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<?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)
{
$output->write(\sprintf('%c[2J%c[0;0f', 27, 27));
return 0;
}
}