Piwik\Category\Subcategory::getName PHP Method

    public function getName()
    {
        if (!empty($this->name)) {
            return $this->name;
        }
        return $this->id;
    }

 /**
  * @param Subcategory|null $subcategory
  * @return array
  */
 private function buildSubcategoryMetadata($subcategory)
 {
     if (!isset($subcategory)) {
         return null;
     }
     return array('id' => (string) $subcategory->getId(), 'name' => Piwik::translate($subcategory->getName()), 'order' => $subcategory->getOrder());
 }