WP_REST_Revisions_Controller::delete_item_permissions_check() WordPress Method

	public function delete_item_permissions_check( $request ) {
		$parent = $this->get_parent( $request['parent'] );
		if ( is_wp_error( $parent ) ) {
			return $parent;
		}

		$parent_post_type = get_post_type_object( $parent->post_type );

		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;
		}

		$response = $this->get_items_permissions_check( $request );
		if ( ! $response || is_wp_error( $response ) ) {
			return $response;
		}

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

		return true;
	}