/**
* {@inheritdoc}
*/
public function switchBack()
{
// Restore the previous account from the stack.
if (!empty($this->accountStack)) {
$this->currentUser->setAccount(array_pop($this->accountStack));
} else {
throw new \RuntimeException('No more accounts to revert to.');
}
// Restore original session saving status if all account switches are
// reverted.
if (empty($this->accountStack)) {
if ($this->originalSessionSaving) {
$this->writeSafeHandler->setSessionWritable(TRUE);
}
}
return $this;
}
