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[Process] allow writing "prepared" command line. #9295

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[Process] allow writing "prepared" command line. #9295

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12 changes: 12 additions & 0 deletions components/process.rst
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Expand Up @@ -410,6 +410,18 @@ Use :method:`Symfony\\Component\\Process\\Process::disableOutput` and

However, it is possible to pass a callback to the ``start``, ``run`` or ``mustRun``
methods to handle process output in a streaming fashion.

Using the prepared command lines
--------------------------------

This components also provides a way to use the process command with prepared using the double brackets notations:

use Symfony\Component\Process\Process;

$process = new Process('/usr/bin/php {{ phpFile }}');
$process->run(null, array('phpFile' => 'worker.php'));

Which means that you can use placeholder in order to have a process that can be changed only with the values and without changing the php code.
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it should be noted whether the user of this api is still responsible to escape the passed in data or whether the console component will take care of escaping (e.g. > character or similar)


Finding the Executable PHP Binary
---------------------------------
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