Object-oriented Principles In | Php Laracasts Download Free

// Inheritance class SavingsAccount extends BankAccount private $interestRate;

Many client-specific interfaces are better than one general-purpose interface.

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return $this->model->all();

One of Laravel's most powerful features is its Service Container, which manages class dependencies. Instead of hardcoding a dependency inside a class, the dependency is "injected" from the outside, usually via the constructor. object-oriented principles in php laracasts download

public function __construct($balance = 0) $this->balance = $balance;

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: This principle allows different classes to be treated as instances of the same parent class or interface, enabling you to swap out implementations without changing the calling code. Beyond the Basics: Advanced PHP OOP

: Avoid bloating controllers with business logic. Extract complex actions into dedicated service classes, leveraging encapsulation to keep your code clean and readable.

Using the PaymentGateway interface example above, you can swap StripeGateway with a PayPalGateway seamlessly without breaking the code that processes the checkout. Moving Beyond Basics: The SOLID Principles

interface PaymentGateway public function processPayment(float $amount): bool; class StripeGateway implements PaymentGateway public function processPayment(float $amount): bool // Complex Stripe API logic goes here return true; Use code with caution. 3. Inheritance Instead of exposing raw data

Mastering Object-Oriented Principles in PHP: A Guide Inspired by Laracasts

: The updated version focusing on modern PHP practices.

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Encapsulation hides the internal state of an object and restricts direct access. Instead of exposing raw data, you expose public methods (getters and setters) to control how that data is modified.