# after applying patch run `composer install` command
# try installing In-Portal on PHP < 5.3.9
# confirm, that it's not possible due error on `System Requirements` step
# try installing In-Portal on PHP >= 5.3.9
# confirm, that it's possible
# create new tag in any unit with following code:
```
lang=php
/** @var \ProcessHelper $process_helper */
$process_helper = $this->Application->recallObject('ProcessHelper');
$process = $process_helper->getProcess('ls -la');
$process->run();
$output = $process->getOutput();
```
# confirm, that `$output` variable contains output of the process