));  // returns : Array (     [0] => AppBundle\Entity\ProductName Object         (              [language:AppBundle\Entity\ProductName:private] => AppBundle\Entity\Language Object                 (                     [code:AppBundle\Entity\Language:private] => FR                     [name:AppBundle\Entity\Language:private] => Français                 )              [name:AppBundle\Entity\ProductName:private] => Ceinture lombaire LombaSkin         ) )  