What are the best practices for organizing and accessing variables in PHP classes?

When organizing variables in PHP classes, it is best practice to use access modifiers like public, private, or protected to control the visibility and access to the variables. Additionally, it's a good idea to follow a naming convention such as camelCase for variable names to improve readability and maintainability. Lastly, consider grouping related variables together within the class to improve organization and make it easier to locate and access them. 

class User {
    private $username;
    private $email;

    public function setUsername($username) {
        $this->username = $username;
    }

    public function getEmail() {
        return $this->email;
    }
}

Keywords

variables organizing accessing PHP classes best practices

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