public function stream_flush()
    {
        if ($this->fileHandle === null) {
            return false;
        }
        self::restore();
        $success = fflush($this->fileHandle);
        self::register();
        return $success;
    }
public function stream_flush()
    {
        if ($this->fileHandle === null) {
            return false;
        }
        self::restore();
        $success = fflush($this->fileHandle);
        self::register();
        return $success;
    }
public function stream_flush ( ) { if ( $ this -> fileHandle === null ) { return false ; } self :: restore ( ) ; $ success = fflush ( $ this -> fileHandle ) ; self :: register ( ) ; return $ success ; }
Flush the output

@return bool
Flush the output