'type' => 'string',
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'default' => '',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'after_title' => array(
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'description' => __( 'HTML content to append to the sidebar title when displayed. Default is a closing h2 element.' ),
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'type' => 'string',
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'default' => '',
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'status' => array(
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'description' => __( 'Status of sidebar.' ),
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'type' => 'string',
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'enum' => array( 'active', 'inactive' ),
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'context' => array( 'embed', 'view', 'edit' ),
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'readonly' => true,
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),
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'widgets' => array(
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'description' => __( 'Nested widgets.' ),
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'type' => 'array',
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'items' => array(
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'type' => array( 'object', 'string' ),
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),
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'default' => array(),
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'context' => array( 'embed', 'view', 'edit' ),
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),
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),
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);
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$this->schema = $schema;
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return $this->add_additional_fields_schema( $this->schema );
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}
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}
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