Are there any recommended tutorials for implementing the separation of layout and code in PHP?

Separating layout and code in PHP involves keeping the HTML markup (layout) separate from the PHP logic (code) to improve code readability, maintainability, and reusability. One common approach is to use a template engine like Twig or Blade to create templates for the HTML markup and then inject data from PHP into these templates. 

```php
<?php
// index.php

require_once 'vendor/autoload.php'; // Assuming Twig is installed via Composer

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

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

echo $twig->render('index.html', $data);
```

In this code snippet, we are using Twig as the template engine to separate the layout and code. The `index.html` file in the `templates` directory contains the HTML markup with placeholders for dynamic data. The `$data` array is passed to the `render` method to populate the placeholders with actual data before rendering the final HTML output.

Keywords

MVC PHP templates Twig Blade Smarty

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