query_string │ filter-hook │ WP 1.5.0

Filters the query string before parsing.

Usage

add_filter( 'query_string', 'wp_kama_query_string_filter', 10, 3 );

/**
 * Function for `query_string` filter-hook.
 * 
 * @param string $query_string The query string to modify.
 * @param        $string       
 * @param        $request      
 *
 * @return string
 */
function wp_kama_query_string_filter( $query_string, $string, $request ){

	// filter...
	return $query_string;
}

$query_string(string)

The query string to modify.

$string

-

$request

-

Changelog

Where the hook is called

$this->query_string = apply_filters_deprecated(
	'query_string',
	array( $this->query_string ),
	'2.1.0',
	'query_vars, request'
);

Where the hook is used in WordPress