protected function handle() {

		$options_to_wipe = array(
			'lifterlms_registration_generate_username',
			'lifterlms_registration_password_strength',
			'lifterlms_registration_password_min_strength',
			'lifterlms_user_info_field_names_checkout_visibility',
			'lifterlms_user_info_field_address_checkout_visibility',
			'lifterlms_user_info_field_phone_checkout_visibility',
			'lifterlms_user_info_field_email_confirmation_checkout_visibility',
			'lifterlms_user_info_field_names_registration_visibility',
			'lifterlms_user_info_field_address_registration_visibility',
			'lifterlms_user_info_field_phone_registration_visibility',
			'lifterlms_user_info_field_email_confirmation_registration_visibility',
			'lifterlms_voucher_field_registration_visibility',
			'lifterlms_user_info_field_names_account_visibility',
			'lifterlms_user_info_field_address_account_visibility',
			'lifterlms_user_info_field_phone_account_visibility',
			'lifterlms_user_info_field_email_confirmation_account_visibility',
		);

		global $wpdb;

		$sql = "
		DELETE FROM {$wpdb->options}
		WHERE option_name IN (" . implode( ', ', array_fill( 0, count( $options_to_wipe ), '%s' ) ) . ')';

		$wpdb->query(
			$wpdb->prepare(
				$sql,  // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
				$options_to_wipe
			)
		); // db call ok; no-cache ok.

		$this->skip_cache = true;

		return true;

	}