WordPress at a glance
function is not described

WP_Query::parse_query_vars() WP 1.5.0

Reparse the query vars.

This is a method of the class: WP_Query

No Hooks.

Return

Nothing (null).

Usage

$WP_Query = new WP_Query();
$var = $WP_Query->parse_query_vars();

Code of WP Query::parse query vars: wp-includes/class-wp-query.php WP 5.2

<?php
public function parse_query_vars() {
	$this->parse_query();
}