platform-redeploy-cron.php

<?php
require 'vendor/autoload.php';
use Platformsh\Client\PlatformClient;
if (!empty($_ENV['PLATFORM_ENVIRONMENT'])) {
  $env_variables = json_decode(base64_decode($_ENV['PLATFORM_VARIABLES']));
  $client = new PlatformClient();
  $token = $env_variables->deploy_token;
  $client->getConnector()->setApiToken($token, 'exchange');
  $projects = $client->getProjects();
  if ($projects) {
    $project = reset($projects);
    foreach ($project->getEnvironments() as $environment) {
      if ($environment->machine_name === $_ENV['PLATFORM_ENVIRONMENT']) {
        if ((bool) $environment->getVariable('re_deploy')->value === FALSE) {
          $environment->setVariable('re_deploy', 'TRUE');
        }
        else {
          $environment->setVariable('re_deploy', 'FALSE');
        }
      }
    }
  }
}