before_signup_form action-hook . WP 3.0.0
Fires before the site sign-up form.
Usage
add_action( 'before_signup_form', 'action_function_name_3463' );
function action_function_name_3463(){
// action...
}Where the hook is called
In file:
/wp-signup.phpbefore_signup_form
wp-signup.php 86
do_action( 'before_signup_form' );