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Mentioned the TargetPathTrait utility #9112

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Merged
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Jan 23, 2018
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Mentioned the TargetPathTrait utility #9112

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21 changes: 21 additions & 0 deletions security/form_login.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -430,3 +430,24 @@ are now fully customized:
<input type="hidden" name="back_to" value="<?php echo $view['router']->path('forgot_password') ?>" />
<input type="submit" name="login" />
</form>

Redirecting to the Last Accessed Page with ``TargetPathTrait``
--------------------------------------------------------------

The last request URI is stored in a session variable named
``_security.<your providerKey>.target_path`` (e.g. ``_security.main.target_path``
if the name of your firewall is ``main``). Most of the times you don't have to
deal with this low level session variable. However, if you ever need to get or
remove this variable, it's better to use the
:class:`Symfony\\Component\\Security\\Http\\Util\\TargetPathTrait` utility::

// ...
use Symfony\Component\Security\Http\Util\TargetPathTrait;

$targetPath = $this->getTargetPath($request->getSession(), $providerKey);

// equivalent to:
// $targetPath = $request->getSession()->get('_security.'.$providerKey.'.target_path');

.. versionadded:: 3.1
The ``TargetPathTrait`` was introduced in Symfony 3.1.