Symfony
sponsored by SensioLabs
Menu
  • About
  • Documentation
  • Screencasts
  • Cloud
  • Certification
  • Community
  • Businesses
  • News
  • Download
  1. Home
  2. Documentation
  3. Components
  4. Console
  5. Helpers
  6. Process Helper
  • Documentation
  • Book
  • Reference
  • Bundles
  • Cloud
Search by Algolia

Table of Contents

  • Arguments
  • Customized Display

Process Helper

Edit this page

Warning: You are browsing the documentation for Symfony 2.7, which is no longer maintained.

Read the updated version of this page for Symfony 6.2 (the current stable version).

Process Helper

2.6

The Process Helper was introduced in Symfony 2.6.

The Process Helper shows processes as they're running and reports useful information about process status.

To display process details, use the ProcessHelper and run your command with verbosity. For example, running the following code with a very verbose verbosity (e.g. -vv):

1
2
3
4
5
6
use Symfony\Component\Process\ProcessBuilder;

$helper = $this->getHelper('process');
$process = ProcessBuilder::create(array('figlet', 'Symfony'))->getProcess();

$helper->run($output, $process);

will result in this output:

It will result in more detailed output with debug verbosity (e.g. -vvv):

In case the process fails, debugging is easier:

Arguments

There are three ways to use the process helper:

  • Using a command line string:

    1
    2
    // ...
    $helper->run($output, 'figlet Symfony');
  • An array of arguments:

    1
    2
    // ...
    $helper->run($output, array('figlet', 'Symfony'));

    Note

    When running the helper against an array of arguments, be aware that these will be automatically escaped.

  • Passing a Process instance:

    1
    2
    3
    4
    5
    6
    use Symfony\Component\Process\ProcessBuilder;
    
    // ...
    $process = ProcessBuilder::create(array('figlet', 'Symfony'))->getProcess();
    
    $helper->run($output, $process);

Customized Display

You can display a customized error message using the third argument of the run() method:

1
$helper->run($output, $process, 'The process failed :(');

A custom process callback can be passed as the fourth argument. Refer to the Process Component for callback documentation:

1
2
3
4
5
6
7
8
9
use Symfony\Component\Process\Process;

$helper->run($output, $process, 'The process failed :(', function ($type, $data) {
    if (Process::ERR === $type) {
        // ... do something with the stderr output
    } else {
        // ... do something with the stdout
    }
});
This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.
We stand with Ukraine.
Version:
Measure & Improve Symfony Code Performance

Measure & Improve Symfony Code Performance

Check Code Performance in Dev, Test, Staging & Production

Check Code Performance in Dev, Test, Staging & Production

↓ Our footer now uses the colors of the Ukrainian flag because Symfony stands with the people of Ukraine.

Avatar of Claude Ramseyer, a Symfony contributor

Thanks Claude Ramseyer (@phenix789) for being a Symfony contributor

1 commit • 16 lines changed

View all contributors that help us make Symfony

Become a Symfony contributor

Be an active part of the community and contribute ideas, code and bug fixes. Both experts and newcomers are welcome.

Learn how to contribute

Symfony™ is a trademark of Symfony SAS. All rights reserved.

  • What is Symfony?
    • Symfony at a Glance
    • Symfony Components
    • Case Studies
    • Symfony Releases
    • Security Policy
    • Logo & Screenshots
    • Trademark & Licenses
    • symfony1 Legacy
  • Learn Symfony
    • Symfony Docs
    • Symfony Book
    • Reference
    • Bundles
    • Best Practices
    • Training
    • eLearning Platform
    • Certification
  • Screencasts
    • Learn Symfony
    • Learn PHP
    • Learn JavaScript
    • Learn Drupal
    • Learn RESTful APIs
  • Community
    • SymfonyConnect
    • Support
    • How to be Involved
    • Code of Conduct
    • Events & Meetups
    • Projects using Symfony
    • Downloads Stats
    • Contributors
    • Backers
  • Blog
    • Events & Meetups
    • A week of symfony
    • Case studies
    • Cloud
    • Community
    • Conferences
    • Diversity
    • Documentation
    • Living on the edge
    • Releases
    • Security Advisories
    • SymfonyInsight
    • Twig
    • SensioLabs
  • Services
    • SensioLabs services
    • Train developers
    • Manage your project quality
    • Improve your project performance
    • Host Symfony projects
    Deployed on
Follow Symfony
Search by Algolia