Fix the functions/methods signatures

data/templates/clean/elements/method.html.twig

@@ -5,7 +5,7 @@
             <article class="method">
                 <h3 class="{{ method.visibility }} {% if method.deprecated %}deprecated{% endif %}">{{ method.name }}()</h3>
                 <a href="#source-view" role="button" class="pull-right btn" data-toggle="modal" style="font-size: 1.1em; padding: 9px 14px"><i class="icon-code"></i></a>
-                <pre class="signature" style="margin-right: 54px;">{{ method.name }}({% for argument in method.arguments %}{{ argument.types ? argument.types|join('|')~' ' }} <span class="argument">{{ argument.isVariadic ? '...' }}{{ argument.name }}{{ argument.default ? ' = '~argument.default }}</span>{% if not loop.last %}, {% endif %}{% endfor %}) {{ method.response.types ? ': '~method.response.types|join('|') }}</pre>
+                <pre class="signature" style="margin-right: 54px;">{{ method.name }}({% for argument in method.arguments %}{{ argument.types ? argument.types|route|join('|')~' ' }} <span class="argument">{{ argument.isVariadic ? '...' }}{{ argument.name }}{{ argument.default ? ' = '~argument.default }}</span>{% if not loop.last %}, {% endif %}{% endfor %}) {{ method.response.types ? ': '~method.response.types|route|join('|') }}</pre>
                 <p><em>{{ method.summary }}</em></p>
                 {{ method.description|markdown|raw }}
 

src/phpDocumentor/Descriptor/ArgumentDescriptor.php

@@ -135,4 +135,9 @@ public function isVariadic()
     {
         return $this->isVariadic;
     }
+
+    public function getName()
+    {
+        return "$" . parent::getName();
+    }
 }

src/phpDocumentor/Transformer/Router/Renderer.php

@@ -236,6 +236,6 @@ protected function renderLink($path, $presentation)
                 break;
         }
 
-        return $url ? sprintf('<a href="%s">%s</a>', $url, $path) : $path;
+        return $url ? sprintf('<a href="%s">%s</a>', $url, $path) : (string)$path;
     }
 }