protected function flush($message) {
        switch ($this->output) {
            case self::PRINT_AS_OUTPUT:
                IO::out($message);
                break;
            case self::PRINT_AS_MESSAGE:
                IO::err($message);
                break;
        }
    }
protected function flush($message) {
        switch ($this->output) {
            case self::PRINT_AS_OUTPUT:
                IO::out($message);
                break;
            case self::PRINT_AS_MESSAGE:
                IO::err($message);
                break;
        }
    }
protected function flush ( $ message ) { switch ( $ this -> output ) { case self :: PRINT_AS_OUTPUT : IO :: out ( $ message ) ; break ; case self :: PRINT_AS_MESSAGE : IO :: err ( $ message ) ; break ; } }
Print message to STDOUT or STDERR

@param string $message Message
Print message to STDOUT or STDERR