Demonstration of a Symfony console command.

CleanTempCommand.php

<?php

namespace App;

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

class CleanTempCommand extends Command
{
    protected static $defaultName = 'app:clean-temp';

    protected function configure()
    {
        $this
            ->setDescription('Clears out the temporary files folder.');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $unlinked = 0;

        foreach (glob("storage/tmp/*.*") as $file) {
            unlink($file);
            $unlinked++;
        }

        $output->writeln("\nUnlinked {$unlinked} files.");
    }
}