changed the way we store the current ob level (refs #2617)

src/Symfony/Bundle/FrameworkBundle/HttpKernel.php

@@ -40,6 +40,8 @@ class HttpKernel extends BaseHttpKernel
         $this->container->enterScope('request');
         $this->container->set('request', $request, 'request');
 
+        $request->headers->set('X-Php-Ob-Level', ob_get_level());
+
         try {
             $response = parent::handle($request, $type, $catch);
         } catch (\Exception $e) {

src/Symfony/Bundle/TwigBundle/Controller/ExceptionController.php

@@ -65,7 +65,7 @@ class ExceptionController extends ContainerAware
         // some Windows configurations where ob_get_level()
         // never reaches 0
         $count = 100;
-        $startObLevel = $this->container->get('kernel')->getStartObLevel();
+        $startObLevel = $this->container->get('request')->headers->get('X-Php-Ob-Level', -1);
         $currentContent = '';
         while (ob_get_level() > $startObLevel && --$count) {
             $currentContent .= ob_get_clean();

src/Symfony/Bundle/TwigBundle/Tests/Controller/ExceptionControllerTest.php

@@ -17,6 +17,7 @@ use Symfony\Bundle\TwigBundle\Controller\ExceptionController;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Scope;
 use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\HttpFoundation\Request;
 
 class ExceptionControllerTest extends TestCase
 {
@@ -48,6 +49,7 @@ class ExceptionControllerTest extends TestCase
             ->expects($this->any())
             ->method('renderResponse')
             ->will($this->returnValue($this->getMock('Symfony\Component\HttpFoundation\Response')));
+        $this->request = Request::create('/');
         $this->container = $this->getContainer();
     }
 
@@ -64,12 +66,7 @@ class ExceptionControllerTest extends TestCase
 
     public function testOnlyClearOwnOutputBuffers()
     {
-        $this->container->enterScope('request');
-
-        $this->kernel
-            ->expects($this->once())
-            ->method('getStartObLevel')
-            ->will($this->returnValue(1));
+        $this->request->headers->set('X-Php-Ob-Level', 1);
 
         $this->controller->setContainer($this->container);
         $this->controller->showAction($this->flatten);
@@ -79,7 +76,7 @@ class ExceptionControllerTest extends TestCase
     {
         $container = new ContainerBuilder();
         $container->addScope(new Scope('request'));
-        $container->register('request', 'Symfony\\Component\\HttpFoundation\\Request')->setScope('request');
+        $container->set('request', $this->request);
         $container->set('templating', $this->templating);
         $container->setParameter('kernel.bundles', array());
         $container->setParameter('kernel.cache_dir', __DIR__);

src/Symfony/Component/HttpKernel/Kernel.php

@@ -55,7 +55,6 @@ abstract class Kernel implements KernelInterface
     protected $booted;
     protected $name;
     protected $startTime;
-    protected $startObLevel;
     protected $classes;
 
     const VERSION = '2.0.6-DEV';
@@ -121,8 +120,6 @@ abstract class Kernel implements KernelInterface
             return;
         }
 
-        $this->startObLevel = ob_get_level();
-
         // init bundles
         $this->initializeBundles();
 
@@ -424,16 +421,6 @@ abstract class Kernel implements KernelInterface
         return $this->debug ? $this->startTime : -INF;
     }
 
-    /**
-     * Gets the ob_level at the start of the request
-     *
-     * @return integer The request start ob_level
-     */
-    public function getStartObLevel()
-    {
-        return $this->startObLevel;
-    }
-
     /**
      * Gets the cache directory.
      *

src/Symfony/Component/HttpKernel/KernelInterface.php

@@ -179,13 +179,6 @@ interface KernelInterface extends HttpKernelInterface, \Serializable
      */
     function getStartTime();
 
-    /**
-     * Gets the ob_level at the start of the request
-     *
-     * @return integer The request start ob_level
-     */
-    function getStartObLevel();
-
     /**
      * Gets the cache directory.
      *