Session Tutorial in Laravel 11

 <?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class TestController extends Controller

{

    public function index()

    {

        $value = session("name");

        return view("welcomeTwo", compact("value"));

        // $value = session()->all();

        // $value = session()->except(["class","_previous"]);  //Here session will be show except "class" and "_previous" session

        // $value = session()->only(["name","_previous"]); //Here session will show "name" and "_previous" session only

        // echo "<pre>";

        // print_r($value);

        // echo "</pre>";

        // If we want to check whether any particular session key exists or not as shown below :

        // we can use exits() method instead of "has()" method.

        // Difference between exits() and has() method is that if there is session key is present but its

        // value is NULL then exits() method returns TRUE and has() method returns FALSE

        // if(session()->exists("name")) {

        //     $value = session()->get("name");

        //     echo $value;

        // } else {

        //     echo "Name key doesn't Exists";

        // }

        // $value = session()->get("name");    //Read session value using "get()" method

        // $value = session("name");   //Another way for read session value without "get()" method

        // $value = session("name", "HELLO");   //we can pass default value of session as second parameter(Here "HELLO" is default value of "name"),

        // if session is not created of named "name" then default value "HELLO" will be show

        // echo $value;

    }

    public function storeSession(Request $request)

    {

        // session(["name" => "HelloWorld"]);      //creating session value with key and value

        // session()->put("class","BTech");    //creating session value with "put()" method

        // Normally "Request" class is used to accept form data but we can use "Request" class with session

        // we can also use "Request" class for store session value and delete session value

        // When we use "Request" class at that time we have to use "put()" method, we can not save data in array format as shown below :

        // session(["name" => "HelloWorld"]);  //First way for store session without "Request" class

        // $request->session()->put("class", "BTech");     //Second way for store session with "Request" class

        // we can store multiple sessions simultaneously as shown below :

        session([

            "name" => "HelloWorld",

            // "name" => NULL,

            "class" => "BTech"

        ]);

        // Below flash() method will also create a session but that session is for temporary and will remove after some seconds

        session()->flash("status", "Session saved Successfully.");

        // session()->increment("count");

        // If we want to increment by 2 then we can do as shown below :

        // session()->increment("count", $incrementBy = 2);

        // session()->decrement("count", $decrementBy = 2);

        // By default, token value is not changed, but sometimes hackers can change or retrieve our session value

        // Hence, to prevent them laravel provides a method "regenerate()", "regenerate()" method changes token

        // value every time whenever we passed "regenerate()" in any method and whenever we go in any page every time

        // token value will change

        session()->regenerate();

        return redirect("/welcomeTwo");

    }

    public function deleteSession()

    {

        // session()->forget(["name", "class"]);

        // session()->flush(); //flush() method will remove all sessions

        // invalidate() method works same as "regenerate()" method but invalidate() method will remove all sessions also

        // we can use invalidate() method at the time of logout

        session()->invalidate();

        return redirect("/welcomeTwo");

    }

}

Above File is app\Http\Controllers\TestController File

Below File is resources\views\welcomeTwo File

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no">

    <meta http-equiv="X-UA-Compatible" content="ie=edge">

    <title>welcomeTwo</title>

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">

</head>

<body>

    <h1>{{ $value }}</h1>

    @if(session("status"))

        <div class="alert alert-success">

            {{ session("status") }}

        </div>

    @endif

</body>

</html>

Below File is routes\web File

<?php

use App\Http\Controllers\TestController;

use Illuminate\Support\Facades\Route;

Route::get('/', function () {

    return view('welcome');

});

Route::controller(TestController::class)->group(function () {

    Route::get("/welcomeTwo", "index");

    Route::get("/store-session", "storeSession");

    Route::get("/delete-session", "deleteSession");

});