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minor #3735 [book] [controller] fixed the code of a session sample co…

…de (javiereguiluz)

This PR was merged into the 2.3 branch.

Discussion
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[book] [controller] fixed the code of a session sample code

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3+
| Fixed tickets | -

This code was updated in the past to use the $request controller
injection and the resulting code was a bit confusing. When you get
the attribute set by another controller, it's better to use a
different attribute name, to make it clear that it wasn't set at
this controller.

Commits
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9da7f9b [book] [controller] fixed the code of a session sample code
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weaverryan committed Apr 2, 2014
2 parents d92545e + 9da7f9b commit ce582ec9e072c07ebbba37c70da08692a6707e12
Showing with 3 additions and 3 deletions.
  1. +3 −3 book/controller.rst
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@@ -666,10 +666,10 @@ from any controller::
// store an attribute for reuse during a later user request
$session->set('foo', 'bar');
// in another controller for another request
$foo = $session->get('foo');
// get the attribute set by another controller in another request
$foobar = $session->get('foobar');
// use a default value if the key doesn't exist
// use a default value if the attribute doesn't exist
$filters = $session->get('filters', array());
}

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