public function realpath($hash)	{
		if (($volume = $this->volume($hash)) == false) {
			return false;
		}
		return $volume->realpath($hash);
	}
public function realpath($hash)	{
		if (($volume = $this->volume($hash)) == false) {
			return false;
		}
		return $volume->realpath($hash);
	}
public function realpath ( $ hash ) { if ( ( $ volume = $ this -> volume ( $ hash ) ) == false ) { return false ; } return $ volume -> realpath ( $ hash ) ; }
Return file real path

@param  string  $hash  file hash
@return string
@author Dmitry (dio) Levashov
Return file real path