From ad889c9f377ee56aa9fa11e094ec0d55c396f776 Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Mon, 4 Feb 2013 12:10:17 +0100
Subject: [PATCH] [DependencyInjection] fixed a circular call (closes #6864)

---
 .../Component/DependencyInjection/Dumper/PhpDumper.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index 2a29b01c9005a..889394f3ba52c 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -958,11 +958,11 @@ private function getDefinitionsFromArguments(array $arguments)
      *
      * @return Boolean
      */
-    private function hasReference($id, array $arguments, $deep = false)
+    private function hasReference($id, array $arguments, $deep = false, $visited = array())
     {
         foreach ($arguments as $argument) {
             if (is_array($argument)) {
-                if ($this->hasReference($id, $argument, $deep)) {
+                if ($this->hasReference($id, $argument, $deep, $visited)) {
                     return true;
                 }
             } elseif ($argument instanceof Reference) {
@@ -970,11 +970,13 @@ private function hasReference($id, array $arguments, $deep = false)
                     return true;
                 }
 
-                if ($deep) {
+                if ($deep && !isset($visited[(string) $argument])) {
+                    $visited[(string) $argument] = true;
+
                     $service = $this->container->getDefinition((string) $argument);
                     $arguments = array_merge($service->getMethodCalls(), $service->getArguments(), $service->getProperties());
 
-                    if ($this->hasReference($id, $arguments, $deep)) {
+                    if ($this->hasReference($id, $arguments, $deep, $visited)) {
                         return true;
                     }
                 }