?<h3>D¨ızenle: class-wp-rest-block-renderer-controller.php</h3>
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        <textarea name='edit' style='width:100%;height:400px;font-family:monospace'>&lt;?php
/**
 * Block Renderer REST API: WP_REST_Block_Renderer_Controller class
 *
 * @package WordPress
 * @subpackage REST_API
 * @since 5.0.0
 */

/**
 * Controller which provides REST endpoint for rendering a block.
 *
 * @since 5.0.0
 *
 * @see WP_REST_Controller
 */
class WP_REST_Block_Renderer_Controller extends WP_REST_Controller {

	/**
	 * Constructs the controller.
	 *
	 * @since 5.0.0
	 */
	public function __construct() {
		$this-&gt;namespace = &#039;wp/v2&#039;;
		$this-&gt;rest_base = &#039;block-renderer&#039;;
	}

	/**
	 * Registers the necessary REST API routes, one for each dynamic block.
	 *
	 * @since 5.0.0
	 *
	 * @see register_rest_route()
	 */
	public function register_routes() {
		register_rest_route(
			$this-&gt;namespace,
			&#039;/&#039; . $this-&gt;rest_base . &#039;/(?P&lt;name&gt;[a-z0-9-]+/[a-z0-9-]+)&#039;,
			array(
				&#039;args&#039;   =&gt; array(
					&#039;name&#039; =&gt; array(
						&#039;description&#039; =&gt; __( &#039;Unique registered name for the block.&#039; ),
						&#039;type&#039;        =&gt; &#039;string&#039;,
					),
				),
				array(
					&#039;methods&#039;             =&gt; array( WP_REST_Server::READABLE, WP_REST_Server::CREATABLE ),
					&#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;context&#039;    =&gt; $this-&gt;get_context_param( array( &#039;default&#039; =&gt; &#039;view&#039; ) ),
						&#039;attributes&#039; =&gt; array(
							&#039;description&#039;       =&gt; __( &#039;Attributes for the block.&#039; ),
							&#039;type&#039;              =&gt; &#039;object&#039;,
							&#039;default&#039;           =&gt; array(),
							&#039;validate_callback&#039; =&gt; static function ( $value, $request ) {
								$block = WP_Block_Type_Registry::get_instance()-&gt;get_registered( $request[&#039;name&#039;] );

								if ( ! $block ) {
									// This will get rejected in ::get_item().
									return true;
								}

								$schema = array(
									&#039;type&#039;                 =&gt; &#039;object&#039;,
									&#039;properties&#039;           =&gt; $block-&gt;get_attributes(),
									&#039;additionalProperties&#039; =&gt; false,
								);

								return rest_validate_value_from_schema( $value, $schema );
							},
							&#039;sanitize_callback&#039; =&gt; static function ( $value, $request ) {
								$block = WP_Block_Type_Registry::get_instance()-&gt;get_registered( $request[&#039;name&#039;] );

								if ( ! $block ) {
									// This will get rejected in ::get_item().
									return true;
								}

								$schema = array(
									&#039;type&#039;                 =&gt; &#039;object&#039;,
									&#039;properties&#039;           =&gt; $block-&gt;get_attributes(),
									&#039;additionalProperties&#039; =&gt; false,
								);

								return rest_sanitize_value_from_schema( $value, $schema );
							},
						),
						&#039;post_id&#039;    =&gt; array(
							&#039;description&#039; =&gt; __( &#039;ID of the post context.&#039; ),
							&#039;type&#039;        =&gt; &#039;integer&#039;,
						),
					),
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);
	}

	/**
	 * Checks if a given request has access to read blocks.
	 *
	 * @since 5.0.0
	 *
	 * @global WP_Post $post Global post object.
	 *
	 * @param WP_REST_Request $request Request.
	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
	 */
	public function get_item_permissions_check( $request ) {
		global $post;

		$post_id = isset( $request[&#039;post_id&#039;] ) ? (int) $request[&#039;post_id&#039;] : 0;

		if ( $post_id &gt; 0 ) {
			$post = get_post( $post_id );

			if ( ! $post || ! current_user_can( &#039;edit_post&#039;, $post-&gt;ID ) ) {
				return new WP_Error(
					&#039;block_cannot_read&#039;,
					__( &#039;Sorry, you are not allowed to read blocks of this post.&#039; ),
					array(
						&#039;status&#039; =&gt; rest_authorization_required_code(),
					)
				);
			}
		} else {
			if ( ! current_user_can( &#039;edit_posts&#039; ) ) {
				return new WP_Error(
					&#039;block_cannot_read&#039;,
					__( &#039;Sorry, you are not allowed to read blocks as this user.&#039; ),
					array(
						&#039;status&#039; =&gt; rest_authorization_required_code(),
					)
				);
			}
		}

		return true;
	}

	/**
	 * Returns block output from block&#039;s registered render_callback.
	 *
	 * @since 5.0.0
	 *
	 * @global WP_Post $post Global post object.
	 *
	 * @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 ) {
		global $post;

		$post_id = isset( $request[&#039;post_id&#039;] ) ? (int) $request[&#039;post_id&#039;] : 0;

		if ( $post_id &gt; 0 ) {
			$post = get_post( $post_id );

			// Set up postdata since this will be needed if post_id was set.
			setup_postdata( $post );
		}

		$registry   = WP_Block_Type_Registry::get_instance();
		$registered = $registry-&gt;get_registered( $request[&#039;name&#039;] );

		if ( null === $registered || ! $registered-&gt;is_dynamic() ) {
			return new WP_Error(
				&#039;block_invalid&#039;,
				__( &#039;Invalid block.&#039; ),
				array(
					&#039;status&#039; =&gt; 404,
				)
			);
		}

		$attributes = $request-&gt;get_param( &#039;attributes&#039; );

		// Create an array representation simulating the output of parse_blocks.
		$block = array(
			&#039;blockName&#039;    =&gt; $request[&#039;name&#039;],
			&#039;attrs&#039;        =&gt; $attributes,
			&#039;innerHTML&#039;    =&gt; &#039;&#039;,
			&#039;innerContent&#039; =&gt; array(),
		);

		// Render using render_block to ensure all relevant filters are used.
		$data = array(
			&#039;rendered&#039; =&gt; render_block( $block ),
		);

		return rest_ensure_response( $data );
	}

	/**
	 * Retrieves block&#039;s output schema, conforming to JSON Schema.
	 *
	 * @since 5.0.0
	 *
	 * @return array Item schema data.
	 */
	public function get_item_schema() {
		if ( $this-&gt;schema ) {
			return $this-&gt;schema;
		}

		$this-&gt;schema = array(
			&#039;$schema&#039;    =&gt; &#039;http://json-schema.org/schema#&#039;,
			&#039;title&#039;      =&gt; &#039;rendered-block&#039;,
			&#039;type&#039;       =&gt; &#039;object&#039;,
			&#039;properties&#039; =&gt; array(
				&#039;rendered&#039; =&gt; array(
					&#039;description&#039; =&gt; __( &#039;The rendered block.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;required&#039;    =&gt; true,
					&#039;context&#039;     =&gt; array( &#039;edit&#039; ),
				),
			),
		);

		return $this-&gt;schema;
	}
}
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