CBPCalc::GetVariableValue: Bitrix method

      
<?php 
//  CBPCalc :: GetVariableValue()
//  /dist/bitrix/modules/bizproc/classes/general/calc.php:84

    
private function GetVariableValue($variable)
    {
        
$variable trim($variable);
        if (!
preg_match(CBPActivity::ValuePattern$variable))
            return 
null;

        return 
$this->activity->ParseValue($variable);
    }