What are some best practices for creating and working with classes in PHP?

When creating and working with classes in PHP, it is important to follow best practices to ensure clean, maintainable, and efficient code. Some best practices include using proper naming conventions, encapsulating data with private properties and using getter and setter methods, following the single responsibility principle, and utilizing inheritance and interfaces effectively. 

class User {
    private $id;
    private $username;
    
    public function getId() {
        return $this->id;
    }
    
    public function getUsername() {
        return $this->username;
    }
    
    public function setUsername($username) {
        $this->username = $username;
    }
}

Keywords

OOP PHP classes inheritance encapsulation polymorphism

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