Issue
How can I run a simple Linux command in a Symfony command?
E.g. I want to run ssh [email protected] -p port at the end of the command…
I’ve tried:
$input = new StringInput('ssh [email protected] -p port');
$this->getApplication()->run($input, $output);
But that throws the following exception: `The “-p” option does not exist.“
It seems to be executed in the same “context” of my Symfony command.
Solution
How can I run a simple Linux command in a Symfony command?
First of all, try to execute a simple/plain command (ls) to see what happens, then move on to your special command.
http://symfony.com/doc/current/components/process.html
CODE:
use Symfony\Component\Process\Process;
use Symfony\Component\Process\Exception\ProcessFailedException;
$process = new Process('ls -lsa');
$process->run();
// executes after the command finishes
if (!$process->isSuccessful()) {
throw new ProcessFailedException($process);
}
echo $process->getOutput();
RESULT:
total 36
4 drwxrwxr-x 4 me me 4096 Jun 13 2016 .
4 drwxrwxr-x 16 me me 4096 Mar 2 09:45 ..
4 -rw-rw-r-- 1 me me 2617 Feb 19 2015 .htaccess
4 -rw-rw-r-- 1 me me 1203 Jun 13 2016 app.php
4 -rw-rw-r-- 1 me me 1240 Jun 13 2016 app_dev.php
4 -rw-rw-r-- 1 me me 1229 Jun 13 2016 app_test.php
4 drwxrwxr-x 2 me me 4096 Mar 2 17:05 bundles
4 drwxrwxr-x 2 me me 4096 Jul 24 2015 css
4 -rw-rw-r-- 1 me me 106 Feb 19 2015 robots.txt
As you can see above, if you put the piece of code in one of your controllers for testing purposes, ls -lsa lists files/folders stored under web folder!!!
You can just do shell_exec('ls -lsa'); as well which is what I sometimes do. e.g. shell_exec('git ls-remote url-to-my-git-project-repo master');
Answered By – BentCoder
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