Chris@13: <?php
Chris@13: 
Chris@13: /*
Chris@13:  * This file is part of Psy Shell.
Chris@13:  *
Chris@13:  * (c) 2012-2018 Justin Hileman
Chris@13:  *
Chris@13:  * For the full copyright and license information, please view the LICENSE
Chris@13:  * file that was distributed with this source code.
Chris@13:  */
Chris@13: 
Chris@13: namespace Psy\Command;
Chris@13: 
Chris@13: use Symfony\Component\Console\Input\InputInterface;
Chris@13: use Symfony\Component\Console\Output\OutputInterface;
Chris@13: 
Chris@13: /**
Chris@13:  * Clear the Psy Shell.
Chris@13:  *
Chris@13:  * Just what it says on the tin.
Chris@13:  */
Chris@13: class ClearCommand extends Command
Chris@13: {
Chris@13:     /**
Chris@13:      * {@inheritdoc}
Chris@13:      */
Chris@13:     protected function configure()
Chris@13:     {
Chris@13:         $this
Chris@13:             ->setName('clear')
Chris@13:             ->setDefinition([])
Chris@13:             ->setDescription('Clear the Psy Shell screen.')
Chris@13:             ->setHelp(
Chris@13:                 <<<'HELP'
Chris@13: Clear the Psy Shell screen.
Chris@13: 
Chris@13: Pro Tip: If your PHP has readline support, you should be able to use ctrl+l too!
Chris@13: HELP
Chris@13:             );
Chris@13:     }
Chris@13: 
Chris@13:     /**
Chris@13:      * {@inheritdoc}
Chris@13:      */
Chris@13:     protected function execute(InputInterface $input, OutputInterface $output)
Chris@13:     {
Chris@17:         $output->write(\sprintf('%c[2J%c[0;0f', 27, 27));
Chris@13:     }
Chris@13: }