Category=new ProjectCategory($this->ProjectCategoryId); $idList=explode(",", $this->ProjectImages); $this->Images=array(); foreach ($idList as $id) $this->Images[]=new Image($id); } public function Save(){ $images=array(); foreach ($this->Images as $img) $images[]=$img->ImageId; $this->ProjectImages=implode(",", $images); parent::Save(); } public function GetIcon(){ return new Image($this->ProjectIcon); } }