有一个函数可以显示从最顶部开始的类别:functiongetFullCategoryName($strCategoryId,$arrCategories){$strCategoryIdPaent=NULL;$arrCategoryCurr=isset($arrCategories[$strCategoryId])?$arrCategories[$strCategoryId]:NULL;$arrCategoriesNames=[];while(is_array($arrCategoryCurr)){$arrCategoriesNames[]=$arrCategoryCurr['title