FOF30\Less\Parser\Parser::mediaExpression PHP Method

    protected function mediaExpression(&$out)
    {
        $s = $this->seek();
        $value = null;
        if ($this->literal("(") && $this->keyword($feature) && ($this->literal(":") && $this->expression($value) || true) && $this->literal(")")) {
            $out = array("mediaExp", $feature);
            if ($value) {
                $out[] = $value;
            }
            return true;
        } elseif ($this->variable($variable)) {
            $out = array('variable', $variable);
            return true;
        }
        $this->seek($s);
        return false;
    }