[WebProfilerBundle] Expose dotenv variables

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/request.html.twig

@@ -167,7 +167,15 @@
                 {% endif %}
 
                 <h3>Server Parameters</h3>
-                {{ include('@WebProfiler/Profiler/bag.html.twig', { bag: collector.requestserver }, with_context = false) }}
+                <h4>Defined in .env</h4>
+                {{ include('@WebProfiler/Profiler/bag.html.twig', { bag: collector.dotenvvars }, with_context = false) }}
+
+                <h4>Defined as regular env variables</h4>
+                {% set requestserver = [] %}
+                {% for key, value in collector.requestserver if key not in collector.dotenvvars.keys %}
+                    {% set requestserver = requestserver|merge({(key): value}) %}
+                {% endfor %}
+                {{ include('@WebProfiler/Profiler/table.html.twig', { data: requestserver }, with_context = false) }}
             </div>
         </div>
 

src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php

@@ -78,6 +78,13 @@ class RequestDataCollector extends DataCollector implements EventSubscriberInter
             $responseCookies[$cookie->getName()] = $cookie;
         }
 
+        $dotenvVars = array();
+        foreach (explode(',', getenv('SYMFONY_DOTENV_VARS')) as $name) {
+            if ('' !== $name && false !== $value = getenv($name)) {
+                $dotenvVars[$name] = $value;
+            }
+        }
+
         $this->data = array(
             'method' => $request->getMethod(),
             'format' => $request->getRequestFormat(),
@@ -100,6 +107,7 @@ class RequestDataCollector extends DataCollector implements EventSubscriberInter
             'path_info' => $request->getPathInfo(),
             'controller' => 'n/a',
             'locale' => $request->getLocale(),
+            'dotenv_vars' => $dotenvVars,
         );
 
         if (isset($this->data['request_headers']['php-auth-pw'])) {
@@ -254,6 +262,11 @@ class RequestDataCollector extends DataCollector implements EventSubscriberInter
         return $this->data['locale'];
     }
 
+    public function getDotenvVars()
+    {
+        return new ParameterBag($this->data['dotenv_vars']->getValue());
+    }
+
     /**
      * Gets the route name.
      *