How can the EVA principle be applied to improve the code structure in PHP?

To improve the code structure in PHP using the EVA principle (Encapsulate, Validate, and Avoid), we can encapsulate related functionality into classes or functions, validate input data to ensure it meets the required criteria, and avoid unnecessary complexity or duplication in the code. Example PHP code snippet: 

class User {
    private $name;

    public function setName($name) {
        if (is_string($name)) {
            $this->name = $name;
        } else {
            throw new Exception('Invalid name format');
        }
    }

    public function getName() {
        return $this->name;
    }
}

$user = new User();
$user->setName('John Doe');
echo $user->getName();

Keywords

EVA principle code structure PHP refactoring optimization

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