diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/HttpKernel/Exception/FlattenException.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/HttpKernel/Exception/FlattenException.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,197 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * FlattenException wraps a PHP Exception to be able to serialize it.
+ *
+ * Basically, this class removes all objects from the trace.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class FlattenException
+{
+    private $message;
+    private $code;
+    private $previous;
+    private $trace;
+    private $class;
+    private $statusCode;
+    private $headers;
+
+    static public function create(\Exception $exception, $statusCode = 500, array $headers = array())
+    {
+        $e = new static();
+        $e->setMessage($exception->getMessage());
+        $e->setCode($exception->getCode());
+        $e->setStatusCode($statusCode);
+        $e->setHeaders($headers);
+        $e->setTrace($exception->getTrace(), $exception->getFile(), $exception->getLine());
+        $e->setClass(get_class($exception));
+        if ($exception->getPrevious()) {
+            $e->setPrevious(static::create($exception->getPrevious()));
+        }
+
+        return $e;
+    }
+
+    public function toArray()
+    {
+        $exceptions = array();
+        foreach (array_merge(array($this), $this->getAllPrevious()) as $exception) {
+            $exceptions[] = array(
+                'message' => $exception->getMessage(),
+                'class'   => $exception->getClass(),
+                'trace'   => $exception->getTrace(),
+            );
+        }
+
+        return $exceptions;
+    }
+
+    public function getStatusCode()
+    {
+        return $this->statusCode;
+    }
+
+    public function setStatusCode($code)
+    {
+        $this->statusCode = $code;
+    }
+
+    public function getHeaders()
+    {
+        return $this->headers;
+    }
+
+    public function setHeaders(array $headers)
+    {
+        $this->headers = $headers;
+    }
+
+    public function getClass()
+    {
+        return $this->class;
+    }
+
+    public function setClass($class)
+    {
+        $this->class = $class;
+    }
+
+    public function getMessage()
+    {
+        return $this->message;
+    }
+
+    public function setMessage($message)
+    {
+        $this->message = $message;
+    }
+
+    public function getCode()
+    {
+        return $this->code;
+    }
+
+    public function setCode($code)
+    {
+        $this->code = $code;
+    }
+
+    public function getPrevious()
+    {
+        return $this->previous;
+    }
+
+    public function setPrevious(FlattenException $previous)
+    {
+        $this->previous = $previous;
+    }
+
+    public function getAllPrevious()
+    {
+        $exceptions = array();
+        $e = $this;
+        while ($e = $e->getPrevious()) {
+            $exceptions[] = $e;
+        }
+
+        return $exceptions;
+    }
+
+    public function getTrace()
+    {
+        return $this->trace;
+    }
+
+    public function setTrace($trace, $file, $line)
+    {
+        $this->trace = array();
+        $this->trace[] = array(
+            'namespace'   => '',
+            'short_class' => '',
+            'class'       => '',
+            'type'        => '',
+            'function'    => '',
+            'file'        => $file,
+            'line'        => $line,
+            'args'        => array(),
+        );
+        foreach ($trace as $entry) {
+            $class = '';
+            $namespace = '';
+            if (isset($entry['class'])) {
+                $parts = explode('\\', $entry['class']);
+                $class = array_pop($parts);
+                $namespace = implode('\\', $parts);
+            }
+
+            $this->trace[] = array(
+                'namespace'   => $namespace,
+                'short_class' => $class,
+                'class'       => isset($entry['class']) ? $entry['class'] : '',
+                'type'        => isset($entry['type']) ? $entry['type'] : '',
+                'function'    => $entry['function'],
+                'file'        => isset($entry['file']) ? $entry['file'] : null,
+                'line'        => isset($entry['line']) ? $entry['line'] : null,
+                'args'        => isset($entry['args']) ? $this->flattenArgs($entry['args']) : array(),
+            );
+        }
+    }
+
+    private function flattenArgs($args, $level = 0)
+    {
+        $result = array();
+        foreach ($args as $key => $value) {
+            if (is_object($value)) {
+                $result[$key] = array('object', get_class($value));
+            } elseif (is_array($value)) {
+                if ($level > 10) {
+                    $result[$key] = array('array', '*DEEP NESTED ARRAY*');
+                } else {
+                    $result[$key] = array('array', $this->flattenArgs($value, ++$level));
+                }
+            } elseif (null === $value) {
+                $result[$key] = array('null', null);
+            } elseif (is_bool($value)) {
+                $result[$key] = array('boolean', $value);
+            } elseif (is_resource($value)) {
+                $result[$key] = array('resource', get_resource_type($value));
+            } else {
+                $result[$key] = array('string', (string) $value);
+            }
+        }
+
+        return $result;
+    }
+}