ModuleTestCompilerPass.php

<?php

declare (strict_types=1);
namespace Drupal\module_test;

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;

/**
 * Counts the number of times this compiler pass runs.
 */
class ModuleTestCompilerPass implements CompilerPassInterface {
    
    /**
     * {@inheritdoc}
     */
    public function process(ContainerBuilder $container) : void {
        if (!isset($GLOBALS['container_rebuilt'])) {
            $GLOBALS['container_rebuilt'] = 1;
        }
        else {
            $GLOBALS['container_rebuilt']++;
        }
    }

}