JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3RbrsetName('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) { $output->write(\sprintf('%c[2J%c[0;0f', 27, 27)); return 0; } }