(PECL pecl_http >= 1.5.0)
HttpRequest::setBody — Set request body to send, overwriting previously set request body.
$request_body_data
  ] )Set request body to send, overwriting previously set request body.
request_body_dataThe request body to overwrite the existing request body with.
Ensure that a Content-Type is specified in the request body.
   Restituisce TRUE in caso di successo, FALSE in caso di fallimento.
  
This method was previously available as HttpRequest::setRawPostData().