From 9d9f8798f77bd49bf2fd31838bc2d1ec67869ad6 Mon Sep 17 00:00:00 2001
From: Fellan-91 <alexey.fellan@gmail.com>
Date: Tue, 5 Mar 2024 13:55:27 +0300
Subject: [PATCH] fixed the validation function: added an exception for inner
 blocks

---
 classes/class-rest.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/classes/class-rest.php b/classes/class-rest.php
index bb87a0cc..dd0b157a 100644
--- a/classes/class-rest.php
+++ b/classes/class-rest.php
@@ -256,12 +256,15 @@ public function get_block( $request ) {
 	 * @return boolean
 	 */
 	public function is_valid_html( $html ) {
+		// Remove <InnerBlocks> tags using regular expression.
+		$cleaned_html = preg_replace( '/<InnerBlocks\s*\/?>/', '', $html );
+
 		$dom = new DOMDocument();
 
 		// Disable libxml errors and error handling.
 		libxml_use_internal_errors( true );
 
-		$dom->loadHTML( $html );
+		$dom->loadHTML( $cleaned_html );
 
 		// Get any errors from libxml.
 		$errors = libxml_get_errors();