Yoast\WP\SEO\Helpers

Current_Page_Helper::is_404() │ public │ Yoast 1.0

Determine whether this is a 404 page.

Метод класса: Current_Page_Helper{}

Хуков нет.

Возвращает

true|false. Whether nor not the current page is a 404 page.

Использование

$Current_Page_Helper = new Current_Page_Helper();
$Current_Page_Helper->is_404();

Код Current_Page_Helper::is_404() Yoast 23.4

yoast/src/helpers/current-page-helper.php 
public function is_404() {
	$wp_query = $this->wp_query_wrapper->get_main_query();

	return $wp_query->is_404();
}