protected function saveString($ch, $string)
    {
        $this->dString .= $string;
        $content_length = strlen($this->dString);
        return strlen($string);
    }
protected function saveString($ch, $string)
    {
        $this->dString .= $string;
        $content_length = strlen($this->dString);
        return strlen($string);
    }
protected function saveString ( $ ch , $ string ) { $ this -> dString .= $ string ; $ content_length = strlen ( $ this -> dString ) ; return strlen ( $ string ) ; }
Helper method for send string
Helper method for send string