What hooks, actions or filters i can use to customize wordpress registration page and form?

WordPress handles registration with wp-signup.php (in the root of the installation). There are some hooks in place to allow for additional content (such as a signup header, or additional signup fields), but it doesn’t support theming in the same way that other WP pages do. BuddyPress is a pretty heavy-duty solution if all you want … Read more

disabling emails received by admins every time a new user signs up (function not working)

You need to implement your function earlier than you are. It seems that the “real” wp_new_user_notification() (from wp-includes/pluggable.php) is getting created before yours is. To test, remove the if ( ! function_exists( ‘wp_new_user_notification’ ) ) : from your code. You should be getting an error. You could create a plugin: //Plugin Name: blahblah function wp_new_user_notification() … Read more

How we get the success messages

You can declare $success variable and use it to display success message as following. Declare $success variable and assign success message to it if user is registered successfully as following : $success=””; if ( ‘POST’ == $_SERVER[‘REQUEST_METHOD’] && !empty( $_POST[‘action’] ) && $_POST[‘action’] == ‘adduser’ ) { $user_pass = wp_generate_password(); $userdata = array( ‘user_login’ => … Read more