Capture first

rtCamp · Aug 3, 2023 · 7b6ce5f · 7b6ce5f
1 parent 21f8f6f
commit 7b6ce5f
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php b/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php
@@ -2472,6 +2472,7 @@ private function remove_disallowed_siblings( DOMElement $node, $spec_name ) {
 
  $prev_sibling = $node->previousSibling;
  while ( null !== $prev_sibling ) {
+ $prev_prev_sibling = $prev_sibling->previousSibling;
  if ( $prev_sibling instanceof Element ) {
  $this->remove_invalid_child(
  $prev_sibling,
@@ -2482,11 +2483,12 @@ private function remove_disallowed_siblings( DOMElement $node, $spec_name ) {
  ]
  );
  }
- $prev_sibling = $prev_sibling->previousSibling;
+ $prev_sibling = $prev_prev_sibling;
  }
 
  $next_sibling = $node->nextSibling;
  while ( null !== $next_sibling ) {
+ $next_next_sibling = $next_sibling->nextSibling;
  if ( $next_sibling instanceof Element ) {
  $this->remove_invalid_child(
  $next_sibling,
@@ -2497,7 +2499,7 @@ private function remove_disallowed_siblings( DOMElement $node, $spec_name ) {
  ]
  );
  }
- $next_sibling = $next_sibling->nextSibling;
+ $next_sibling = $next_next_sibling;
  }
  }