1 files changed, 65 insertions, 0 deletions
diff --git a/phpBB/phpbb/di/service_collection_iterator.php b/phpBB/phpbb/di/service_collection_iterator.php
new file mode 100644
index 0000000000..ace66d1906
--- /dev/null
+++ b/phpBB/phpbb/di/service_collection_iterator.php
@@ -0,0 +1,65 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2011 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+namespace phpbb\di;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+* Iterator which load the services when they are requested
+*
+* @package phpBB3
+*/
+class service_collection_iterator extends \ArrayIterator
+{
+	protected $container;
+
+	/**
+	* Construct an ArrayIterator for service_collection
+	*
+	* @param ContainerInterface $container Container object
+	* @param array $array The array or object to be iterated on.
+	* @param int $flags Flags to control the behaviour of the ArrayObject object.
+	* @see ArrayObject::setFlags()
+	*/
+	public function __construct(ContainerInterface $container, $array = array(), $flags = 0)
+	{
+		parent::__construct($array, $flags);
+		$this->container = $container;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function offsetGet($index)
+	{
+		if (($task = parent::offsetGet($index)) == null)
+		{
+			$task = $this->container->get($index);
+			$this->offsetSet($index, $task);
+		}
+
+		return $task;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function current()
+	{
+		if (($task = parent::current()) == null)
+		{
+			$name = $this->key();
+			$task = $this->container->get($name);
+			$this->offsetSet($name, $task);
+		}
+
+		return $task;
+	}
+}