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<?php declare(strict_types=1); abstract class User { public const STATUS_ACTIVE = 'active'; public const STATUS_INACTIVE = 'inactive'; public function __construct(public string $email, public string $status = self::STATUS_ACTIVE) { } public function setStatus(string $status): void { assert( in_array($status, [self::STATUS_ACTIVE, self::STATUS_INACTIVE]), sprintf('Le status %s n\'est pas valide. Les status possibles sont : %s', $status, implode(', ',[self::STATUS_ACTIVE, self::STATUS_INACTIVE])) ); $this->status = $status; } public function getStatus(): string { return $this->status; } abstract public function getUsername(): string; } final class Admin extends User { // Ajout d'un tableau de roles pour affiner les droits des administrateurs :) public function __construct(string $email, string $status = self::STATUS_ACTIVE, public array $roles = []) { parent::__construct($email, $status); } public function getUsername(): string { return $this->email; } // ... } // Ceci est impossible maintenant que la classe Admin est marquée comme finale. // class SuperAdmin extends Admin {} $admin = new Admin('trompete@guy.com', 'Ibrahim Maalouf'); var_dump($admin);

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