query_string filter-hook . WP 1.5.0

Deprecated in 2.1.0. It is no longer supported and can be removed in future releases. Use query_vars' or 'request' filters instead.

Filters the query string before parsing.

Usage

add_filter( 'query_string', 'filter_function_name_7139' );
function filter_function_name_7139( $query_string ){
	// filter...

	return $query_string;
}

$query_string(string)

The query string to modify.

Where the hook is called

$this->query_string = apply_filters( 'query_string', $this->query_string );

Where the hook is used (in WP core)