gistfile1.txt

class GroupRepository
{
    private $groupModel;

    public function __construct(Group $groupModel)
    {
        $this->groupModel = $groupModel;
    }

    public function create($creatorID, $image, $name, $description)
    {
        $this->groupModel->creator_id = $creatorID;
        $this->groupModel->image = $image;
        $this->groupModel->name = $name;
        $this->groupModel->description = $description;
        $this->groupModel->save();
    }
}