What are some recommended methods for programming specific components in PHP projects, such as a functional template engine?

When programming specific components in PHP projects, such as a functional template engine, it is recommended to separate the presentation logic from the business logic to improve maintainability and reusability. One common approach is to use a template engine like Twig, which allows for a clean separation of HTML markup and PHP code. 

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

$loader = new Twig_Loader_Filesystem('templates');
$twig = new Twig_Environment($loader);

$template = $twig->load('index.html');
echo $template->render(['name' => 'John Doe']);
```

This code snippet demonstrates how to implement a functional template engine using Twig in a PHP project. The Twig template engine helps to keep the presentation logic separate from the business logic, making the code more maintainable and easier to work with.

Keywords

PHP functional programming template engine component programming recommended methods

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