wp-includes/user.php:3549Handles registering a new user.
$user_loginstring$user_emailstringint|WP_Error5 hooks fire while register_new_user() runs, in this order:
Filters the email address of a user being registered.
Filters the list of disallowed usernames.
Fires when submitting registration form data, before the user is created.
Filters the errors encountered when a new user is being registered.
Fires after a new user registration has been recorded.
function register_new_user( $user_login, $user_email ) { $errors = new WP_Error(); $sanitized_user_login = sanitize_user( $user_login ); /** * 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.' ) ); $sanitized_user_login = ''; } elseif ( username_exists( $sanitized_user_login ) ) { $errors->add( 'username_exists', __( '<strong>Error:</strong> This username is already registered. Please choose another one.' ) ); } else { /** This filter is documented in wp-includes/user.php */ $illegal_user_logins = (array) apply_filters( 'illegal_user_logins', array() ); if ( in_array( strtolower( $sanitized_user_login ), array_map( 'strtolower', $illegal_user_logins ), true ) ) { $errors->add( 'invalid_username', __( '<strong>Error:</strong> Sorry, that username is not allowed.' ) ); } } // Check the email address. if ( '' === $user_email ) { $errors->add( 'empty_email', __( '<strong>Error:</strong> Please type your email address.' ) ); } elseif ( ! is_email( $user_email ) ) { $errors->add( 'invalid_email', __( '<strong>Error:</strong> The email address is not correct.' ) ); $user_email = ''; } elseif ( email_exists( $user_email ) ) { $errors->add( 'email_exists', sprintf( /* translators: %s: Link to the login page. */ __( '<strong>Error:</strong> This email address is already registered. <a href="%s">Log in</a> with this address or choose another one.' ), esc_url( wp_login_url() ) ) ); } /** * Fires when submitting registration form data, before the user is created. * * @since 2.1.0 * * @param string $sanitized_user_login The submitted username after being sanitized. * @param string $user_email The submitted email. * @param WP_Error $errors Contains any errors with submitted username and email, * e.g., an empty field, an invalid username or email, * or an existing username or email. */ do_action( 'register_post', $sanitized_user_login, $user_email, $errors ); /** * Filters the errors encountered when a new user is being registered. * * The filtered WP_Error object may, for example, contain errors for an invalid * or existing username or email address. A WP_Error object should always be returned, * but may or may not contain errors. * * If any errors are present in $errors, this will abort the user's registration. * * @since 2.1.0 * * @param WP_Error $errors A WP_Error object containing any errors encountered * during registration. * @param string $sanitized_user_login User's username after it has been sanitized. * @param string $user_email User's email. */ $errors = apply_filters( 'registration_errors', $errors, $sanitized_user_login, $user_email ); if ( $errors->has_errors() ) { return $errors; }Introduced in 2.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/user.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.