How can developers optimize the readability and maintainability of PHP code that includes conditional statements and HTML output?

To optimize the readability and maintainability of PHP code that includes conditional statements and HTML output, developers can separate the logic from the presentation by using a templating engine like Twig. This approach allows for cleaner code organization and easier maintenance in the long run. 

```php
<?php
require_once 'vendor/autoload.php';

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

$variable = 10;

echo $twig->render('template.html', ['variable' => $variable]);
?>
```

In this example, we are using the Twig templating engine to separate the logic from the presentation. The PHP code handles the data and logic, while the HTML template file (template.html) contains the presentation markup. This separation improves code readability and maintainability.

Keywords

conditional statements HTML output code optimization readability maintainability

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