Symfony Process Component - Set Input Argument for command

Question

I need to run a command asynchronously. To do this, I'm trying to use Process Component.

The command I'm trying to start is calling a function that needs somes parameters. These parameters are given by Controller that launches the Process.

Problem is I don't know how to pass parameters to my command with Process Component.

Command :

protected function configure()
{
    $this
        ->setName('generationpdf:classement')
        ->setDescription('Génère le PDF d\'un classement.');
}

protected function execute(InputInterface $input, OutputInterface $output)
{
    ini_set('memory_limit','4000M');
    $pdf = $this->imprimerAction();
    $this->sendClassement($pdf);
    $output->writeln('PDF envoyé.');
}

Controller :

        $command = new PDFClassementCommand();
        $input = new ArrayInput(array('id' => $id, 'errata' => $errata, 'precision' => $precision, 'group' => $group, 'logoAnnee' => $logoAnnee));
        $output = new NullOutput();

        $process = new Process($command);
        $process->disableOutput();
        $process->start();

Parameters I need to use are in ArrayInput but Process doesn't take array argument.

Community · Accepted Answer · 2017-05-23 11:53:58Z

2

The process is expecting first argument to be string.

Example:

$process = new Process('ls');

To run command you will need to execute symfony console command

$process = new Process('/var/www/my-project/bin/console generationpdf:classement')

You don't have to hardcode the path, see how-to-get-the-root-dir.

You can pass parameters normally, like running command from cli

$process = new Process('/var/www/my-project/bin/console generationpdf:classement --id=5 --errata=someValue')

edited May 23, 2017 at 11:53

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answered Aug 18, 2016 at 5:52

po_taka

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6 Comments

Kristen Joseph-Delaffon Over a year ago

I did what you said and my command is running as intended in terminal. I tried with Process but it doesn't work. $rootDir = $this->get('kernel')->getRootDir();

$process = new Process('php '.$rootDir.'/bin/console generationpdf:classement '.$id.' '.$group.' '.$logoAnnee.' '.$errata.' '.$precision.'');

$process->start(); Process is started but is not successful.

Kristen Joseph-Delaffon Over a year ago

$process->run() is working but it doesn't execute command in background.

po_taka Over a year ago

Could you wait the process to finish, using start() and then check the output and error output. There should be error output for failed process, right ? See docs for implementation.

Kristen Joseph-Delaffon Over a year ago

I've just seen in logs these lines :

[2016-08-18 19:45:50] php.DEBUG: unlink(C:\WINDOWS\TEMP\sf_proc_00.out): Permission denied {"type":2,"file":"\\vendor\\symfony\\symfony\\src\\Symfony\\Component\\Process\\Pipes\\WindowsPipes.php","line":190,"level":28928} []

[2016-08-18 19:45:50] php.DEBUG: unlink(C:\WINDOWS\TEMP\sf_proc_00.err): Permission denied {"type":2,"file":"\\vendor\\symfony\\symfony\\src\\Symfony\\Component\\Process\\Pipes\\WindowsPipes.php","line":190,"level":28928} []

Kristen Joseph-Delaffon Over a year ago

When I add these lines : $process->start(); $process->wait() It's also working but it's blocking main process. Look like it doesn't want to get to background due to some permission but I don't know how to solve this.

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