How can the separation of layout and business logic be achieved effectively in PHP development?

To achieve the separation of layout and business logic in PHP development, one effective approach is to use a template engine such as Twig. This allows developers to create separate template files for the layout/design of the application and keep the business logic in PHP files. By using Twig, developers can easily pass data from PHP files to templates and maintain a clean separation between presentation and logic. 

// Example using Twig template engine
require_once 'vendor/autoload.php';

$loader = new \Twig\Loader\FilesystemLoader('templates');
$twig = new \Twig\Environment($loader);

// Business logic
$data = [
    'title' => 'Welcome to my website',
    'content' => 'This is some content for the page',
];

// Render template with data
echo $twig->render('index.html', $data);

Keywords

MVC template engine PHP frameworks separation of concerns view layer

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