Dietcube\Response::setHeader PHP Method

    public function setHeader($header, $value)
    {
        $header = trim($header);
        if (!is_array($value)) {
            $value = trim($value);
            $this->headers[$header][] = $value;
        } else {
            foreach ($value as $v) {
                $v = trim($v);
                $this->headers[$header][] = $v;
            }
        }
        return $this;
    }