Added type expansion for the @param tag

src/phpDocumentor/Reflection/DocBlock/Tag.php

@@ -33,7 +33,7 @@ class Tag implements \Reflector
     /** @var int line number of the tag */
     protected $line_number = 0;
 
-    /** @var object docblock class */
+    /** @var \phpDocumentor\Reflection\DocBlock docblock class */
     protected $docblock;
 
     /**

src/phpDocumentor/Reflection/DocBlock/Tag/ParamTag.php

@@ -63,7 +63,12 @@ class ParamTag extends Tag
     public function getTypes()
     {
         $types = explode('|', $this->type);
-        array_walk($types, 'trim');
+        foreach ($types as &$type) {
+            $type = !empty($type) && $this->docblock
+                ? $this->docblock->expandType($type)
+                : trim($type);
+        }
+
         return $types;
     }