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This helper is using standard PHP's setcookie() method, but with few additions.

To improve security, every value stored within the cookie will be encrypted and when you get your value back in request, you can read the value and decrypt value. If end-user modified encrypted value of cookie, framework's Crypt helper will throw \Koldy\Crypt\MalformedException.

To set the cookie, use Cookie::set() method:

use Koldy\Cookie;

$encryptedValue = Cookie::set('my_cookie', 'My value');

$encrytedValue is generated using key from configuration and using openssl_default_method from security configuration block. Read more about encrypting here.

PLEASE NOTE: If you generate encrypted cookie values and then change key in configuration, all cookie values generated before the key change won't be decrypted. Instead, \Koldy\Crypt\MalformedException will be thrown. We recommend that you generate key once, make it secret and unique enough. Change key only if you know what consequences it brings and only if your security is compromised.

If for any reason you need to avoid value encryption, use Cookie::rawSet() which is the same as using standard setcookie(). It accepts the same parameters as Cookie::set().

To get the cookie value simply use Cookie::get():

use Koldy\Cookie;

echo Cookie::get('my_cookie'); // would print "My value"

If for any reason you need to access raw cookie values, use Cookie::rawGet().

To check if cookie exists, use:


To delete the cookie, use: