In PHP MVC architecture, what are some common strategies for managing and passing data between different layers of the application?

In PHP MVC architecture, common strategies for managing and passing data between different layers of the application include using models to interact with the database and retrieve data, controllers to handle user input and business logic, and views to display the data to the user. One approach is to pass data from the model to the controller, and then from the controller to the view using variables or arrays. 

// Model
class UserModel {
    public function getUserData($userId) {
        // Database query to retrieve user data
        return $userData;
    }
}

// Controller
class UserController {
    public function getUserProfile($userId) {
        $userModel = new UserModel();
        $userData = $userModel->getUserData($userId);
        
        // Pass data to the view
        include 'user_profile_view.php';
    }
}

// View (user_profile_view.php)
echo "User Name: " . $userData['name'];
echo "User Email: " . $userData['email'];

Keywords

PHP MVC architecture data management data passing application layers

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