Augmentation vers version 3.3.0

install/update/new/phpbb/di/container_builder.php

@@ -0,0 +1,678 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\di;
+
+use phpbb\filesystem\filesystem;
+use Symfony\Bridge\ProxyManager\LazyProxy\PhpDumper\ProxyDumper;
+use Symfony\Component\Config\ConfigCache;
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Dumper\PhpDumper;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
+use Symfony\Component\EventDispatcher\DependencyInjection\RegisterListenersPass;
+use Symfony\Component\Filesystem\Exception\IOException;
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass;
+
+class container_builder
+{
+	/**
+	 * @var string The environment to use.
+	 */
+	protected $environment;
+
+	/**
+	 * @var string phpBB Root Path
+	 */
+	protected $phpbb_root_path;
+
+	/**
+	 * @var string php file extension
+	 */
+	protected $php_ext;
+
+	/**
+	 * The container under construction
+	 *
+	 * @var ContainerBuilder
+	 */
+	protected $container;
+
+	/**
+	 * @var \phpbb\db\driver\driver_interface
+	 */
+	protected $dbal_connection = null;
+
+	/**
+	 * Indicates whether extensions should be used (default to true).
+	 *
+	 * @var bool
+	 */
+	protected $use_extensions = true;
+
+	/**
+	 * Defines a custom path to find the configuration of the container (default to $this->phpbb_root_path . 'config')
+	 *
+	 * @var string
+	 */
+	protected $config_path = null;
+
+	/**
+	 * Indicates whether the container should be dumped to the filesystem (default to true).
+	 *
+	 * If DEBUG_CONTAINER is set this option is ignored and a new container is build.
+	 *
+	 * @var bool
+	 */
+	protected $use_cache = true;
+
+	/**
+	 * Indicates if the container should be compiled automatically (default to true).
+	 *
+	 * @var bool
+	 */
+	protected $compile_container = true;
+
+	/**
+	 * Custom parameters to inject into the container.
+	 *
+	 * Default to:
+	 * 	array(
+	 * 		'core.root_path', $this->phpbb_root_path,
+	 * 		'core.php_ext', $this->php_ext,
+	 * );
+	 *
+	 * @var array
+	 */
+	protected $custom_parameters = [];
+
+	/**
+	 * @var \phpbb\config_php_file
+	 */
+	protected $config_php_file;
+
+	/**
+	 * @var string
+	 */
+	protected $cache_dir;
+
+	/**
+	 * @var array
+	 */
+	private $container_extensions;
+
+	/** @var \Exception */
+	private $build_exception;
+
+	/**
+	 * Constructor
+	 *
+	 * @param string $phpbb_root_path Path to the phpbb includes directory.
+	 * @param string $php_ext php file extension
+	 */
+	public function __construct($phpbb_root_path, $php_ext)
+	{
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+	}
+
+	/**
+	 * Build and return a new Container respecting the current configuration
+	 *
+	 * @return \phpbb_cache_container|ContainerBuilder
+	 */
+	public function get_container()
+	{
+		try
+		{
+			$container_filename = $this->get_container_filename();
+			$config_cache = new ConfigCache($container_filename, defined('DEBUG'));
+			if ($this->use_cache && $config_cache->isFresh())
+			{
+				if ($this->use_extensions)
+				{
+					$autoload_cache = new ConfigCache($this->get_autoload_filename(), defined('DEBUG'));
+					if (!$autoload_cache->isFresh())
+					{
+						// autoload cache should be refreshed
+						$this->load_extensions();
+					}
+
+					require($this->get_autoload_filename());
+				}
+
+				require($config_cache->getPath());
+				$this->container = new \phpbb_cache_container();
+			}
+			else
+			{
+				$this->container_extensions = [
+					new extension\core($this->get_config_path()),
+				];
+
+				if ($this->use_extensions)
+				{
+					$this->load_extensions();
+				}
+
+				// Add tables extension after all extensions
+				$this->container_extensions[] = new extension\tables();
+
+				// Inject the config
+				if ($this->config_php_file)
+				{
+					$this->container_extensions[] = new extension\config($this->config_php_file);
+				}
+
+				$this->container = $this->create_container($this->container_extensions);
+
+				// Easy collections through tags
+				$this->container->addCompilerPass(new pass\collection_pass());
+
+				// Event listeners "phpBB style"
+				$this->container->addCompilerPass(new RegisterListenersPass('dispatcher', 'event.listener_listener', 'event.listener'));
+
+				// Event listeners "Symfony style"
+				$this->container->addCompilerPass(new RegisterListenersPass('dispatcher'));
+
+				if ($this->use_extensions)
+				{
+					$this->register_ext_compiler_pass();
+				}
+
+				$filesystem = new filesystem();
+				$loader     = new YamlFileLoader($this->container, new FileLocator($filesystem->realpath($this->get_config_path())));
+				$loader->load($this->container->getParameter('core.environment') . '/config.yml');
+
+				$this->inject_custom_parameters();
+
+				if ($this->compile_container)
+				{
+					$this->container->compile();
+
+					if ($this->use_cache)
+					{
+						$this->dump_container($config_cache);
+					}
+				}
+			}
+
+			if ($this->compile_container && $this->config_php_file)
+			{
+				$this->container->set('config.php', $this->config_php_file);
+			}
+
+			$this->inject_dbal_driver();
+
+			return $this->container;
+		}
+		catch (\Exception $e)
+		{
+			// Don't try to recover if we are in the development environment
+			if ($this->get_environment() === 'development')
+			{
+				throw $e;
+			}
+
+			if ($this->build_exception === null)
+			{
+				$this->build_exception = $e;
+
+				return $this
+					->without_extensions()
+					->without_cache()
+					->with_custom_parameters(array_merge($this->custom_parameters, [
+						'container_exception' => $e,
+					]))
+					->get_container();
+			}
+			else
+			{
+				// Rethrow the original exception if it's still failing
+				throw $this->build_exception;
+			}
+		}
+	}
+
+	/**
+	 * Enable the extensions.
+	 *
+	 * @param string $environment The environment to use
+	 * @return $this
+	 */
+	public function with_environment($environment)
+	{
+		$this->environment = $environment;
+
+		return $this;
+	}
+
+	/**
+	 * Enable the extensions.
+	 *
+	 * @return $this
+	 */
+	public function with_extensions()
+	{
+		$this->use_extensions = true;
+
+		return $this;
+	}
+
+	/**
+	 * Disable the extensions.
+	 *
+	 * @return $this
+	 */
+	public function without_extensions()
+	{
+		$this->use_extensions = false;
+
+		return $this;
+	}
+
+	/**
+	 * Enable the caching of the container.
+	 *
+	 * If DEBUG_CONTAINER is set this option is ignored and a new container is build.
+	 *
+	 * @return $this
+	 */
+	public function with_cache()
+	{
+		$this->use_cache = true;
+
+		return $this;
+	}
+
+	/**
+	 * Disable the caching of the container.
+	 *
+	 * @return $this
+	 */
+	public function without_cache()
+	{
+		$this->use_cache = false;
+
+		return $this;
+	}
+
+	/**
+	 * Set the cache directory.
+	 *
+	 * @param string $cache_dir The cache directory.
+	 * @return $this
+	 */
+	public function with_cache_dir($cache_dir)
+	{
+		$this->cache_dir = $cache_dir;
+
+		return $this;
+	}
+
+	/**
+	 * Enable the compilation of the container.
+	 *
+	 * @return $this
+	 */
+	public function with_compiled_container()
+	{
+		$this->compile_container = true;
+
+		return $this;
+	}
+
+	/**
+	 * Disable the compilation of the container.
+	 *
+	 * @return $this
+	 */
+	public function without_compiled_container()
+	{
+		$this->compile_container = false;
+
+		return $this;
+	}
+
+	/**
+	 * Set a custom path to find the configuration of the container.
+	 *
+	 * @param string $config_path
+	 * @return $this
+	 */
+	public function with_config_path($config_path)
+	{
+		$this->config_path = $config_path;
+
+		return $this;
+	}
+
+	/**
+	 * Set custom parameters to inject into the container.
+	 *
+	 * @param array $custom_parameters
+	 * @return $this
+	 */
+	public function with_custom_parameters($custom_parameters)
+	{
+		$this->custom_parameters = $custom_parameters;
+
+		return $this;
+	}
+
+	/**
+	 * Set custom parameters to inject into the container.
+	 *
+	 * @param \phpbb\config_php_file $config_php_file
+	 * @return $this
+	 */
+	public function with_config(\phpbb\config_php_file $config_php_file)
+	{
+		$this->config_php_file = $config_php_file;
+
+		return $this;
+	}
+
+	/**
+	 * Returns the path to the container configuration (default: root_path/config)
+	 *
+	 * @return string
+	 */
+	protected function get_config_path()
+	{
+		return $this->config_path ?: $this->phpbb_root_path . 'config';
+	}
+
+	/**
+	 * Returns the path to the cache directory (default: root_path/cache/environment).
+	 *
+	 * @return string Path to the cache directory.
+	 */
+	protected function get_cache_dir()
+	{
+		return $this->cache_dir ?: $this->phpbb_root_path . 'cache/' . $this->get_environment() . '/';
+	}
+
+	/**
+	 * Load the enabled extensions.
+	 */
+	protected function load_extensions()
+	{
+		if ($this->config_php_file !== null)
+		{
+			// Build an intermediate container to load the ext list from the database
+			$container_builder = new container_builder($this->phpbb_root_path, $this->php_ext);
+			$ext_container = $container_builder
+				->without_cache()
+				->without_extensions()
+				->with_config($this->config_php_file)
+				->with_config_path($this->get_config_path())
+				->with_environment('production')
+				->without_compiled_container()
+				->get_container()
+			;
+
+			$ext_container->register('cache.driver', '\\phpbb\\cache\\driver\\dummy');
+			$ext_container->compile();
+
+			$extensions = $ext_container->get('ext.manager')->all_enabled();
+
+			// Load each extension found
+			$autoloaders = '<?php
+/**
+ * Loads all extensions custom auto-loaders.
+ *
+ * This file has been auto-generated
+ * by phpBB while loading the extensions.
+ */
+
+';
+			foreach ($extensions as $ext_name => $path)
+			{
+				$extension_class = '\\' . str_replace('/', '\\', $ext_name) . '\\di\\extension';
+
+				if (!class_exists($extension_class))
+				{
+					$extension_class = '\\phpbb\\extension\\di\\extension_base';
+				}
+
+				$this->container_extensions[] = new $extension_class($ext_name, $path);
+
+				// Load extension autoloader
+				$filename = $path . 'vendor/autoload.php';
+				if (file_exists($filename))
+				{
+					$autoloaders .= "require('{$filename}');\n";
+				}
+			}
+
+			$configCache = new ConfigCache($this->get_autoload_filename(), false);
+			$configCache->write($autoloaders);
+
+			require($this->get_autoload_filename());
+		}
+		else
+		{
+			// To load the extensions we need the database credentials.
+			// Automatically disable the extensions if we don't have them.
+			$this->use_extensions = false;
+		}
+	}
+
+	/**
+	 * Dump the container to the disk.
+	 *
+	 * @param ConfigCache $cache The config cache
+	 */
+	protected function dump_container($cache)
+	{
+		try
+		{
+			$dumper = new PhpDumper($this->container);
+			$proxy_dumper = new ProxyDumper();
+			$dumper->setProxyDumper($proxy_dumper);
+
+			$cached_container_dump = $dumper->dump(array(
+				'class'      => 'phpbb_cache_container',
+				'base_class' => 'Symfony\\Component\\DependencyInjection\\Container',
+			));
+
+			$cache->write($cached_container_dump, $this->container->getResources());
+		}
+		catch (IOException $e)
+		{
+			// Don't fail if the cache isn't writeable
+		}
+	}
+
+	/**
+	 * Create the ContainerBuilder object
+	 *
+	 * @param array $extensions Array of Container extension objects
+	 * @return ContainerBuilder object
+	 */
+	protected function create_container(array $extensions)
+	{
+		$container = new ContainerBuilder(new ParameterBag($this->get_core_parameters()));
+		$container->setProxyInstantiator(new proxy_instantiator($this->get_cache_dir()));
+
+		$extensions_alias = array();
+
+		foreach ($extensions as $extension)
+		{
+			$container->registerExtension($extension);
+			$extensions_alias[] = $extension->getAlias();
+		}
+
+		$container->getCompilerPassConfig()->setMergePass(new MergeExtensionConfigurationPass($extensions_alias));
+
+		return $container;
+	}
+
+	/**
+	 * Inject the customs parameters into the container
+	 */
+	protected function inject_custom_parameters()
+	{
+		foreach ($this->custom_parameters as $key => $value)
+		{
+			$this->container->setParameter($key, $value);
+		}
+	}
+
+	/**
+	 * Inject the dbal connection driver into container
+	 */
+	protected function inject_dbal_driver()
+	{
+		if (empty($this->config_php_file))
+		{
+			return;
+		}
+
+		$config_data = $this->config_php_file->get_all();
+		if (!empty($config_data))
+		{
+			if ($this->dbal_connection === null)
+			{
+				$dbal_driver_class = $this->config_php_file->convert_30_dbms_to_31($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());
+			}
+		}
+	}
+}

install/update/new/phpbb/di/extension/container_configuration.php

@@ -0,0 +1,63 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\di\extension;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+class container_configuration implements ConfigurationInterface
+{
+
+	/**
+	 * Generates the configuration tree builder.
+	 *
+	 * @return \Symfony\Component\Config\Definition\Builder\TreeBuilder The tree builder
+	 */
+	public function getConfigTreeBuilder()
+	{
+		$treeBuilder = new TreeBuilder();
+		$rootNode = $treeBuilder->root('core');
+		$rootNode
+			->children()
+				->booleanNode('require_dev_dependencies')->defaultValue(false)->end()
+				->booleanNode('allow_install_dir')->defaultValue(false)->end()
+				->arrayNode('debug')
+					->addDefaultsIfNotSet()
+					->children()
+						->booleanNode('exceptions')->defaultValue(false)->end()
+						->booleanNode('load_time')->defaultValue(false)->end()
+						->booleanNode('sql_explain')->defaultValue(false)->end()
+						->booleanNode('memory')->defaultValue(false)->end()
+						->booleanNode('show_errors')->defaultValue(false)->end()
+					->end()
+				->end()
+				->arrayNode('twig')
+					->addDefaultsIfNotSet()
+					->children()
+						->booleanNode('debug')->defaultValue(null)->end()
+						->booleanNode('auto_reload')->defaultValue(null)->end()
+						->booleanNode('enable_debug_extension')->defaultValue(false)->end()
+					->end()
+				->end()
+				->arrayNode('session')
+					->addDefaultsIfNotSet()
+					->children()
+						->booleanNode('log_errors')->defaultValue(false)->end()
+					->end()
+				->end()
+			->end()
+		;
+		return $treeBuilder;
+	}
+}

install/update/new/phpbb/di/extension/core.php

@@ -0,0 +1,132 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\di\extension;
+
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+
+/**
+* Container core extension
+*/
+class core extends Extension
+{
+	const TWIG_OPTIONS_POSITION = 7;
+
+	/**
+	 * Config path
+	 * @var string
+	 */
+	protected $config_path;
+
+	/**
+	 * Constructor
+	 *
+	 * @param string $config_path Config path
+	 */
+	public function __construct($config_path)
+	{
+		$this->config_path = $config_path;
+	}
+
+	/**
+	 * Loads a specific configuration.
+	 *
+	 * @param array            $configs   An array of configuration values
+	 * @param ContainerBuilder $container A ContainerBuilder instance
+	 *
+	 * @throws \InvalidArgumentException When provided tag is not defined in this extension
+	 */
+	public function load(array $configs, ContainerBuilder $container)
+	{
+		$filesystem = new \phpbb\filesystem\filesystem();
+		$loader = new YamlFileLoader($container, new FileLocator($filesystem->realpath($this->config_path)));
+		$loader->load($container->getParameter('core.environment') . '/container/environment.yml');
+
+		$config = $this->getConfiguration($configs, $container);
+		$config = $this->processConfiguration($config, $configs);
+
+		if ($config['require_dev_dependencies'])
+		{
+			if (!class_exists('Goutte\Client', true))
+			{
+				trigger_error(
+					'Composer development dependencies have not been set up for the ' . $container->getParameter('core.environment') . ' environment yet, run ' .
+					"'php ../composer.phar install --dev' from the phpBB directory to do so.",
+					E_USER_ERROR
+				);
+			}
+		}
+
+		$container->setParameter('allow_install_dir', $config['allow_install_dir']);
+
+		// Set the Twig options if defined in the environment
+		$definition = $container->getDefinition('template.twig.environment');
+		$twig_environment_options = $definition->getArgument(static::TWIG_OPTIONS_POSITION);
+		if ($config['twig']['debug'])
+		{
+			$twig_environment_options['debug'] = true;
+		}
+		if ($config['twig']['auto_reload'])
+		{
+			$twig_environment_options['auto_reload'] = true;
+		}
+
+		// Replace the 7th argument, the options passed to the environment
+		$definition->replaceArgument(static::TWIG_OPTIONS_POSITION, $twig_environment_options);
+
+		if ($config['twig']['enable_debug_extension'])
+		{
+			$definition = $container->getDefinition('template.twig.extensions.debug');
+			$definition->addTag('twig.extension');
+		}
+
+		// Set the debug options
+		foreach ($config['debug'] as $name => $value)
+		{
+			$container->setParameter('debug.' . $name, $value);
+		}
+
+		// Set the log options
+		foreach ($config['session'] as $name => $value)
+		{
+			$container->setParameter('session.' . $name, $value);
+		}
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function getConfiguration(array $config, ContainerBuilder $container)
+	{
+		$r = new \ReflectionClass('\phpbb\di\extension\container_configuration');
+		$container->addResource(new FileResource($r->getFileName()));
+
+		return new container_configuration();
+	}
+
+	/**
+	 * Returns the recommended alias to use in XML.
+	 *
+	 * This alias is also the mandatory prefix to use when using YAML.
+	 *
+	 * @return string The alias
+	 */
+	public function getAlias()
+	{
+		return 'core';
+	}
+}

install/update/new/phpbb/di/extension/tables.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\di\extension;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+
+/**
+ * Container tables extension
+ */
+class tables extends Extension
+{
+	/**
+	 * {@inheritDoc}
+	 */
+	public function load(array $configs, ContainerBuilder $container)
+	{
+		// Tables is a reserved parameter and will be overwritten at all times
+		$tables = [];
+
+		// Add access via 'tables' parameter to acquire array with all tables
+		$parameterBag = $container->getParameterBag();
+		$parameters = $parameterBag->all();
+		foreach ($parameters as $parameter_name => $parameter_value)
+		{
+			if (!preg_match('/tables\.(.+)/', $parameter_name, $matches))
+			{
+				continue;
+			}
+
+			$tables[$matches[1]] = $parameter_value;
+		}
+
+		$container->setParameter('tables', $tables);
+	}
+
+	/**
+	 * Returns the recommended alias to use in XML.
+	 *
+	 * This alias is also the mandatory prefix to use when using YAML.
+	 *
+	 * @return string The alias
+	 */
+	public function getAlias()
+	{
+		return 'tables';
+	}
+}

install/update/new/phpbb/di/service_collection.php

@@ -0,0 +1,122 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\di;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+* Collection of services to be configured at container compile time.
+*/
+class service_collection extends \ArrayObject
+{
+	/**
+	* @var \Symfony\Component\DependencyInjection\ContainerInterface
+	*/
+	protected $container;
+
+	/**
+	* @var array
+	*/
+	protected $service_classes;
+
+	/**
+	* Constructor
+	*
+	* @param ContainerInterface $container Container object
+	*/
+	public function __construct(ContainerInterface $container)
+	{
+		$this->container = $container;
+		$this->service_classes = array();
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function getIterator()
+	{
+		return new service_collection_iterator($this);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function offsetGet($index)
+	{
+		return $this->container->get($index);
+	}
+
+	/**
+	* Add a service to the collection
+	*
+	* @param string $name The service name
+	* @return void
+	*/
+	public function add($name)
+	{
+		$this->offsetSet($name, false);
+	}
+
+	/**
+	* Add a service's class to the collection
+	*
+	* @param string	$service_id
+	* @param string	$class
+	*/
+	public function add_service_class($service_id, $class)
+	{
+		$this->service_classes[$service_id] = $class;
+	}
+
+	/**
+	* Get services' classes
+	*
+	* @return array
+	*/
+	public function get_service_classes()
+	{
+		return $this->service_classes;
+	}
+
+	/**
+	 * Returns the service associated to a class
+	 *
+	 * @return mixed
+	 * @throw \RuntimeException if the
+	 */
+	public function get_by_class($class)
+	{
+		$service_id = null;
+
+		foreach ($this->service_classes as $id => $service_class)
+		{
+			if ($service_class === $class)
+			{
+				if ($service_id !== null)
+				{
+					throw new \RuntimeException('More than one service definitions found for class "'.$class.'" in collection.');
+				}
+
+				$service_id = $id;
+			}
+		}
+
+		if ($service_id === null)
+		{
+			throw new \RuntimeException('No service found for class "'.$class.'" in collection.');
+		}
+
+		return $this->offsetGet($service_id);
+	}
+}