Filters the email address of a user being registered.
$user_emailstringwp-includes/user.php:3501register_new_user() * Filters the email address of a user being registered. * * @since 2.1.0 * * @param string $user_email The email address of the new user. */ $user_email = apply_filters( 'user_registration_email', $user_email ); // Check the username. if ( '' === $sanitized_user_login ) { $errors->add( 'empty_username', __( '<strong>Error:</strong> Please enter a username.' ) ); } elseif ( ! validate_username( $user_login ) ) { $errors->add( 'invalid_username', __( '<strong>Error:</strong> This username is invalid because it uses illegal characters. Please enter a valid username.' ) );Introduced in 2.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.