WordPress Version: 5.6
/**
* Retrieves the ID of the currently queried object.
*
* Wrapper for WP_Query::get_queried_object_id().
*
* @since 3.1.0
*
* @global WP_Query $wp_query WordPress Query object.
*
* @return int ID of the queried object.
*/
function get_queried_object_id()
{
global $wp_query;
return $wp_query->get_queried_object_id();
}