<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpFoundation\Session\Storage\Proxy;
/**
* AbstractProxy.
*
* @author Drak <[email protected]>
*/
abstract class AbstractProxy
{
/**
* Flag if handler wraps an internal PHP session handler (using \SessionHandler).
*
* @var bool
*/
protected $wrapper = false;
/**
* @var bool
*/
protected $active = false;
/**
* @var string
*/
protected $saveHandlerName;
/**
* Gets the session.save_handler name.
*
* @return string
*/
public function getSaveHandlerName()
{
return $this->saveHandlerName;
}
/**
* Is this proxy handler and instance of \SessionHandlerInterface.
*
* @return bool
*/
public function isSessionHandlerInterface()
{
return $this instanceof \SessionHandlerInterface;
}
/**
* Returns true if this handler wraps an internal PHP session save handler using \SessionHandler.
*
* @return bool
*/
public function isWrapper()
{
return $this->wrapper;
}
/**
* Has a session started?
*
* @return bool
*/
public function isActive()
{
if (PHP_VERSION_ID >= 50400) {
return $this->active = \PHP_SESSION_ACTIVE === session_status();
}
return $this->active;
}
/**
* Sets the active flag.
*
* Has no effect under PHP 5.4+ as status is detected
* automatically in isActive()
*
* @internal
*
* @param bool $flag
*
* @throws \LogicException
*/
public function setActive($flag)
{
if (PHP_VERSION_ID >= 50400) {
throw new \LogicException('This method is disabled in PHP 5.4.0+');
}
$this->active = (bool) $flag;
}
/**
* Gets the session ID.
*
* @return string
*/
public function getId()
{
return session_id();
}
/**
* Sets the session ID.
*
* @param string $id
*
* @throws \LogicException
*/
public function setId($id)
{
if ($this->isActive()) {
throw new \LogicException('Cannot change the ID of an active session');
}
session_id($id);
}
/**
* Gets the session name.
*
* @return string
*/
public function getName()
{
return session_name();
}
/**
* Sets the session name.
*
* @param string $name
*
* @throws \LogicException
*/
public function setName($name)
{
if ($this->isActive()) {
throw new \LogicException('Cannot change the name of an active session');
}
session_name($name);
}
}