nts_payment_add_secondary_where_conditions_args', $args );
		$args = wp_parse_args(
			(array) $args,
			[
				'currency'     => wpforms_get_currency(),
				'mode'         => 'live',
				'is_published' => 1,
			]
		);

		$where = '';

		// If it's a valid mode, add it to a WHERE clause.
		if ( ValueValidator::is_valid( $args['mode'], 'mode' ) ) {
			$where .= $wpdb->prepare( ' AND mode = %s', $args['mode'] );
		}

		$where .= $wpdb->prepare( ' AND currency = %s', $args['currency'] );
		$where .= $wpdb->prepare( ' AND is_published = %d', $args['is_published'] );

		return $where;
	}

	/**
	 * Sanitize query arguments for get_payments() method.
	 *
	 * @since 1.8.2
	 *
	 * @param array $args Query arguments.
	 *
	 * @return array
	 */
	private function sanitize_get_payments_args( $args ) {

		$defaults = [
			'number'  => 20,
			'offset'  => 0,
			'orderby' => 'id',
			'order'   => 'DESC',
		];

		$args = wp_parse_args( (array) $args, $defaults );

		// Sanitize.
		$args['number'] = absint( $args['number'] );
		$args['offset'] = absint( $args['offset'] );

		if ( $args['number'] === 0 ) {
			$args['number'] = $defaults['number'];
		}

		return $args;
	}
}
nts_payment_add_secondary_where_conditions_args', $args );
		$args = wp_parse_args(
			(array) $args,
			[
				'currency'     => wpforms_get_currency(),
				'mode'         => 'live',
				'is_published' => 1,
			]
		);

		$where = '';

		// If it's a valid mode, add it to a WHERE clause.
		if ( ValueValidator::is_valid( $args['mode'], 'mode' ) ) {
			$where .= $wpdb->prepare( ' AND mode = %s', $args['mode'] );
		}

		$where .= $wpdb->prepare( ' AND currency = %s', $args['currency'] );
		$where .= $wpdb->prepare( ' AND is_published = %d', $args['is_published'] );

		return $where;
	}

	/**
	 * Sanitize query arguments for get_payments() method.
	 *
	 * @since 1.8.2
	 *
	 * @param array $args Query arguments.
	 *
	 * @return array
	 */
	private function sanitize_get_payments_args( $args ) {

		$defaults = [
			'number'  => 20,
			'offset'  => 0,
			'orderby' => 'id',
			'order'   => 'DESC',
		];

		$args = wp_parse_args( (array) $args, $defaults );

		// Sanitize.
		$args['number'] = absint( $args['number'] );
		$args['offset'] = absint( $args['offset'] );

		if ( $args['number'] === 0 ) {
			$args['number'] = $defaults['number'];
		}

		return $args;
	}
}