How to start firefox with specified profile using php-webdriver and selenium?

Question

PHP

Kind time of the day, help me figure out the issue, I myself can not. You need to run a unit test using the stack:

• phpunit (PHP 7.0.8)
  
• selenium-server-standalone-2.53.1
  
• php webdriver
  
• OS: Ubuntu Server
  
• Firefox 47.0.0.1
  

The essence of the problem: when selen is run, it creates a new profile for the user every time when using Firefox. The task is to start firefox with a pre-prepared profile that is in the directory, I want to note the fact that using -firefoxProfileTemplate ( the key to start selen ) is not suitable. I need to load different profiles with each new test... (restarting selen every time with the right key is stupid and not rational)
I use this simple code for the test

<?php
$host = 'http://localhost:4444/wd/hub';
$capabilities = DesiredCapabilities::firefox();
$profile = new \Facebook\WebDriver\Firefox\FirefoxProfile();
$profile->setPreference('network.proxy.socks_remote_dns', false);
$capabilities->setCapability(\Facebook\WebDriver\Firefox\FirefoxDriver::PROFILE, $profile);
$capabilities->setCapability(
    'proxy',
    [
        'proxyType' => 'manual',
        'httpProxy' => '127.0.0.1', // proxy for http
        'sslProxy' => '127.0.0.1', // proxy for https
    ]
);
$driver = RemoteWebDriver::create($host, $capabilities, 5000,120000);
?>

I was on the resources: here , here but I still don’t understand how to start firefox with a different profile, I ask dear members of the forum to help me with this task.