wp-includes/html-api/class-wp-html-active-formatting-elements.php:55Reports if a specific node is in the stack of active formatting elements.
$tokenWP_HTML_Tokenbool public function contains_node( WP_HTML_Token $token ) { foreach ( $this->walk_up() as $item ) { if ( $token->bookmark_name === $item->bookmark_name ) { return true; } } return false; }Introduced in 6.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/html-api/class-wp-html-active-formatting-elements.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.