id; } public function getDescription() { return $this->description; } public function setDescription($description) { $this->description = $description; } public function setProduct(ECommerceProduct $product) { if ($this->product !== $product) { $this->product = $product; $product->addFeature($this); } } public function removeProduct() { if ($this->product !== null) { $product = $this->product; $this->product = null; $product->removeFeature($this); } } public function getProduct() { return $this->product; } }