Ticket #46187: 46187.diff

src/wp-includes/blocks.php

@@ -219 +219 @@
                 $post          = $global_post;
         }
 
+        // avoid the blocks with $block['blockName'] equal to null
+        if ( $block_name = $block['blockName'] ) {
+                /**
+                 * Filters the content of a single block.
+                 * 
+                 * The dynamic portion of the hook name, `$block['blockName']`, refers to
+             * the block name - namespace/block
+                 *
+                 * @param string $block_content The block content about to be appended.
+                 * @param array  $block         The full block, including name and attributes.
+                 */
+                $block_content = apply_filters( "render_block_{$block_name}", $block_content, $block );
+        }
+
         /**
          * Filters the content of a single block.
          *