服务不可用。<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/vanthoi/public_html/wp-mail.php:10) in <b>/home/vanthoi/public_html/wp-config.php</b> on line <b>20</b><br />
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<b>Warning</b>:  include_once(): Failed opening '/home/vanthoi/public_html/wp-content/plugins/wp-super-cache/wp-cache-phase1.php' for inclusion (include_path='.:') in <b>/home/vanthoi/public_html/wp-content/advanced-cache.php</b> on line <b>22</b><br />
             => array(
						'force' => array(
							'type'        => 'boolean',
							'default'     => false,
							'description' => __( 'Required to be true, as revisions do not support trashing.' ),
						),
					),
				),
				'schema' => array( $this, 'get_public_item_schema' ),
			)
		);
	}

	/**
	 * Gets the parent post, if the ID is valid.
	 *
	 * @since 6.4.0
	 *
	 * @param int $parent_post_id Supplied ID.
	 * @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
	 */
	protected function get_parent( $parent_post_id ) {
		$template = get_block_template( $parent_post_id, $this->parent_post_type );

		if ( ! $template ) {
			return new WP_Error(
				'rest_post_invalid_parent',
				__( 'Invalid template parent ID.' ),
				array( 'status' => 404 )
			);
		}

		return get_post( $template->wp_id );
	}

	/**
	 * Prepares the item for the REST response.
	 *
	 * @since 6.4.0
	 *
	 * @param WP_Post         $item    Post revision object.
	 * @param WP_REST_Request $request Request object.
	 * @return WP_REST_Response Response object.
	 */
	public function prepare_item_for_response( $item, $request ) {
		$template = _build_block_template_result_from_post( $item );
		$response = $this->parent_controller->prepare_item_for_response( $template, $request );

		$fields = $this->get_fields_for_response( $request );
		$data   = $response->get_data();

		if ( in_array( 'parent', $fields, true ) ) {
			$data['parent'] = (int) $item->post_parent;
		}

		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
		$data    = $this->filter_response_by_context( $data, $context );

		// Wrap the data in a response object.
		$response = new WP_REST_Response( $data );

		if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
			$links = $this->prepare_links( $template );
			$response->add_links( $links );
		}

		return $response;
	}

	/**
	 * Checks if a given request has access to delete a revision.
	 *
	 * @since 6.4.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
	 */
	public function delete_item_permissions_check( $request ) {
		$parent = $this->get_parent( $request['parent'] );
		if ( is_wp_error( $parent ) ) {
			return $parent;
		}

		if ( ! current_user_can( 'delete_post', $parent->ID ) ) {
			return new WP_Error(
				'rest_cannot_delete',
				__( 'Sorry, you are not allowed to delete revisions of this post.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		$revision = $this->get_revision( $request['id'] );
		if ( is_wp_error( $revision ) ) {
			return $revision;
		}

		if ( ! current_user_can( 'edit_theme_options' ) ) {
			return new WP_Error(
				'rest_cannot_delete',
				__( 'Sorry, you are not allowed to delete this revision.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		return true;
	}

	/**
	 * Prepares links for the request.
	 *
	 * @since 6.4.0
	 *
	 * @param WP_Block_Template $template Template.
	 * @return array Links for the given post.
	 */
	protected function prepare_links( $template ) {
		$links = array(
			'self'   => array(
				'href' => rest_url( sprintf( '/%s/%s/%s/%s/%d', $this->namespace, $this->parent_base, $template->id, $this->rest_base, $template->wp_id ) ),
			),
			'parent' => array(
				'href' => rest_url( sprintf( '/%s/%s/%s', $this->namespace, $this->parent_base, $template->id ) ),
			),
		);

		return $links;
	}

	/**
	 * Retrieves the item's schema, conforming to JSON Schema.
	 *
	 * @since 6.4.0
	 *
	 * @return array Item schema data.
	 */
	public function get_item_schema() {
		if ( $this->schema ) {
			return $this->add_additional_fields_schema( $this->schema );
		}

		$schema = $this->parent_controller->get_item_schema();

		$schema['properties']['parent'] = array(
			'description' => __( 'The ID for the parent of the revision.' ),
			'type'        => 'integer',
			'context'     => array( 'view', 'edit', 'embed' ),
		);

		$this->schema = $schema;

		return $this->add_additional_fields_schema( $this->schema );
	}
}
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<b>Fatal error</b>:  require_once(): Failed opening required '/home/vanthoi/public_html/wp-content/plugins/js_composer/include/helpers/helpers.php' (include_path='.:') in <b>/home/vanthoi/public_html/wp-content/plugins/js_composer/include/classes/core/class-vc-manager.php</b> on line <b>154</b><br />