php类...验证

class Validator {
    private $data;

    public function __construct($data) {
        $this->data = $data;
    }

    public function validate() {
        if (empty($this->data['name'])) {
            throw new Exception('Name is required');
        }

        if (empty($this->data['email']) || !filter_var($this->data['email'], FILTER_VALIDATE_EMAIL)) {
            throw new Exception('Valid email is required');
        }

        // Add more validation rules here
    }
}

$data = [
    'name' => 'John Doe',
    'email' => 'john.doe@example.com'
];

$validator = new Validator($data);

try {
    $validator->validate();
    echo "Data is valid";
} catch (Exception $e) {
    echo "Error: " . $e->getMessage();
}