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Zend Framework 2 Documentation (Manual)

File: /_sources/modules/zend.session.validator.http-user-agent.txt

:orphan:

.. _zend.session.validator.http-user-agent:

Http User Agent
---------------

``Zend\Session\Validator\HttpUserAgent`` provides a validator to check the session against the originally stored
$_SERVER['HTTP_USER_AGENT'] variable.  Validation will fail in the event that this does not match and throws an
exception in ``Zend\Session\SessionManager`` after session_start() has been called.

Basic Usage
^^^^^^^^^^^

A basic example is one like the following:

.. code-block:: php
   :linenos:

   use Zend\Session\Validator\HttpUserAgent;
   use Zend\Session\SessionManager;

   $manager = new SessionManager();
   $manager->getValidatorChain()->attach('session.validate', array(new HttpUserAgent(), 'isValid'));