CTaskCountersProcessorInstaller::getStage

static function getStage()
{
	static $arKnownStages = array(
		self::STAGE_INSTALL_IN_PROGRESS,
		self::STAGE_INSTALL_COMPLETE
	);

	$stageId = (int) COption::GetOptionString('tasks', '~counters_installer_stage', -1, $siteId = '');

	// determine stage
	if ( ! in_array($stageId, $arKnownStages, true))
	{
		self::runSetup(); // why initialize runSetup ?
		$stageId = self::STAGE_INSTALL_IN_PROGRESS;
	}

	return ($stageId);
}