SimpleEmailServiceRequest::__responseWriteCallback PHP Method

__responseWriteCallback() private method

CURL write callback
private __responseWriteCallback ( resource &$curl, string &$data ) : integer
$curl resource CURL resource
$data string Data
return integer
    private function __responseWriteCallback(&$curl, &$data)
    {
        if (!isset($this->response->body)) {
            $this->response->body = $data;
        } else {
            $this->response->body .= $data;
        }
        return strlen($data);
    }