code: public function getPhotoUrl($size = 200)
      {
          if (!empty($this->individual)
              && $this->individual->getBehavior('Photo') !== null) {
              $indPhoto = $this->individual->getPhotoUrl($size);
              if ($indPhoto) {
                  return $indPhoto;
              }
          }
          if ($this->getBehavior('Photo') !== null) {
              return $this->getBehavior('Photo')->getPhotoUrl($size);
          }
  
          return false;
      }
docs: Get photo url.
  
  @param integer $size [[@doctodo param_description:size]] [optional]
  
  @return [[@doctodo return_type:getPhotoUrl]] [[@doctodo return_description:getPhotoUrl]]