public function post($url, $params = '', $options = array()) {
        return parent::post($url, format_postdata_for_curlcall($params), $options);
    }
public function post($url, $params = '', $options = array()) {
        return parent::post($url, format_postdata_for_curlcall($params), $options);
    }
public function post ( $ url , $ params = '' , $ options = array ( ) ) { return parent :: post ( $ url , format_postdata_for_curlcall ( $ params ) , $ options ) ; }
Post request.

Overridden to convert the data to a string, else curl will set the wrong headers.

@param string $url The URL.
@param array|string $params The parameters.
@param array $options The options.
@return bool
Post request .