CBPRuntime::checkActivityFilterRules: Bitrix method

      
<?php 
//  CBPRuntime :: checkActivityFilterRules()
//  /dist/bitrix/modules/bizproc/classes/general/runtime.php:771

    private function checkActivityFilterRules($rules, $documentType, $distrName)
    {
        if (!is_array($rules) || CBPHelper::IsAssociativeArray($rules))
            $rules = array($rules);

        foreach ($rules as $rule)
        {
            $result = false;
            if (is_array($rule))
            {
                if (!$documentType)
                    $result = true;
                else
                {
                    foreach ($documentType as $key => $value)
                    {
                        if (!isset($rule[$key]))
                            break;
                        $result = $rule[$key] == $value;
                        if (!$result)
                            break;
                    }
                }
            }
            else
            {
                $result = (string)$rule == $distrName;
            }
            if ($result)
                return true;
        }
        return false;
    }