protected function getValue($equation)
    {
        if ($this->fixedVerifyCode !== null) {
            return $this->fixedVerifyCode;
        }
		
		return eval('return '. $equation['first'] . $equation['operator'] . $equation['second'] .';');
    }
protected function getValue($equation)
    {
        if ($this->fixedVerifyCode !== null) {
            return $this->fixedVerifyCode;
        }
		
		return eval('return '. $equation['first'] . $equation['operator'] . $equation['second'] .';');
    }
protected function getValue ( $ equation ) { if ( $ this -> fixedVerifyCode !== null ) { return $ this -> fixedVerifyCode ; } return eval ( 'return ' . $ equation [ 'first' ] . $ equation [ 'operator' ] . $ equation [ 'second' ] . ';' ) ; }
Get value of formula
@param array $equation
@return int|float
Get value of formula