diff -r 34716fd837a4 -r be944660c56a wp/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php
--- a/wp/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php	Wed Sep 21 18:19:35 2022 +0200
@@ -51,7 +51,7 @@
 					'args'                => array(
 						'context'    => $this->get_context_param( array( 'default' => 'view' ) ),
 						'attributes' => array(
-							'description'       => __( 'Attributes for the block' ),
+							'description'       => __( 'Attributes for the block.' ),
 							'type'              => 'object',
 							'default'           => array(),
 							'validate_callback' => static function ( $value, $request ) {
@@ -109,7 +109,7 @@
 	public function get_item_permissions_check( $request ) {
 		global $post;
 
-		$post_id = isset( $request['post_id'] ) ? intval( $request['post_id'] ) : 0;
+		$post_id = isset( $request['post_id'] ) ? (int) $request['post_id'] : 0;
 
 		if ( 0 < $post_id ) {
 			$post = get_post( $post_id );
@@ -149,7 +149,7 @@
 	public function get_item( $request ) {
 		global $post;
 
-		$post_id = isset( $request['post_id'] ) ? intval( $request['post_id'] ) : 0;
+		$post_id = isset( $request['post_id'] ) ? (int) $request['post_id'] : 0;
 
 		if ( 0 < $post_id ) {
 			$post = get_post( $post_id );