public getHttpHost () Gets host name used by the request. Request::getHttpHost trying to find host name in following

public isAjax () Checks whether request has been made using ajax

abstract public moveTo (mixed $destination) ...

implements Phalcon\Http\RequestInterface

public setHttpMethodParameterOverride (mixed $httpMethodParameterOverride) ...

public getBestCharset () Gets best charset accepted by the browser/client from _SERVER[“HTTP_ACCEPT_CHARSET”]

public hasPost (mixed $name) Checks whether $_POST superglobal has certain index

public isPurge () Checks whether HTTP method is PURGE (Squid and Varnish support). if _SERVER[“REQUEST_METHOD”]===”PURGE”

public getClientAddress ([mixed $trustForwardedHeader]) Gets most possible client IPv4 Address. This method search

public hasQuery (mixed $name) Checks whether $_GET superglobal has certain index