PHP template engine

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    2024-01-11T18:05:22+00:00

    PHP template engines are tools used in web development to separate the presentation layer (HTML/CSS) from the application logic (PHP). This separation is beneficial for easier maintenance, better organization of code, and separation of concerns.

    Here are some common PHP template engines and a brief explanation of each:

    1. Smarty: This is one of the oldest and most popular PHP template engines. It's known for its flexibility and feature-rich environment. Smarty separates the logic from the presentation by allowing PHP code to be written separately from the HTML.

      Example usage:

      // Assign values in PHP
      $smarty = new Smarty();
      $smarty->assign('name', 'John Doe');
      
      // Display the template
      $smarty->display('template.tpl');
      

      In the template file (template.tpl), you can use Smarty tags to display the data:

      Hello, {$name}!
      
    2. Twig: Developed by the creators of Symfony, Twig is a modern, secure, and flexible template engine. It's often used with Symfony but can be integrated with other frameworks or used standalone.

      Example usage:

      $loader = new \Twig\Loader\FilesystemLoader('/path/to/templates');
      $twig = new \Twig\Environment($loader);
      
      echo $twig->render('index.html', ['name' => 'John Doe']);
      

      In the index.html Twig template:

      Hello, {{ name }}!
      
    3. Blade: Blade is the simple yet powerful templating engine provided with Laravel, a popular PHP framework. It does not restrict you from using plain PHP code in your views.

      Example usage in a Blade template:

      {{-- Blade template --}}
      Hello, {{ $name }}!
      

      You can pass the $name variable from a Laravel controller to the view.

    4. Latte: Popular in the Nette framework, Latte is designed for security and ease of use, offering context-sensitive escaping and other features.

      Example usage:

      $latte = new Latte\Engine;
      $params['name'] = 'John Doe';
      
      // Render template to output
      $latte->render('template.latte', $params);
      

      In the template.latte:

      Hello, {$name}!
      
    5. Plates: An intuitive and easy-to-use template system that works without compiling. It's native PHP and does not introduce a new syntax.

      Example:

      $templates = new League\Plates\Engine('/path/to/templates');
      echo $templates->render('profile', ['name' => 'John Doe']);
      

      In the profile.php template:

      <p>Hello, <?= $name ?>!</p>
      

    Each of these engines has its own syntax and features, and the choice of which to use depends on the specific requirements of your project, your personal or team preferences, and sometimes the PHP framework you are using.

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