From 588e7ff9b740a0deb6abd1636d62489c44d1cd88 Mon Sep 17 00:00:00 2001
From: Pascal Birchler <pascalb@google.com>
Date: Thu, 3 Aug 2023 20:33:00 +0200
Subject: [PATCH] Fix condition

Co-authored-by: Weston Ruter <westonruter@google.com>
---
 includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php b/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php
index 251c71d98af..e3b707f555c 100644
--- a/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php
+++ b/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php
@@ -2466,7 +2466,7 @@ private function remove_disallowed_descendants( DOMElement $node, $allowed_desce
 	 * @param string     $spec_name Spec name.
 	 */
 	private function remove_disallowed_siblings( DOMElement $node, $spec_name ) {
-		if ( ! $node->previousSibling || ! $node->nextSibling ) {
+		if ( ! $node->previousSibling && ! $node->nextSibling ) {
 			return;
 		}