public function handleShutdown()
	{
		if (!$this->shutdownHandlerRegistered)
		{
			return;
		}

		$error = error_get_last();
		if ($error && Severity::fromPhpErrorNo($error['type']) >= $this->minSeverityOnShutdown)
		{
			$this->handleError(
				$error['type'],
				$error['message'],
				$error['file'],
				$error['line']
			);
		}
	}