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How to use Smarty with CakePHP?

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2023-06-03 15:10:501068browse

CakePHP is an open source PHP framework that provides rich features and tools to accelerate web application development. One of the powerful features is the template engine. By default, CakePHP uses PHP's native syntax for view rendering. However, sometimes we may want to use another template engine, such as Smarty. This article will introduce how to use Smarty in CakePHP.

1. What is Smarty?

Smarty is a template-based PHP framework that allows the separation of PHP code and HTML tags, thereby improving the readability and maintainability of templates. It provides various functions, such as variable substitution, conditional statements, loop statements, etc., to make template files more flexible and dynamic.

2. How to use Smarty in CakePHP?

1. Install Smarty

First, you need to add Smarty to the vendor folder of CakePHP. Smarty can be installed through Composer, or by directly downloading its source code and placing it in the correct folder.

2. Configure Smarty

In CakePHP, you need to edit the app/Config/bootstrap.php file to configure Smarty. Add the following code to register Smarty:

App::import('Vendor', 'Smarty/Smarty');

Configure::write('Smarty', array(
' template_dir' => APP . 'View' . DS . 'Smarty',
'compile_dir' => APP . 'tmp' . DS . 'smarty' . DS . 'compile',
'cache_dir' => APP . 'tmp' . DS . 'smarty' . DS . 'cache',
'left_delimiter' => '{',
'right_delimiter' => '}',
'caching' => 0,
'force_compile' => 0
));

This code adds the path of the Smarty folder to the folder path and defines what Smarty needs Various configuration options used, such as template folder, compilation folder, cache folder, left and right separators, whether to enable caching, etc.

3. Create Smarty view file

In the app/View folder, create a subfolder named Smarty to store Smarty template files. In the Smarty folder, create a file named layout.tpl as the main layout file, and add the following code to the template file:

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< ;title>{$title|default:'My App'}6e916e0f7d1e588d4f442bf645aedb2f
9c3bca370b5104690d9ef395f2c5f8d1
6c04bd5ca3fcae76e30b72ad730ca86d
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  {* Display main content *}
  {$content}

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This template file uses Smarty syntax to output variables and layout templates, and in the title tag A default value is used in .

4. Render the view in the controller

To use Smarty in the controller, you need to load the Smarty class and use it to render the template into HTML. In the CakePHP controller, you can use the following code to load the Smarty class, set the layout file, set the variables and render the template:

App::import('Vendor', 'Smarty/Smarty');

class MyController extends AppController {
public $layout = "Smarty/layout.tpl";
public $viewClass = 'Smarty';
public $helpers = array('Html', 'Form' );

public function index() {

  $this->set('title', 'My App');
  $this->set('content', '<p>Hello, Smarty!</p>');

}
}

This controller uses Smarty’s renderer class to render the template and sets the layout file. And set the variables required to render the template.

5. Run the application

When accessing the application through the browser, the controller method must be called and the view rendered through the CakePHP router. This will ensure that CakePHP can properly handle various requests and data before rendering the HTML code.

In addition, you also need to pay attention to path issues. Smarty requires template files to be properly referenced in the controller in order for layouts and variables to be rendered correctly. Therefore, make sure to use relative or absolute paths when defining template paths.

3. Conclusion

Using Smarty in CakePHP is very simple. By adding Smarty to the vendor folder, editing the bootstrap.php file, creating a Smarty template file, setting and rendering the template in the controller, you can easily leverage the power of Smarty to provide better and more flexible view rendering for your web application.

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