CBPWorkflowTemplateLoader::getTemplateConstants: Bitrix method

      
<?php 
//  CBPWorkflowTemplateLoader :: getTemplateConstants()
//  /dist/bitrix/modules/bizproc/classes/general/workflowtemplateloader.php:596

    public static function getTemplateConstants($workflowTemplateId)
    {
        $workflowTemplateId = (int) $workflowTemplateId;
        if ($workflowTemplateId <= 0)
            throw new CBPArgumentOutOfRangeException("workflowTemplateId", $workflowTemplateId);

        if (!isset(self::$workflowConstants[$workflowTemplateId]))
        {
            $cache = \Bitrix\Main\Application::getInstance()->getManagedCache();
            $cacheTag = self::CONSTANTS_CACHE_TAG_PREFIX.$workflowTemplateId;
            if ($cache->read(3600*24*7, $cacheTag))
            {
                self::$workflowConstants[$workflowTemplateId] = (array) $cache->get($cacheTag);
            }
            else
            {
                $iterator = self::GetList(
                    array(),
                    array('ID' => $workflowTemplateId),
                    false,
                    false,
                    array('CONSTANTS')
                );
                if ($row = $iterator->fetch())
                {
                    self::$workflowConstants[$workflowTemplateId] = (array) $row['CONSTANTS'];
                    $cache->set($cacheTag, self::$workflowConstants[$workflowTemplateId]);
                }
                else
                    self::$workflowConstants[$workflowTemplateId] = array();

            }
        }

        return self::$workflowConstants[$workflowTemplateId];
    }