Theculturedao 移动端文化 DAO 平台：艺术家高效管理项目 + 全球资源支持

class User {
    public readonly string $name;
    public function __construct(string $name) {
        $this->name = $name;
    }
}

$status = match ($code) {
     => '成功',
     => '未找到',
    default => '未知错误',
};

function getDbConnection(): PDO {
    $host = 'localhost';
    $dbname = 'test';
    $user = 'root';
    $passwd = '';
    try {
        return new PDO("mysql:host=$host;dbname=$dbname;charset=utf8", $user, $passwd);
    } catch (PDOException $e) {
        die("数据库连接失败: " . $e->getMessage());
    }
}

$randomString = random_bytes(); // 生成16字节的随机二进制数据
$hexString = bin2hex($randomString); // 转换为十六进制字符串

$parts = ['Hello', 'World', '!'];
$message = implode(' ', $parts); // 更优的拼接方式

{
    "require": {
        "monolog/monolog": "^3.0",
        "symfony/http-foundation": "~6.0"
    }
}

$username = filter_var($_POST['username'], FILTER_SANITIZE_STRING);
$password = password_hash($_POST['password'], PASSWORD_DEFAULT);

echo htmlspecialchars($userInput, ENT_QUOTES, 'UTF-8');

Route::resource('posts', PostController::class);

$posts = Post::where('status', 'published')
    ->orderBy('created_at', 'desc')
    ->with('comments')
    ->paginate();

$posts = Cache::remember('posts', , function () {
    return Post::all();
});

class UserService {
    private MailerInterface $mailer;
    public function __construct(MailerInterface $mailer) {
        $this->mailer = $mailer;
    }
}

// 支付接口示例
class PaymentController {
    public function handle(Request $request) {
        $order = Order::find($request->order_id);
        $payment = new AlipayService();
        $result = $payment->createOrder($order->amount);
        if ($result->success) {
            $order->status = 'paid';
            $order->save();
            return redirect('/success');
        }
        return redirect('/error');
    }
}

// 工单搜索示例
class TicketController {
    public function search(Request $request) {
        $tickets = Ticket::search($request->query('keyword'))
            ->where('status', 'open')
            ->paginate();
        return view('tickets.index', compact('tickets'));
    }
}

// 用户注册示例
class AuthController {
    public function register(Request $request) {
        $validator = Validator::make($request->all(), [
            'name' => 'required|string|max:255',
            'email' => 'required|email|unique:users',
            'password' => 'required|min:8|confirmed',
        ]);
        if ($validator->fails()) {
            return response()->json($validator->errors(), );
        }
        $user = User::create([
            'name' => $request->name,
            'email' => $request->email,
            'password' => Hash::make($request->password),
        ]);
        return response()->json($user, );
    }
}

// 低效写法
$str = '';
for ($i = ; $i < ; $i++) {
    $str .= $i;
}
// 高效写法
$arr = range(, );
$str = implode('', $arr);

$stmt = $pdo->prepare("SELECT * FROM users WHERE email = :email");
$stmt->execute([':email' => $email]);

$safeInput = htmlspecialchars($userInput, ENT_QUOTES, 'UTF-8');