Class yii\httpclient\Message

                public function __toString()
{
    // __toString cannot throw exception
    // use trigger_error to bypass this limitation
    try {
        return $this->toString();
    } catch (\Exception $e) {
        ErrorHandler::convertExceptionToError($e);
        return '';
    }
}

            

                public function addCookies(array $cookies)
{
    $cookieCollection = $this->getCookies();
    foreach ($cookies as $cookie) {
        if (!is_object($cookie)) {
            $cookie = new Cookie($cookie);
        }
        $cookieCollection->add($cookie);
    }
    return $this;
}

            

                public function addData($data)
{
    if (empty($this->_data)) {
        $this->_data = $data;
    } else {
        if (!is_array($this->_data)) {
            throw new \yii\base\Exception('Unable to merge existing data with new data. Existing data is not an array.');
        }
        $this->_data = array_merge($this->_data, $data);
    }
    return $this;
}

            

                public function addHeaders(array $headers)
{
    $headerCollection = $this->getHeaders();
    foreach ($headers as $name => $value) {
        $headerCollection->add($name, $value);
    }
    return $this;
}

            

                public function composeHeaderLines()
{
    if (!$this->hasHeaders()) {
        return [];
    }
    $headers = [];
    foreach ($this->getHeaders() as $name => $values) {
        $name = str_replace(' ', '-', ucwords(str_replace('-', ' ', $name)));
        foreach ($values as $value) {
            $headers[] = "$name: $value";
        }
    }
    return $headers;
}

            

                protected function defaultFormat()
{
    return Client::FORMAT_URLENCODED;
}

            

                public function getContent()
{
    return $this->_content;
}

            

                public function getCookies()
{
    if (!is_object($this->_cookies)) {
        $cookieCollection = new CookieCollection();
        if (is_array($this->_cookies)) {
            foreach ($this->_cookies as $cookie) {
                if (!is_object($cookie)) {
                    $cookie = new Cookie($cookie);
                }
                $cookieCollection->add($cookie);
            }
        }
        $this->_cookies = $cookieCollection;
    }
    return $this->_cookies;
}

            

                public function getData()
{
    return $this->_data;
}

            

                public function getFormat()
{
    if ($this->_format === null) {
        $this->_format = $this->defaultFormat();
    }
    return $this->_format;
}

            

                public function getHeaders()
{
    if (!is_object($this->_headers)) {
        $headerCollection = new HeaderCollection();
        if (is_array($this->_headers)) {
            foreach ($this->_headers as $name => $value) {
                if (is_int($name)) {
                    // parse raw header :
                    $rawHeader = $value;
                    if (strpos($rawHeader, 'HTTP/') === 0) {
                        $parts = explode(' ', $rawHeader, 3);
                        $headerCollection->add('http-code', $parts[1]);
                    } elseif (($separatorPos = strpos($rawHeader, ':')) !== false) {
                        $name = strtolower(trim(substr($rawHeader, 0, $separatorPos)));
                        $value = trim(substr($rawHeader, $separatorPos + 1));
                        $headerCollection->add($name, $value);
                    } else {
                        $headerCollection->add('raw', $rawHeader);
                    }
                } else {
                    $headerCollection->set($name, $value);
                }
            }
        }
        $this->_headers = $headerCollection;
    }
    return $this->_headers;
}

            

                public function hasContent($key)
{
    $content = $this->getContent();
    return is_array($content) && isset($content[$key]);
}

            

                public function hasCookies()
{
    if (is_object($this->_cookies)) {
        return $this->_cookies->getCount() > 0;
    }
    return !empty($this->_cookies);
}

            

                public function hasHeaders()
{
    if (is_object($this->_headers)) {
        return $this->_headers->getCount() > 0;
    }
    return !empty($this->_headers);
}

            

                public function setContent($content)
{
    $this->_content = $content;
    return $this;
}

            

                public function setCookies($cookies)
{
    $this->_cookies = $cookies;
    return $this;
}

            

                public function setData($data)
{
    $this->_data = $data;
    return $this;
}

            

                public function setFormat($format)
{
    $this->_format = $format;
    return $this;
}

            

                public function setHeaders($headers)
{
    $this->_headers = $headers;
    return $this;
}

            

                public function toString()
{
    $result = '';
    if ($this->hasHeaders()) {
        $headers = $this->composeHeaderLines();
        $result .= implode("\n", $headers);
    }
    $content = $this->getContent();
    if ($content !== null) {
        $result .= "\n\n" . $content;
    }
    return $result;
}