name : NullOutputFormatter.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Console\Formatter; /** * @author Tien Xuan Vo <tien.xuan.vo@gmail.com> */ final class NullOutputFormatter implements OutputFormatterInterface { private NullOutputFormatterStyle $style; public function format(?string $message): ?string { return null; } public function getStyle(string $name): OutputFormatterStyleInterface { // to comply with the interface we must return a OutputFormatterStyleInterface return $this->style ??= new NullOutputFormatterStyle(); } public function hasStyle(string $name): bool { return false; } public function isDecorated(): bool { return false; } public function setDecorated(bool $decorated): void { // do nothing } public function setStyle(string $name, OutputFormatterStyleInterface $style): void { // do nothing } }