name : ClearCommand.php <?php /* * This file is part of Psy Shell. * * (c) 2012-2023 Justin Hileman * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Psy\Command; use Symfony\Component\Console\Input\InputInterface; use Symfony\Component\Console\Output\OutputInterface; /** * Clear the Psy Shell. * * Just what it says on the tin. */ class ClearCommand extends Command { /** * {@inheritdoc} */ protected function configure() { $this ->setName('clear') ->setDefinition([]) ->setDescription('Clear the Psy Shell screen.') ->setHelp( <<<'HELP' Clear the Psy Shell screen. Pro Tip: If your PHP has readline support, you should be able to use ctrl+l too! HELP ); } /** * {@inheritdoc} * * @return int 0 if everything went fine, or an exit code */ protected function execute(InputInterface $input, OutputInterface $output): int { $output->write(\sprintf('%c[2J%c[0;0f', 27, 27)); return 0; } }