Timber\Helper::is_true PHP Метод

    public static function is_true($value)
    {
        if (isset($value)) {
            if (is_string($value)) {
                $value = strtolower($value);
            }
            if (($value == 'true' || $value === 1 || $value === '1' || $value == true) && $value !== false && $value !== 'false') {
                return true;
            }
        }
        return false;
    }

 /**
  * @api
  * @example
  * ```twig
  * {% if comment.approved %}
  * 	Your comment is good
  * {% else %}
  * 	Do you kiss your mother with that mouth?
  * {% endif %}
  * ```
  * @return boolean
  */
 public function approved()
 {
     return Helper::is_true($this->comment_approved);
 }