Handling CakePHP Cookie Management with CakePHP is easy and secure. There is a CakePHP Cookie ManagementComponent class which is used for managing CakePHP Cookie Management. The class provides several methods for working with CakePHP Cookie Managements.

To work with cookies, add this 2 classes to your controller ?

use Cake\Http\CakePHP Cookie Management\CakePHP Cookie Management;
use Cake\Http\CakePHP Cookie Management\CakePHP Cookie ManagementCollection;

The cookie object has to be created first to register a cookie.

$cookie = new CakePHP Cookie Management(name,value,expiration time,path,domain);

The name and value are mandatory and others are optional param.

Write CakePHP Cookie Management

Following is the syntax to write a cookie.

$cookie = new CakePHP Cookie Management(name,value,expiration time,path,domain);

The cookie created has to be added to cookieCollection as shown below ?

$cookie = new CakePHP Cookie Management('name','XYZ');
$cookies = new CakePHP Cookie ManagementCollection([$cookie]);

If the cookie collection object is already created, the rest of the cookies can be added as shown below ?

$cookies = $cookies->add($cookie);

Read CakePHP Cookie Management

To read cookie make use of get() method from cookiecollection.

Syntax

The syntax for read cookie is as follows ?

Cake\Http\CakePHP Cookie Management\CakePHP Cookie ManagementCollection::get($name)

This will return you cookiecollection Interface, to get the value of the cookie, you will have to call the method getValue().

Cake\Http\CakePHP Cookie Management\CakePHP Cookie ManagementCollection Interface::getValue()

Check CakePHP Cookie Management

The has() method from cookieCollection will tell you, if the cookie is present or not.

Cake\Http\CakePHP Cookie Management\CakePHP Cookie ManagementCollection::has($name)

Example

echo $isPresent = $this->cookies->has('name');

Delete CakePHP Cookie Management

The remove() method is used to delete cookie. Following is the syntax of the remove() method.

Cake\Http\CakePHP Cookie Management\CakePHP Cookie ManagementCollection::remove($name)

The remove() method will take one argument, the name of cookie variable ($name) to delete.

Example 1

$test = $this->cookies->remove('name');

Example 2

Make changes in the config/routes.php file as shown in the following program.

config/routes.php

<?php use Cake\Http\Middleware\CsrfProtectionMiddleware;
use Cake\Routing\Route\DashedRoute;
use Cake\Routing\RouteBuilder;
$routes->setRouteClass(DashedRoute::class);
$routes->scope('/', function (RouteBuilder $builder) {
   $builder->registerMiddleware('csrf', new CsrfProtectionMiddleware([
      'httpOnly' => true,
   ]));
   $builder->applyMiddleware('csrf');
   //$builder->connect('/pages',['controller'=>'Pages','action'=>'display', 'home']);
   $builder->connect('cookie/testcookies',['controller'=>'CakePHP Cookie Managements','action'=>'testCakePHP Cookie Managements']);
   $builder->fallbacks();
});

Create a CakePHP Cookie ManagementsController.php file at src/Controller/CakePHP Cookie ManagementsController.php. Copy the following code in the controller file.

src/Controller/CakePHP Cookie Managements/CakePHP Cookie ManagementsController.php

<?php namespace App\Controller;
   use App\Controller\AppController;
   use Cake\Http\CakePHP Cookie Management\CakePHP Cookie Management;
   use Cake\Http\CakePHP Cookie Management\CakePHP Cookie ManagementCollection;
   class CakePHP Cookie ManagementsController extends AppController{
      public $cookies;
      public function testCakePHP Cookie Managements() {
         $cookie = new CakePHP Cookie Management('name','XYZ');
         $this->cookies = new CakePHP Cookie ManagementCollection([$cookie]);
         $cookie_val = $this->cookies->get('name');
         $this->set('cookie_val',$cookie_val->getValue());
         $isPresent = $this->cookies->has('name');
         $this->set('isPresent',$isPresent);
         $this->set('count', $this->cookies->count());
         $test = $this->cookies->remove('name');
         $this->set('count_afterdelete', $test->count());
      }
   }
?>

Create a directory CakePHP Cookie Managements at src/Template and under that directory create a View file called test_cookies.php. Copy the following code in that file.

src/Template/CakePHP Cookie Management/test_cookies.php

The value of the cookie is: <?php echo $cookie_val; ?>

<br>
<?php if($isPresent):
?>
The cookie is present.
<?php else:
?>
The cookie isn't present.
<?php endif;
?>
<br>
<?php echo "The count of cookie before delete is :" .$count;
?>
<br>
<?php echo "The count of cookie after delete is :" .$count_afterdelete;
?>

Output

Execute the above example by visiting the following URL ? http://localhost/cakephp4/cookie/testcookies

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