31($this->config_php_file->get('dbms'));
				/** @var \phpbb\db\driver\driver_interface $dbal_connection */
				$this->dbal_connection = new $dbal_driver_class();
				$this->dbal_connection->sql_connect(
					$this->config_php_file->get('dbhost'),
					$this->config_php_file->get('dbuser'),
					$this->config_php_file->get('dbpasswd'),
					$this->config_php_file->get('dbname'),
					$this->config_php_file->get('dbport'),
					false,
					defined('PHPBB_DB_NEW_LINK') && PHPBB_DB_NEW_LINK
				);
			}
			$this->container->set('dbal.conn.driver', $this->dbal_connection);
		}
	}

	/**
	 * Returns the core parameters.
	 *
	 * @return array An array of core parameters
	 */
	protected function get_core_parameters()
	{
		return array_merge(
			array(
				'core.root_path'     => $this->phpbb_root_path,
				'core.php_ext'       => $this->php_ext,
				'core.environment'   => $this->get_environment(),
				'core.debug'         => defined('DEBUG') ? DEBUG : false,
				'core.cache_dir'     => $this->get_cache_dir(),
			),
			$this->get_env_parameters()
		);
	}

	/**
	 * Gets the environment parameters.
	 *
	 * Only the parameters starting with "PHPBB__" are considered.
	 *
	 * @return array An array of parameters
	 */
	protected function get_env_parameters()
	{
		$parameters = array();
		foreach ($_SERVER as $key => $value)
		{
			if (0 === strpos($key, 'PHPBB__'))
			{
				$parameters[strtolower(str_replace('__', '.', substr($key, 9)))] = $value;
			}
		}

		return $parameters;
	}

	/**
	 * Get the filename under which the dumped container will be stored.
	 *
	 * @return string Path for dumped container
	 */
	protected function get_container_filename()
	{
		$container_params = [
			'phpbb_root_path' => $this->phpbb_root_path,
			'use_extensions' => $this->use_extensions,
			'config_path' => $this->config_path,
		];

		return $this->get_cache_dir() . 'container_' . md5(implode(',', $container_params)) . '.' . $this->php_ext;
	}

	/**
	 * Get the filename under which the dumped extensions autoloader will be stored.
	 *
	 * @return string Path for dumped extensions autoloader
	 */
	protected function get_autoload_filename()
	{
		$container_params = [
			'phpbb_root_path' => $this->phpbb_root_path,
			'use_extensions' => $this->use_extensions,
			'config_path' => $this->config_path,
		];

		return $this->get_cache_dir() . 'autoload_' . md5(implode(',', $container_params)) . '.' . $this->php_ext;
	}

	/**
	 * Return the name of the current environment.
	 *
	 * @return string
	 */
	protected function get_environment()
	{
		return $this->environment ?: PHPBB_ENVIRONMENT;
	}

	private function register_ext_compiler_pass()
	{
		$finder = new Finder();
		$finder
			->name('*_pass.php')
			->path('di/pass')
			->files()
			->ignoreDotFiles(true)
			->ignoreUnreadableDirs(true)
			->ignoreVCS(true)
			->followLinks()
			->in($this->phpbb_root_path . 'ext')
		;

		/** @var \SplFileInfo $pass */
		foreach ($finder as $pass)
		{
			$filename = $pass->getPathname();
			$filename = substr($filename, 0, -strlen('.' . $pass->getExtension()));
			$filename = str_replace(DIRECTORY_SEPARATOR, '/', $filename);
			$className = preg_replace('#^.*ext/#', '', $filename);
			$className = '\\' . str_replace('/', '\\', $className);

			if (class_exists($className) && in_array('Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface', class_implements($className), true))
			{
				$this->container->addCompilerPass(new $className());
			}
		}
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'phpbb\di\container_builder' not found in /home/acumstiu/gpszone.ro/common.php:114
Stack trace:
#0 /home/acumstiu/gpszone.ro/viewforum.php(20): include()
#1 {main}
  thrown in <b>/home/acumstiu/gpszone.ro/common.php</b> on line <b>114</b><br />