/**
* @return int
*/
private function getSessionIdFromStorage()
{
/*
* run dependency check
*/
$this->checkDependencies();
/*
* if the container is empty return 0
* else return the session id stored
*/
if ($this->container->isEmpty()) {
return 0;
} else {
return $this->container->read();
}
}
/**
* {@inheritDoc}
*/
public function clear()
{
$this->storage->clear();
}
/**
*
* @return boolean
*/
public function hasIdentity()
{
return !$this->storage->isEmpty();
}