Файл: symfony-2.7/src/Symfony/Bundle/FrameworkBundle/Templating/Helper/SessionHelper.php
Строк: 137
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SymfonyBundleFrameworkBundleTemplatingHelper;
use SymfonyComponentTemplatingHelperHelper;
use SymfonyComponentHttpFoundationRequest;
use SymfonyComponentHttpFoundationRequestStack;
/**
* SessionHelper provides read-only access to the session attributes.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class SessionHelper extends Helper
{
protected $session;
protected $requestStack;
/**
* Constructor.
*
* @param Request|RequestStack $requestStack A RequestStack instance or a Request instance
*
* @deprecated since version 2.5, passing a Request instance is deprecated and support for it will be removed in 3.0.
*/
public function __construct($requestStack)
{
if ($requestStack instanceof Request) {
trigger_error('Since version 2.5, passing a Request instance into the '.__METHOD__.' is deprecated and support for it will be removed in 3.0. Inject a SymfonyComponentHttpFoundationRequestStack instance instead.', E_USER_DEPRECATED);
$this->session = $requestStack->getSession();
} elseif ($requestStack instanceof RequestStack) {
$this->requestStack = $requestStack;
} else {
throw new InvalidArgumentException('RequestHelper only accepts a Request or a RequestStack instance.');
}
}
/**
* Returns an attribute.
*
* @param string $name The attribute name
* @param mixed $default The default value
*
* @return mixed
*/
public function get($name, $default = null)
{
return $this->getSession()->get($name, $default);
}
public function getFlash($name, array $default = array())
{
return $this->getSession()->getFlashBag()->get($name, $default);
}
public function getFlashes()
{
return $this->getSession()->getFlashBag()->all();
}
public function hasFlash($name)
{
return $this->getSession()->getFlashBag()->has($name);
}
private function getSession()
{
if (null === $this->session) {
if (!$this->requestStack->getMasterRequest()) {
throw new LogicException('A Request must be available.');
}
$this->session = $this->requestStack->getMasterRequest()->getSession();
}
return $this->session;
}
/**
* Returns the canonical name of this helper.
*
* @return string The canonical name
*/
public function getName()
{
return 'session';
}
}