public function get_date( $key, $format = null ) {
		$format = ( ! $format ) ? $this->get_date_format() : $format;
		$raw    = $this->get( $key );
		// Only convert the date if we actually have something stored, otherwise we'll return the current date, which we probably aren't expecting.
		$date = $raw ? date_i18n( $format, strtotime( $raw ) ) : '';

		/**
		 * Filters the date(s)
		 *
		 * The first dynamic portion of this hook, `$this->model_post_type`, refers to the model's post type. For example "course",
		 * "lesson", "membership", etc...
		 * The second dynamic part of this hook, `$key`, refers to the date property name.
		 *
		 * @since 3.0.0
		 *
		 * @param string          $date      The formatted date.
		 * @param LLMS_Post_Model $llms_post The LLMS_Post_Model instance.
		 */
		return apply_filters( "llms_get_{$this->model_post_type}_{$key}_date", $date, $this );
	}