WordPress at a glance
filter is not described

logout_url filter-hook . WP 2.8.0

Filters the logout URL.

Usage

add_filter( 'logout_url', 'filter_function_name_2211', 10, 2 );
function filter_function_name_2211( $logout_url, $redirect ){
	// filter...

	return $logout_url;
}
$logout_url(string)
The HTML-encoded logout URL.
$redirect(string)
Path to redirect to on logout.

Where the hook is called

wp_logout_url()
wp-includes/general-template.php 306
return apply_filters( 'logout_url', $logout_url, $redirect );

Where the hook is used (in WP core)

Does not used.