FOF30\Less\Parser\Parser::expressionList PHP Method

    protected function expressionList(&$exps)
    {
        $values = array();
        while ($this->expression($exp)) {
            $values[] = $exp;
        }
        if (count($values) == 0) {
            return false;
        }
        $exps = Less::compressList($values, ' ');
        return true;
    }