Ticket #50146: 50146.diff

src/wp-includes/blocks.php

@@ -220 +220 @@
  *
  * @since 5.3.1
  *
- * @param WP_Block_Parser_Block $block A single parsed block object.
+ * @param WP_Block_Parser_Block|array $block A single parsed block object.
  * @return string String of rendered HTML.
  */
 function serialize_block( $block ) {
+        if ( $block instanceof WP_Block_Parser_Block ) {
+                $block = (array) $block;
+        }
+
         $block_content = '';
 
         $index = 0;
@@ -248 +252 @@
  *
  * @since 5.3.1
  *
- * @param WP_Block_Parser_Block[] $blocks Parsed block objects.
+ * @param WP_Block_Parser_Block[]|array[] $blocks Parsed block objects.
  * @return string String of rendered HTML.
  */
 function serialize_blocks( $blocks ) {
@@ -286 +290 @@
  *
  * @since 5.3.1
  *
- * @param WP_Block_Parser_Block $block             The parsed block object.
+ * @param WP_Block_Parser_Block|array $block       The parsed block object.
  * @param array[]|string        $allowed_html      An array of allowed HTML
  *                                                 elements and attributes, or a
  *                                                 context name such as 'post'.
@@ -294 +298 @@
  * @return array The filtered and sanitized block object result.
  */
 function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
+        if ( $block instanceof WP_Block_Parser_Block ) {
+                $block = (array) $block;
+        }
+
         $block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols );
 
         if ( is_array( $block['innerBlocks'] ) ) {