From cbec87807867cbf93ee80ded97a90a1c537297c6 Mon Sep 17 00:00:00 2001
From: Luis Herranz <luisherranz@gmail.com>
Date: Wed, 12 Jul 2023 12:58:58 +0200
Subject: [PATCH] Fix md5 class messed up with new block key (#52557)

---
 .../class-wp-directive-processor.php          | 31 +++++++++++++++++++
 .../directive-processing.php                  |  6 ++--
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/lib/experimental/interactivity-api/class-wp-directive-processor.php b/lib/experimental/interactivity-api/class-wp-directive-processor.php
index 608466a9c6edae..69c72a222fdc71 100644
--- a/lib/experimental/interactivity-api/class-wp-directive-processor.php
+++ b/lib/experimental/interactivity-api/class-wp-directive-processor.php
@@ -17,6 +17,37 @@
  * to improve this code.
  */
 class WP_Directive_Processor extends WP_HTML_Tag_Processor {
+
+	/**
+	 * An array of root blocks.
+	 *
+	 * @var array
+	 */
+	static $root_blocks = array();
+
+	/**
+	 * Add a root block to the list.
+	 *
+	 * @param array $block The block to add.
+	 *
+	 * @return void
+	 */
+	public static function add_root_block( $block ) {
+			self::$root_blocks[] = md5( serialize( $block ) );
+	}
+
+	/**
+	 * Check if block is a root block.
+	 *
+	 * @param array $block The block to check.
+	 *
+	 * @return bool True if block is a root block, false otherwise.
+	 */
+	public static function is_root_block( $block ) {
+			return in_array( md5( serialize( $block ) ), self::$root_blocks, true );
+	}
+
+
 	/**
 	 * Find the matching closing tag for an opening tag.
 	 *
diff --git a/lib/experimental/interactivity-api/directive-processing.php b/lib/experimental/interactivity-api/directive-processing.php
index 0f2af5da0f8044..ce20eac43b3cbd 100644
--- a/lib/experimental/interactivity-api/directive-processing.php
+++ b/lib/experimental/interactivity-api/directive-processing.php
@@ -17,7 +17,7 @@
  */
 function gutenberg_interactivity_process_directives_in_root_blocks( $block_content, $block ) {
 	// Don't process inner blocks or root blocks that don't contain directives.
-	if ( isset( $block['is_inner_block'] ) || strpos( $block_content, 'data-wp-' ) === false ) {
+	if ( ! WP_Directive_Processor::is_root_block( $block ) || strpos( $block_content, 'data-wp-' ) === false ) {
 		return $block_content;
 	}
 
@@ -47,8 +47,8 @@ function gutenberg_interactivity_process_directives_in_root_blocks( $block_conte
  * @return array The parsed block.
  */
 function gutenberg_interactivity_mark_inner_blocks( $parsed_block, $source_block, $parent_block ) {
-	if ( isset( $parent_block ) ) {
-		$parsed_block['is_inner_block'] = true;
+	if ( ! isset( $parent_block ) ) {
+		WP_Directive_Processor::add_root_block( $parsed_block );
 	}
 	return $parsed_block;
 }