Request::getUri() 

\nn\t3::Request()->getUri($varName = NULL); 

Return the request URI. Basically the URL / the GET string in the browser URL bar, which is stored in $_SERVER['REQUEST_URI'] is saved.

\nn\t3::Request()->getUri();
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| @return string

Source Code 

public function getUri ( $varName = null )
{
	return GeneralUtility::getIndpEnv('REQUEST_URI');
}
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