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How to create and use components in CakePHP?

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by jerad , in category: PHP Frameworks , a year ago

How to create and use components in CakePHP?

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1 answer

Member

by adan , a year ago

@jerad 

CakePHP is a PHP web application framework that follows the Model-View-Controller (MVC) architectural pattern. In CakePHP, components are a way to package and reuse common functionality across controllers. Here are the steps to create and use components in CakePHP:

  1. Create a new file in the src/Controller/Component directory with the name of your component, e.g. MyComponent.php. The file should define a class that extends CakeControllerComponent.
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// src/Controller/Component/MyComponent.php

namespace AppControllerComponent;

use CakeControllerComponent;

class MyComponent extends Component
{
    // Component code goes here
}


  1. Define the methods that your component will provide. Components can be accessed from controllers using the $this->MyComponent syntax.
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// src/Controller/Component/MyComponent.php

namespace AppControllerComponent;

use CakeControllerComponent;

class MyComponent extends Component
{
    public function doSomething()
    {
        // Component method implementation
    }
}


  1. Add the component to your controller by including it in the $components array property.
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// src/Controller/MyController.php

namespace AppController;

use AppControllerAppController;

class MyController extends AppController
{
    public $components = ['My'];

    public function index()
    {
        $this->My->doSomething();
        // Controller code goes here
    }
}


  1. Use the component methods in your controller actions.
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// src/Controller/MyController.php

namespace AppController;

use AppControllerAppController;

class MyController extends AppController
{
    public $components = ['My'];

    public function index()
    {
        $this->My->doSomething();
        // Controller code goes here
    }
}


That's it! Now you can use the component in any controller that includes it in the $components array.

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