1 files changed, 9 insertions, 6 deletions
diff --git a/library/HTMLPurifier/AttrTransform/Lang.php b/library/HTMLPurifier/AttrTransform/Lang.php
index 5869e7f82..5b0aff0e4 100644
--- a/library/HTMLPurifier/AttrTransform/Lang.php
+++ b/library/HTMLPurifier/AttrTransform/Lang.php
@@ -8,9 +8,15 @@
 class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform
 {
 
-    public function transform($attr, $config, $context) {
-
-        $lang     = isset($attr['lang']) ? $attr['lang'] : false;
+    /**
+     * @param array $attr
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return array
+     */
+    public function transform($attr, $config, $context)
+    {
+        $lang = isset($attr['lang']) ? $attr['lang'] : false;
         $xml_lang = isset($attr['xml:lang']) ? $attr['xml:lang'] : false;
 
         if ($lang !== false && $xml_lang === false) {
@@ -18,11 +24,8 @@ class HTMLPurifier_AttrTransform_Lang extends HTMLPurifier_AttrTransform
         } elseif ($xml_lang !== false) {
             $attr['lang'] = $xml_lang;
         }
-
         return $attr;
-
     }
-
 }
 
 // vim: et sw=4 sts=4