What are the potential pitfalls of mixing HTML and PHP code in a single file?

Mixing HTML and PHP code in a single file can make the code harder to read and maintain, as it can lead to a lack of separation of concerns. To solve this issue, it's recommended to use a templating engine like Twig or Blade to separate the HTML and PHP code. This way, the presentation logic is kept separate from the business logic, making the code more organized and easier to manage. 

<?php
// Include the templating engine library
require_once 'vendor/autoload.php';

// Create a new Twig environment
$loader = new \Twig\Loader\FilesystemLoader('templates');
$twig = new \Twig\Environment($loader);

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

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

Keywords

HTML PHP syntax errors security vulnerabilities code readability

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