protected function execute(InputInterface $input, OutputInterface $output)
{
$procApp = $input->getArgument('procApp');
$procCall = $input->getArgument('procCall');
$procArgs = $input->getArgument('processArgs');
$cmd = 'php ' . $procApp . ' ' . $procCall . ' ' . implode(' ', $procArgs);
$process = new Process($cmd);
$process->start();
echo 'PID: ' . $process->getPid() . "\n";
}