Verified - Addcartphp Num High Quality

Poorly written cart scripts query the database for every page load. High-quality scripts cache product data or minimize queries.

id = $id; $this->name = $name; $this->price = $price; $this->setQuantity($quantity); public function getId(): int return $this->id; public function getName(): string return $this->name; public function getPrice(): float return $this->price; public function getQuantity(): int return $this->quantity; public function setQuantity(int $quantity): void if ($quantity < 1) throw new InvalidArgumentException("Quantity must be at least 1."); $this->quantity = $quantity; public function getTotalPrice(): float return $this->price * $this->quantity; Use code with caution. Step 2: The ShoppingCart Class addcartphp num high quality