Fires when submitting registration form data, before the user is created.

Parameters

$sanitized_user_loginstring

The submitted username after being sanitized.

$user_emailstring

The submitted email.

$errorsWP_Error

Contains any errors with submitted username and email, e.g., an empty field, an invalid username or email, or an existing username or email.

More Information

This action hook can be used to handle post data from a user registration before the registration_errors filter is called or errors are returned.

Please note that this hook should never be used for custom validation. Any custom validation rules should be performed using the registration_errors filter.

Source

do_action( 'register_post', $sanitized_user_login, $user_email, $errors );

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