Abstraction involves hiding complex implementation details and showing only the necessary features of an object. It helps reduce programming complexity and effort by focusing on what an object does rather than how it does it.
These pillars are not merely theoretical; they are the practical tools you will use to build robust, scalable applications. object-oriented principles in php laracasts download
public function subscribe(Request $request) email']); $this->newsletter->subscribe($request->email); public function subscribe(Request $request) email'])
class DatabaseLogger implements Logger
public function __construct($balance = 0) $this->balance = $balance; balance = $balance
interface PaymentProcessor public function charge(float $amount): void; class StripeProcessor implements PaymentProcessor public function charge(float $amount): void // Stripe API logic class PayPalProcessor implements PaymentProcessor public function charge(float $amount): void // PayPal API logic // Both classes can be passed to this function interchangeably function checkout(PaymentProcessor $processor, float $total) $processor->charge($total); Use code with caution. Abstraction