public getBestAccept () Gets best mime/type accepted by the browser/client from _SERVER[“HTTP_ACCEPT”]

public isStrictHostCheck () Checks if the Request::getHttpHost method will be use strict validation of host name

public isPatch () Checks whether HTTP method is PATCH. if _SERVER[“REQUEST_METHOD”]===”PATCH”

public isConnect () Checks whether HTTP method is CONNECT. if _SERVER[“REQUEST_METHOD”]===”CONNECT”

public isSoapRequested () Alias of isSoap(). It will be deprecated in future versions

abstract public getType () ...

public getSize () Returns the file size of the uploaded file

public isSecure () Checks whether request has been made using any secure layer

public getBestLanguage () Gets best language accepted by the browser/client from _SERVER[“HTTP_ACCEPT_LANGUAGE”]

Source