first_name ) ) $errors->add( 'empty_first_name', __( 'ERROR: Please enter a first name.', 'require-first-and-last-name' ), array( 'form-field' => 'first_name' ) ); if ( empty( $user->last_name ) ) $errors->add( 'empty_last_name', __( 'ERROR: Please enter a last name.', 'require-first-and-last-name' ), array( 'form-field' => 'last_name' ) ); } add_action('personal_options', 'require_first_and_last_name'); function require_first_and_last_name() { $script = << SCRIPT; echo str_replace('REQUIRED', __('(required)'), $script); } ?>