WP_HTML_Processor::get_breadcrumbs(): string[]|null

Source

public function get_breadcrumbs() {
	$breadcrumbs = array();

	foreach ( $this->state->stack_of_open_elements->walk_down() as $stack_item ) {
		$breadcrumbs[] = $stack_item->node_name;
	}

	if ( ! $this->is_virtual() ) {
		return $breadcrumbs;
	}

	foreach ( $this->element_queue as $queue_item ) {
		if ( $this->current_element->token->bookmark_name === $queue_item->token->bookmark_name ) {
			break;
		}

		if ( 'context-node' === $queue_item->token->bookmark_name ) {
			break;
		}

		if ( 'real' === $queue_item->provenance ) {
			break;
		}

		if ( WP_HTML_Stack_Event::PUSH === $queue_item->operation ) {
			$breadcrumbs[] = $queue_item->token->node_name;
		} else {
			array_pop( $breadcrumbs );
		}
	}

	if ( null !== parent::get_token_name() && ! parent::is_tag_closer() ) {
		array_pop( $breadcrumbs );
	}

	// Add the virtual node we're at.
	if ( WP_HTML_Stack_Event::PUSH === $this->current_element->operation ) {
		$breadcrumbs[] = $this->current_element->token->node_name;
	}

	return $breadcrumbs;
}

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