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Example of __construct and __destruct in laravel ?

In Laravel, PHP classes can have a constructor and destructor like any other PHP class. The constructor is called when an object is created, and the destructor is called when an object is destroyed. Laravel uses these to perform certain tasks during the lifecycle of an object.

Here’s an example:

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class ExampleController extends Controller
{
    // Constructor
    public function __construct()
    {
        // Perform tasks when the object is created
        // This is often used for middleware or other setup tasks
        $this->middleware('auth');
    }

    // Destructor
    public function __destruct()
    {
        // Perform tasks when the object is destroyed
        // This is less common in Laravel, as PHP automatically cleans up resources
        // It's here for demonstration purposes
        echo 'Object destroyed';
    }

    // Other methods...

    public function index()
    {
        return view('example.index');
    }
}

In this example:

  • The __construct method is the constructor. In this case, it’s used to attach the ‘auth’ middleware, which ensures that the user is authenticated before accessing the controller’s methods.
  • The __destruct method is the destructor. It’s less commonly used in Laravel, as PHP automatically cleans up resources when they go out of scope. It’s included here for demonstration purposes.

Remember that Laravel controllers are instantiated by the framework, and PHP’s garbage collector automatically cleans up objects when they are no longer referenced.

Constructors are handy for tasks that need to be performed when an object is created, such as middleware registration, dependency injection, etc. Destructors, on the other hand, are less commonly used in Laravel because PHP handles memory management automatically.

Hi I am Amit Kumar Thakur Experienced as s Software Developer with a demonstrated history of working in the information technology and services industry. Skilled in HTML, CSS, Bootstrap4, PHP, Laravel-9 , REST API,FB API,Google API, Youtube Api, Bitbucket,Github,Linux and jQuery. Strong engineering professional focused in Computer/Information Technology Administration and Management. Currently my profile is to Software Developer, analyze the requirement, creating frame for web application, coding and maintenance.

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