(PECL pecl_http >= 0.10.0)
HttpRequest::addPostFields — Add post fields
Adds POST data entries, leaving previously set unchanged, unless a post entry with the same name already exists.
Affects only POST and custom requests.
an associative array as parameter containing the post fields
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.