* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Console\Output; use Symfony\Component\Console\Formatter\OutputFormatter; use Symfony\Component\Console\Formatter\OutputFormatterInterface; /** * NullOutput suppresses all output. * * $output = new NullOutput(); * * @author Fabien Potencier * @author Tobias Schultze * * @api */ class NullOutput implements OutputInterface { /** * {@inheritdoc} */ public function setFormatter(OutputFormatterInterface $formatter) { // do nothing } /** * {@inheritdoc} */ public function getFormatter() { // to comply with the interface we must return a OutputFormatterInterface return new OutputFormatter(); } /** * {@inheritdoc} */ public function setDecorated($decorated) { // do nothing } /** * {@inheritdoc} */ public function isDecorated() { return false; } /** * {@inheritdoc} */ public function setVerbosity($level) { // do nothing } /** * {@inheritdoc} */ public function getVerbosity() { return self::VERBOSITY_QUIET; } /** * {@inheritdoc} */ public function writeln($messages, $type = self::OUTPUT_NORMAL) { // do nothing } /** * {@inheritdoc} */ public function write($messages, $newline = false, $type = self::OUTPUT_NORMAL) { // do nothing } }