<form method="POST">
    <h3>Editing: SingleCommandApplication.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * @author Grégoire Pineau &lt;lyrixx@lyrixx.info&gt;
 */
class SingleCommandApplication extends Command
{
    private $version = 'UNKNOWN';
    private $autoExit = true;
    private $running = false;

    /**
     * @return $this
     */
    public function setVersion(string $version): self
    {
        $this-&gt;version = $version;

        return $this;
    }

    /**
     * @final
     *
     * @return $this
     */
    public function setAutoExit(bool $autoExit): self
    {
        $this-&gt;autoExit = $autoExit;

        return $this;
    }

    public function run(?InputInterface $input = null, ?OutputInterface $output = null): int
    {
        if ($this-&gt;running) {
            return parent::run($input, $output);
        }

        // We use the command name as the application name
        $application = new Application($this-&gt;getName() ?: 'UNKNOWN', $this-&gt;version);
        $application-&gt;setAutoExit($this-&gt;autoExit);
        // Fix the usage of the command displayed with &quot;--help&quot;
        $this-&gt;setName($_SERVER['argv'][0]);
        $application-&gt;add($this);
        $application-&gt;setDefaultCommand($this-&gt;getName(), true);

        $this-&gt;running = true;
        try {
            $ret = $application-&gt;run($input, $output);
        } finally {
            $this-&gt;running = false;
        }

        return $ret ?? 1;
    }
}
</textarea><br>
    <input type="submit" value="Save">
</form>