?<h3>D¨ızenle: class-wp-rest-sidebars-controller.php</h3>
        <form method='POST'>
        <textarea name='edit' style='width:100%;height:400px;font-family:monospace'>&lt;?php
/**
 * REST API: WP_REST_Sidebars_Controller class
 *
 * Original code from {@link https://github.com/martin-pettersson/wp-rest-api-sidebars Martin Pettersson (martin_pettersson@outlook.com)}.
 *
 * @package WordPress
 * @subpackage REST_API
 * @since 5.8.0
 */

/**
 * Core class used to manage a site&#039;s sidebars.
 *
 * @since 5.8.0
 *
 * @see WP_REST_Controller
 */
class WP_REST_Sidebars_Controller extends WP_REST_Controller {

	/**
	 * Tracks whether {@see retrieve_widgets()} has been called in the current request.
	 *
	 * @since 5.9.0
	 * @var bool
	 */
	protected $widgets_retrieved = false;

	/**
	 * Sidebars controller constructor.
	 *
	 * @since 5.8.0
	 */
	public function __construct() {
		$this-&gt;namespace = &#039;wp/v2&#039;;
		$this-&gt;rest_base = &#039;sidebars&#039;;
	}

	/**
	 * Registers the controllers routes.
	 *
	 * @since 5.8.0
	 */
	public function register_routes() {
		register_rest_route(
			$this-&gt;namespace,
			&#039;/&#039; . $this-&gt;rest_base,
			array(
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::READABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;get_items&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;get_items_permissions_check&#039; ),
					&#039;args&#039;                =&gt; array(
						&#039;context&#039; =&gt; $this-&gt;get_context_param( array( &#039;default&#039; =&gt; &#039;view&#039; ) ),
					),
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			&#039;/&#039; . $this-&gt;rest_base . &#039;/(?P&lt;id&gt;[\w-]+)&#039;,
			array(
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::READABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;get_item&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;get_item_permissions_check&#039; ),
					&#039;args&#039;                =&gt; array(
						&#039;id&#039;      =&gt; array(
							&#039;description&#039; =&gt; __( &#039;The id of a registered sidebar&#039; ),
							&#039;type&#039;        =&gt; &#039;string&#039;,
						),
						&#039;context&#039; =&gt; $this-&gt;get_context_param( array( &#039;default&#039; =&gt; &#039;view&#039; ) ),
					),
				),
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::EDITABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;update_item&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;update_item_permissions_check&#039; ),
					&#039;args&#039;                =&gt; $this-&gt;get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);
	}

	/**
	 * Checks if a given request has access to get sidebars.
	 *
	 * @since 5.8.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
	 */
	public function get_items_permissions_check( $request ) {
		$this-&gt;retrieve_widgets();
		foreach ( wp_get_sidebars_widgets() as $id =&gt; $widgets ) {
			$sidebar = $this-&gt;get_sidebar( $id );

			if ( ! $sidebar ) {
				continue;
			}

			if ( $this-&gt;check_read_permission( $sidebar ) ) {
				return true;
			}
		}

		return $this-&gt;do_permissions_check();
	}

	/**
	 * Retrieves the list of sidebars (active or inactive).
	 *
	 * @since 5.8.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response Response object on success.
	 */
	public function get_items( $request ) {
		if ( $request-&gt;is_method( &#039;HEAD&#039; ) ) {
			// Return early as this handler doesn&#039;t add any response headers.
			return new WP_REST_Response( array() );
		}

		$this-&gt;retrieve_widgets();

		$data              = array();
		$permissions_check = $this-&gt;do_permissions_check();

		foreach ( wp_get_sidebars_widgets() as $id =&gt; $widgets ) {
			$sidebar = $this-&gt;get_sidebar( $id );

			if ( ! $sidebar ) {
				continue;
			}

			if ( is_wp_error( $permissions_check ) &amp;&amp; ! $this-&gt;check_read_permission( $sidebar ) ) {
				continue;
			}

			$data[] = $this-&gt;prepare_response_for_collection(
				$this-&gt;prepare_item_for_response( $sidebar, $request )
			);
		}

		return rest_ensure_response( $data );
	}

	/**
	 * Checks if a given request has access to get a single sidebar.
	 *
	 * @since 5.8.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
	 */
	public function get_item_permissions_check( $request ) {
		$this-&gt;retrieve_widgets();

		$sidebar = $this-&gt;get_sidebar( $request[&#039;id&#039;] );
		if ( $sidebar &amp;&amp; $this-&gt;check_read_permission( $sidebar ) ) {
			return true;
		}

		return $this-&gt;do_permissions_check();
	}

	/**
	 * Checks if a sidebar can be read publicly.
	 *
	 * @since 5.9.0
	 *
	 * @param array $sidebar The registered sidebar configuration.
	 * @return bool Whether the side can be read.
	 */
	protected function check_read_permission( $sidebar ) {
		return ! empty( $sidebar[&#039;show_in_rest&#039;] );
	}

	/**
	 * Retrieves one sidebar from the collection.
	 *
	 * @since 5.8.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function get_item( $request ) {
		$this-&gt;retrieve_widgets();

		$sidebar = $this-&gt;get_sidebar( $request[&#039;id&#039;] );
		if ( ! $sidebar ) {
			return new WP_Error( &#039;rest_sidebar_not_found&#039;, __( &#039;No sidebar exists with that id.&#039; ), array( &#039;status&#039; =&gt; 404 ) );
		}

		return $this-&gt;prepare_item_for_response( $sidebar, $request );
	}

	/**
	 * Checks if a given request has access to update sidebars.
	 *
	 * @since 5.8.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
	 */
	public function update_item_permissions_check( $request ) {
		return $this-&gt;do_permissions_check();
	}

	/**
	 * Updates a sidebar.
	 *
	 * @since 5.8.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response Response object on success, or WP_Error object on failure.
	 */
	public function update_item( $request ) {
		if ( isset( $request[&#039;widgets&#039;] ) ) {
			$sidebars = wp_get_sidebars_widgets();

			foreach ( $sidebars as $sidebar_id =&gt; $widgets ) {
				foreach ( $widgets as $i =&gt; $widget_id ) {
					// This automatically removes the passed widget IDs from any other sidebars in use.
					if ( $sidebar_id !== $request[&#039;id&#039;] &amp;&amp; in_array( $widget_id, $request[&#039;widgets&#039;], true ) ) {
						unset( $sidebars[ $sidebar_id ][ $i ] );
					}

					// This automatically removes omitted widget IDs to the inactive sidebar.
					if ( $sidebar_id === $request[&#039;id&#039;] &amp;&amp; ! in_array( $widget_id, $request[&#039;widgets&#039;], true ) ) {
						$sidebars[&#039;wp_inactive_widgets&#039;][] = $widget_id;
					}
				}
			}

			$sidebars[ $request[&#039;id&#039;] ] = $request[&#039;widgets&#039;];

			wp_set_sidebars_widgets( $sidebars );
		}

		$request[&#039;context&#039;] = &#039;edit&#039;;

		$sidebar = $this-&gt;get_sidebar( $request[&#039;id&#039;] );

		/**
		 * Fires after a sidebar is updated via the REST API.
		 *
		 * @since 5.8.0
		 *
		 * @param array           $sidebar The updated sidebar.
		 * @param WP_REST_Request $request Request object.
		 */
		do_action( &#039;rest_save_sidebar&#039;, $sidebar, $request );

		return $this-&gt;prepare_item_for_response( $sidebar, $request );
	}

	/**
	 * Checks if the user has permissions to make the request.
	 *
	 * @since 5.8.0
	 *
	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
	 */
	protected function do_permissions_check() {
		/*
		 * Verify if the current user has edit_theme_options capability.
		 * This capability is required to access the widgets screen.
		 */
		if ( ! current_user_can( &#039;edit_theme_options&#039; ) ) {
			return new WP_Error(
				&#039;rest_cannot_manage_widgets&#039;,
				__( &#039;Sorry, you are not allowed to manage widgets on this site.&#039; ),
				array( &#039;status&#039; =&gt; rest_authorization_required_code() )
			);
		}

		return true;
	}

	/**
	 * Retrieves the registered sidebar with the given id.
	 *
	 * @since 5.8.0
	 *
	 * @param string|int $id ID of the sidebar.
	 * @return array|null The discovered sidebar, or null if it is not registered.
	 */
	protected function get_sidebar( $id ) {
		return wp_get_sidebar( $id );
	}

	/**
	 * Looks for &quot;lost&quot; widgets once per request.
	 *
	 * @since 5.9.0
	 *
	 * @see retrieve_widgets()
	 */
	protected function retrieve_widgets() {
		if ( ! $this-&gt;widgets_retrieved ) {
			retrieve_widgets();
			$this-&gt;widgets_retrieved = true;
		}
	}

	/**
	 * Prepares a single sidebar output for response.
	 *
	 * @since 5.8.0
	 * @since 5.9.0 Renamed `$raw_sidebar` to `$item` to match parent class for PHP 8 named parameter support.
	 *
	 * @global array $wp_registered_sidebars The registered sidebars.
	 * @global array $wp_registered_widgets  The registered widgets.
	 *
	 * @param array           $item    Sidebar instance.
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response Prepared response object.
	 */
	public function prepare_item_for_response( $item, $request ) {
		global $wp_registered_sidebars, $wp_registered_widgets;

		// Restores the more descriptive, specific name for use within this method.
		$raw_sidebar = $item;

		// Don&#039;t prepare the response body for HEAD requests.
		if ( $request-&gt;is_method( &#039;HEAD&#039; ) ) {
			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php */
			return apply_filters( &#039;rest_prepare_sidebar&#039;, new WP_REST_Response( array() ), $raw_sidebar, $request );
		}

		$id      = $raw_sidebar[&#039;id&#039;];
		$sidebar = array( &#039;id&#039; =&gt; $id );

		if ( isset( $wp_registered_sidebars[ $id ] ) ) {
			$registered_sidebar = $wp_registered_sidebars[ $id ];

			$sidebar[&#039;status&#039;]        = &#039;active&#039;;
			$sidebar[&#039;name&#039;]          = isset( $registered_sidebar[&#039;name&#039;] ) ? $registered_sidebar[&#039;name&#039;] : &#039;&#039;;
			$sidebar[&#039;description&#039;]   = isset( $registered_sidebar[&#039;description&#039;] ) ? wp_sidebar_description( $id ) : &#039;&#039;;
			$sidebar[&#039;class&#039;]         = isset( $registered_sidebar[&#039;class&#039;] ) ? $registered_sidebar[&#039;class&#039;] : &#039;&#039;;
			$sidebar[&#039;before_widget&#039;] = isset( $registered_sidebar[&#039;before_widget&#039;] ) ? $registered_sidebar[&#039;before_widget&#039;] : &#039;&#039;;
			$sidebar[&#039;after_widget&#039;]  = isset( $registered_sidebar[&#039;after_widget&#039;] ) ? $registered_sidebar[&#039;after_widget&#039;] : &#039;&#039;;
			$sidebar[&#039;before_title&#039;]  = isset( $registered_sidebar[&#039;before_title&#039;] ) ? $registered_sidebar[&#039;before_title&#039;] : &#039;&#039;;
			$sidebar[&#039;after_title&#039;]   = isset( $registered_sidebar[&#039;after_title&#039;] ) ? $registered_sidebar[&#039;after_title&#039;] : &#039;&#039;;
		} else {
			$sidebar[&#039;status&#039;]      = &#039;inactive&#039;;
			$sidebar[&#039;name&#039;]        = $raw_sidebar[&#039;name&#039;];
			$sidebar[&#039;description&#039;] = &#039;&#039;;
			$sidebar[&#039;class&#039;]       = &#039;&#039;;
		}

		if ( wp_is_block_theme() ) {
			$sidebar[&#039;status&#039;] = &#039;inactive&#039;;
		}

		$fields = $this-&gt;get_fields_for_response( $request );
		if ( rest_is_field_included( &#039;widgets&#039;, $fields ) ) {
			$sidebars = wp_get_sidebars_widgets();
			$widgets  = array_filter(
				isset( $sidebars[ $sidebar[&#039;id&#039;] ] ) ? $sidebars[ $sidebar[&#039;id&#039;] ] : array(),
				static function ( $widget_id ) use ( $wp_registered_widgets ) {
					return isset( $wp_registered_widgets[ $widget_id ] );
				}
			);

			$sidebar[&#039;widgets&#039;] = array_values( $widgets );
		}

		$schema = $this-&gt;get_item_schema();
		$data   = array();
		foreach ( $schema[&#039;properties&#039;] as $property_id =&gt; $property ) {
			if ( isset( $sidebar[ $property_id ] ) &amp;&amp; true === rest_validate_value_from_schema( $sidebar[ $property_id ], $property ) ) {
				$data[ $property_id ] = $sidebar[ $property_id ];
			} elseif ( isset( $property[&#039;default&#039;] ) ) {
				$data[ $property_id ] = $property[&#039;default&#039;];
			}
		}

		$context = ! empty( $request[&#039;context&#039;] ) ? $request[&#039;context&#039;] : &#039;view&#039;;
		$data    = $this-&gt;add_additional_fields_to_object( $data, $request );
		$data    = $this-&gt;filter_response_by_context( $data, $context );

		$response = rest_ensure_response( $data );

		if ( rest_is_field_included( &#039;_links&#039;, $fields ) || rest_is_field_included( &#039;_embedded&#039;, $fields ) ) {
			$response-&gt;add_links( $this-&gt;prepare_links( $sidebar ) );
		}

		/**
		 * Filters the REST API response for a sidebar.
		 *
		 * @since 5.8.0
		 *
		 * @param WP_REST_Response $response    The response object.
		 * @param array            $raw_sidebar The raw sidebar data.
		 * @param WP_REST_Request  $request     The request object.
		 */
		return apply_filters( &#039;rest_prepare_sidebar&#039;, $response, $raw_sidebar, $request );
	}

	/**
	 * Prepares links for the sidebar.
	 *
	 * @since 5.8.0
	 *
	 * @param array $sidebar Sidebar.
	 * @return array Links for the given widget.
	 */
	protected function prepare_links( $sidebar ) {
		return array(
			&#039;collection&#039;               =&gt; array(
				&#039;href&#039; =&gt; rest_url( sprintf( &#039;%s/%s&#039;, $this-&gt;namespace, $this-&gt;rest_base ) ),
			),
			&#039;self&#039;                     =&gt; array(
				&#039;href&#039; =&gt; rest_url( sprintf( &#039;%s/%s/%s&#039;, $this-&gt;namespace, $this-&gt;rest_base, $sidebar[&#039;id&#039;] ) ),
			),
			&#039;https://api.w.org/widget&#039; =&gt; array(
				&#039;href&#039;       =&gt; add_query_arg( &#039;sidebar&#039;, $sidebar[&#039;id&#039;], rest_url( &#039;/wp/v2/widgets&#039; ) ),
				&#039;embeddable&#039; =&gt; true,
			),
		);
	}

	/**
	 * Retrieves the block type&#039; schema, conforming to JSON Schema.
	 *
	 * @since 5.8.0
	 *
	 * @return array Item schema data.
	 */
	public function get_item_schema() {
		if ( $this-&gt;schema ) {
			return $this-&gt;add_additional_fields_schema( $this-&gt;schema );
		}

		$schema = array(
			&#039;$schema&#039;    =&gt; &#039;http://json-schema.org/draft-04/schema#&#039;,
			&#039;title&#039;      =&gt; &#039;sidebar&#039;,
			&#039;type&#039;       =&gt; &#039;object&#039;,
			&#039;properties&#039; =&gt; array(
				&#039;id&#039;            =&gt; array(
					&#039;description&#039; =&gt; __( &#039;ID of sidebar.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;name&#039;          =&gt; array(
					&#039;description&#039; =&gt; __( &#039;Unique name identifying the sidebar.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;description&#039;   =&gt; array(
					&#039;description&#039; =&gt; __( &#039;Description of sidebar.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;class&#039;         =&gt; array(
					&#039;description&#039; =&gt; __( &#039;Extra CSS class to assign to the sidebar in the Widgets interface.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;before_widget&#039; =&gt; array(
					&#039;description&#039; =&gt; __( &#039;HTML content to prepend to each widget\&#039;s HTML output when assigned to this sidebar. Default is an opening list item element.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;default&#039;     =&gt; &#039;&#039;,
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;after_widget&#039;  =&gt; array(
					&#039;description&#039; =&gt; __( &#039;HTML content to append to each widget\&#039;s HTML output when assigned to this sidebar. Default is a closing list item element.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;default&#039;     =&gt; &#039;&#039;,
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;before_title&#039;  =&gt; array(
					&#039;description&#039; =&gt; __( &#039;HTML content to prepend to the sidebar title when displayed. Default is an opening h2 element.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;default&#039;     =&gt; &#039;&#039;,
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;after_title&#039;   =&gt; array(
					&#039;description&#039; =&gt; __( &#039;HTML content to append to the sidebar title when displayed. Default is a closing h2 element.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;default&#039;     =&gt; &#039;&#039;,
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;status&#039;        =&gt; array(
					&#039;description&#039; =&gt; __( &#039;Status of sidebar.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;enum&#039;        =&gt; array( &#039;active&#039;, &#039;inactive&#039; ),
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;widgets&#039;       =&gt; array(
					&#039;description&#039; =&gt; __( &#039;Nested widgets.&#039; ),
					&#039;type&#039;        =&gt; &#039;array&#039;,
					&#039;items&#039;       =&gt; array(
						&#039;type&#039; =&gt; array( &#039;object&#039;, &#039;string&#039; ),
					),
					&#039;default&#039;     =&gt; array(),
					&#039;context&#039;     =&gt; array( &#039;embed&#039;, &#039;view&#039;, &#039;edit&#039; ),
				),
			),
		);

		$this-&gt;schema = $schema;

		return $this-&gt;add_additional_fields_schema( $this-&gt;schema );
	}
}
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