Using PHP

To remove a cookie in php we can use setcookie function unset($_COOKIE['amazon']); setcookie('amazon', null, -1, '/');where amazon is the name of the cookie.

  • Second parameter must be set to blank or null
  • Third parameter is expire date which should be set to a old or negative value.
  • Fourth parameter is the path of the cookie.

Using Jquery

Use the library from
https://github.com/carhartl/jquery-cookie

To create a cookie which expires in 100 days

$.cookie('name', 'value', { expires: 100 });

To read a value

$.cookie('name');

To delete cookie

$.removeCookie('name');

NOTE: We cannot delete cookie of a different domain using any php or jquery. It is not allowed due to security issues.

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