Introduction to the usage of Symfony2 session

This article mainly introduces the usage of Symfony2 session, and analyzes the related usage skills of Symfony's own session method in the form of examples. Friends in need can refer to

This article analyzes the usage of Symfony2 session with examples. Share it with everyone for your reference, the details are as follows:

Symfony has its own session method. The session usage in the old version 2.2 and before was

$session = $this->getRequest()->getSession();
$session->set('foo', 'bar');
$foobar = $session->get('foobar');

Later, starting from Symfony2.3, the $this->getRequest() method was abandoned, and the usage method of session became

use Symfony\Component\HttpFoundation\Request;
public function indexAction(Request $request)
{
  $session = $request->getSession();
  // store an attribute for reuse during a later user request
  $session->set('foo', 'bar');
  // get the attribute set by another controller in another request
  $foobar = $session->get('foobar');
  // use a default value if the attribute doesn't exist
  $filters = $session->get('filters', array());
}

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