Command to Debug parsed env vars

AppDebugEnvvarCommand.php

<?php

namespace App\Command;

use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

class AppDebugEnvvarCommand extends ContainerAwareCommand
{
    protected static $defaultName = 'app:debug:envvar';


    protected function configure()
    {
        $this
            ->setDescription('Add a short description for your command')
            ->addArgument('parameter', InputArgument::REQUIRED, 'configures parameter');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $io = new SymfonyStyle($input, $output);
        $parameter = $input->getArgument('parameter');


        $io->note(sprintf('You passed an argument: %s', $parameter));

        try {
            $value = $this->getContainer()->getParameter($parameter);
        } catch (\Exception $e) {
            $value = '';
        }

        if (empty($value)) {
            $io->error('parameter: ' . $parameter . ' not found');
            return 1;
        }
        $io->success('parameter: ' . $parameter . ' has value: \'' . $value . '\'' . ' and is of type: ' . gettype($value));
        return 0;
    }
}