register_url filter-hook . WP 3.6.0

Filters the user registration URL.

Usage

add_filter( 'register_url', 'filter_function_name_3209' );
function filter_function_name_3209( $register ){
	// filter...

	return $register;
}

$register(string)

The user registration URL.

Where the hook is called

return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) );

Where in WP core the hook is used WordPress