Stackoverflow: 79660352

CommandController.php

<?php

namespace App\Controller;

use Symfony\Bundle\FrameworkBundle\Console\Application;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\BufferedOutput;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\KernelInterface;
use Symfony\Component\Routing\Annotation\Route;

class CommandController
{
    #[Route('/secret/run-command')]
    public function runCommand(KernelInterface $kernel): Response
    {
        $application = new Application($kernel);
        $application->setAutoExit(false);

        $input = new ArrayInput([
            'command' => 'cache:clear',
            // pass arguments and options
            // '--env' => 'prod',
        ]);

        $output = new BufferedOutput();
        $application->run($input, $output);

        $content = $output->fetch();

        return new Response($content);
    }
}