);

	}

	/**
	 * Retrieve the date when a trial will end
	 *
	 * @since 3.0.0
	 *
	 * @param string $format Optional. Date return format. Default is 'Y-m-d H:i:s'.
	 * @return string
	 */
	public function get_trial_end_date( $format = 'Y-m-d H:i:s' ) {

		if ( ! $this->has_trial() ) {

			$trial_end_date = '';

		} else {

			// Retrieve the saved end date.
			$trial_end_date = $this->get_date( 'date_trial_end', $format );