[DependencyInjection] removed Iterator interface support from Container as there is no real-world use case

src/Symfony/Components/DependencyInjection/Container.php

@@ -50,12 +50,10 @@ namespace Symfony\Components\DependencyInjection;
  * @subpackage dependency_injection
  * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
  */
-class Container implements ContainerInterface, \ArrayAccess, \Iterator
+class Container implements ContainerInterface, \ArrayAccess
 {
-  protected $serviceIds = array();
   protected $parameters = array();
   protected $services   = array();
-  protected $count      = 0;
 
   const EXCEPTION_ON_INVALID_REFERENCE = 1;
   const NULL_ON_INVALID_REFERENCE      = 2;
@@ -325,56 +323,6 @@ class Container implements ContainerInterface, \ArrayAccess, \Iterator
     throw new \LogicException('You can\'t unset a service.');
   }
 
-  /**
-   * Resets the service identifiers array to the beginning (implements the Iterator interface).
-   */
-  public function rewind()
-  {
-    $this->serviceIds = $this->getServiceIds();
-
-    $this->count = count($this->serviceIds);
-  }
-
-  /**
-   * Gets the key associated with the current service (implements the Iterator interface).
-   *
-   * @return string The service identifier
-   */
-  public function key()
-  {
-    return current($this->serviceIds);
-  }
-
-  /**
-   * Returns the current service (implements the Iterator interface).
-   *
-   * @return mixed The service
-   */
-  public function current()
-  {
-    return $this->getService(current($this->serviceIds));
-  }
-
-  /**
-   * Moves to the next service (implements the Iterator interface).
-   */
-  public function next()
-  {
-    next($this->serviceIds);
-
-    --$this->count;
-  }
-
-  /**
-   * Returns true if the current service is valid (implements the Iterator interface).
-   *
-   * @return boolean The validity of the current service; true if it is valid
-   */
-  public function valid()
-  {
-    return $this->count > 0;
-  }
-
   /**
    * Catches unknown methods.
    *

src/Symfony/Components/DependencyInjection/Dumper/GraphvizDumper.php

@@ -158,8 +158,10 @@ class GraphvizDumper extends Dumper
       $container->setDefinition($id, new Definition('stdClass'));
     }
 
-    foreach ($container as $id => $service)
+    foreach ($container->getServiceIds() as $id)
     {
+      $service = $container->getService($id);
+
       if (in_array($id, array_keys($container->getAliases())))
       {
         continue;

tests/unit/Symfony/Components/DependencyInjection/ContainerTest.php

@@ -14,7 +14,7 @@ use Symfony\Components\DependencyInjection\Container;
 
 $fixturesPath = __DIR__.'/../../../../fixtures/Symfony/Components/DependencyInjection/';
 
-$t = new LimeTest(43);
+$t = new LimeTest(42);
 
 // __construct()
 $t->diag('__construct()');
@@ -190,23 +190,6 @@ catch (LogicException $e)
 $t->is(spl_object_hash($sc->getService('foo_bar')), spl_object_hash($sc->__foo_bar), '->getService() camelizes the service id when looking for a method');
 $t->is(spl_object_hash($sc->getService('foo.baz')), spl_object_hash($sc->__foo_baz), '->getService() camelizes the service id when looking for a method');
 
-// Iterator
-$t->diag('implements Iterator');
-$sc = new ProjectServiceContainer();
-$sc->setService('foo', $foo = new stdClass());
-$services = array();
-foreach ($sc as $id => $service)
-{
-  $services[$id] = spl_object_hash($service);
-}
-$t->is($services, array(
-  'service_container' => spl_object_hash($sc),
-  'bar' => spl_object_hash($sc->__bar),
-  'foo_bar' => spl_object_hash($sc->__foo_bar),
-  'foo.baz' => spl_object_hash($sc->__foo_baz),
-  'foo' => spl_object_hash($foo)),
-'Container implements the Iterator interface');
-
 // __call()
 $t->diag('__call()');
 $sc = new Container();