Symfony2 Session Usage Example Analysis _php instance

This paper analyzes the usage of SYMFONY2 session. Share to everyone for your reference, as follows:

Symfony from the method with the session, previous old version 2.2 and previous session usage is

$session = $this->getrequest ()->getsession (), $session->set (' foo ', ' Bar '), $foobar = $session->get (' Foobar ');

Later Symfony2.3 began to $this->getrequest () method was discarded, the session's use of the method becomes

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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