[ticket/12620] Adds a yaml config file

PHPBB3-12620

phpBB/phpbb/di/extension/container_configuration.php

@@ -0,0 +1,38 @@
+<?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()
+			->end()
+		;
+		return $treeBuilder;
+	}
+}