public function getAbsoluteFilePath($filename, $subDir = self::UPLOADER_SUB_DIR)
    {
        return $this->getRootDir() . $this->getRelativeFilePath($filename, $subDir);
    }
public function getAbsoluteFilePath($filename, $subDir = self::UPLOADER_SUB_DIR)
    {
        return $this->getRootDir() . $this->getRelativeFilePath($filename, $subDir);
    }
public function getAbsoluteFilePath ( $ filename , $ subDir = self :: UPLOADER_SUB_DIR ) { return $ this -> getRootDir ( ) . $ this -> getRelativeFilePath ( $ filename , $ subDir ) ; }
Get absolute file path.

@param string $filename
@param string $subDir

@return string
Get absolute file path .