class StripePaymentGateway extends PaymentGateway public function processPayment($amount) // Implement Stripe payment processing logic
class Rectangle extends Shape public function area($width, $height) return $width * $height; object-oriented principles in php laracasts download
Using access modifiers like private and protected , and exposing data only through public getter and setter methods. 2. Inheritance $height) return $width * $height
: Implementing Data Transfer Objects for better type safety. // Works! checkout(new Paypal()
// Usage checkout(new Stripe(), 100); // Works! checkout(new Paypal(), 50); // Works!
Encapsulation is the practice of hiding internal details of how an object works and only exposing what is necessary. In PHP, this is primarily achieved using .
public function log(string $message): void;