ปลดล็อกพลังแห่งปัญญาประดิษฐ์

$category = 'nlp';
$label = match($category) {
    'ml'  => 'Machine Learning',
    'nlp' => 'Natural Language Processing',
    'cv'  => 'Computer Vision',
    'gen' => 'Generative AI',
};

// ผลลัพธ์: Natural Language Processing

function createUser(
    string $name,
    string $email,
    bool $admin = false,
    ?string $avatar = null
) { ... }

// ส่งเฉพาะบาง argument
createUser(
    name: 'สมชาย',
    email: 'som@ex.com',
    admin: true
);

readonly class SiteMeta {
    public function __construct(
        public string $title,
        public string $description,
        public bool $published = true
    ) {}
}

// $meta = new SiteMeta(...);
// $meta->title; // ✅ อ่านได้
// $meta->title = 'x'; // ❌ ERROR