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[READ-ONLY] Subtree split of the Symfony Process Component -- clone into Symfony/Component/ (master at symfony/symfony)
PHP

Merge branch '2.7'

* 2.7: (55 commits)
  CS: fix some license headers
  CS: Ensure there is no code on the same line as the PHP open tag and it is followed by a blankline
  Improve triggering of the deprecation error
  [SecurityBundle] Fix typos in LogoutUrlHelper
  [VarDumper] add caster for MongoCursor objects
  make it possible to dump inlined services to XML
  [VarDumper] Fixed notice when Exchange is mocked
  [Translation] keep old array structure of resourcesFiles to avoid BC.
  removed deprecated notices that make the tests fail
  use visited lookup with reference to gain performance
  [VarDumper] with-er interface for Cloner\Data
  Replace GET parameters when changed
  tweaked phpdocs
  [Process] Fix outdated Process->start() docblock
  prevent inlining service configurators
  Improve entropy of generated salt
  Complete the removal of API versions in the validator component
  [Validator] deprecated API version
  Removed 2.5 bc layer
  [SecurityBundle] UserPasswordEncoderCommand: fix help arguments order.
  ...

Conflicts:
	CHANGELOG-2.3.md
	CHANGELOG-2.6.md
	src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php
	src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
	src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/FormHelperDivLayoutTest.php
	src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/FormHelperTableLayoutTest.php
	src/Symfony/Bundle/FrameworkBundle/composer.json
	src/Symfony/Bundle/SecurityBundle/composer.json
	src/Symfony/Component/Console/Helper/DialogHelper.php
	src/Symfony/Component/Console/Tests/Helper/LegacyTableHelperTest.php
	src/Symfony/Component/Form/ResolvedFormType.php
	src/Symfony/Component/Routing/Matcher/Dumper/ApacheMatcherDumper.php
latest commit 7617a9663b
@fabpot fabpot authored

README.md

Process Component

Process executes commands in sub-processes.

In this example, we run a simple directory listing and get the result back:

use Symfony\Component\Process\Process;

$process = new Process('ls -lsa');
$process->setTimeout(3600);
$process->run();
if (!$process->isSuccessful()) {
    throw new RuntimeException($process->getErrorOutput());
}

print $process->getOutput();

You can think that this is easy to achieve with plain PHP but it's not especially if you want to take care of the subtle differences between the different platforms.

And if you want to be able to get some feedback in real-time, just pass an anonymous function to the run() method and you will get the output buffer as it becomes available:

use Symfony\Component\Process\Process;

$process = new Process('ls -lsa');
$process->run(function ($type, $buffer) {
    if (Process::ERR === $type) {
        echo 'ERR > '.$buffer;
    } else {
        echo 'OUT > '.$buffer;
    }
});

That's great if you want to execute a long running command (like rsync-ing files to a remote server) and give feedback to the user in real-time.

Resources

You can run the unit tests with the following command:

$ cd path/to/Symfony/Component/Process/
$ composer install
$ phpunit
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