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I have a very specific user registration process to implement on a website. I need to follow these steps when a user register via the front-end form :

  1. check email domain

    • if whitelisted domain: regular wordpress workflow (user registered, email notifications sent then user can choose is password during the first authentication process)
  2. If blacklisted domain

    • create user in DB
    • assign a custom WP role (eg. 'temp_account') for this user
    • don't send regular wordpress mail notifications
    • user with 'temp_account' role can't login

I can't find the proper action/filter I need to use for checking the email then prevent wordpress from sending default notifications...

Any advice/suggestion would be appreciated ;)

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TO really fit your needs, I think it's better to rewrite some part of wp_insert_user() function, some part can interrest you

   $user_email = apply_filters( 'pre_user_email', $raw_user_email );

And :

   $illegal_logins = (array) apply_filters( 'illegal_user_logins', array() );

if ( in_array( strtolower( $user_login ), array_map( 'strtolower', $illegal_logins ) ) ) {
    return new WP_Error( 'invalid_username', __( 'Sorry, that username is not allowed.' ) );
}

And :

     if ( isset( $userdata['role'] ) ) {
         $user->set_role( $userdata['role'] );
     } elseif ( ! $update ) {
         $user->set_role(get_option('default_role'));
     }

I think you'll be able to combine all these parts to make your own user registration.

Hope it helps !

  • Hi @Benoti ! I know I need to change/override this wp_insert_user() behavior but I'm not very comfortable with the idea of a "function rewriting"... I would rather use filters or actions. – MavBzh Nov 14 '16 at 16:38
  • Unfortunatly as you can see, there is no filter or action at this step :-( – Benoti Nov 14 '16 at 16:41
  • I think maybe I can use one(or both) user_registeror register_new_user actions but I can't find the right spot to check the email and force custom role before notifications are sent... – MavBzh Nov 14 '16 at 16:50
  • I think thèse functions are just to register with default parameter. But you maybe can use the filter of $illegal_logins if you only allow user name/login as email ? – Benoti Nov 14 '16 at 16:56

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