How to Call Other Commands

If a command depends on another one being run before it you can call in the console command itself. This is useful if a command depends on another command or if you want to create a "meta" command that runs a bunch of other commands (for instance, all commands that need to be run when the project's code has changed on the production servers: clearing the cache, generating Doctrine proxies, dumping web assets, ...).

Use the find() method to find the command you want to run by passing the command name. Then, create a new ArrayInput with the arguments and options you want to pass to the command.

Eventually, calling the run() method actually runs the command and returns the returned code from the command (return value from command's execute() method):

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// ...
use Symfony\Component\Console\Command;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

class CreateUserCommand extends Command
{
    // ...

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $command = $this->getApplication()->find('demo:greet');

        $arguments = [
            'name'    => 'Fabien',
            '--yell'  => true,
        ];

        $greetInput = new ArrayInput($arguments);
        $returnCode = $command->run($greetInput, $output);

        // ...
    }
}