1 files changed, 15 insertions, 3 deletions
diff --git a/library/HTMLPurifier/VarParser/Native.php b/library/HTMLPurifier/VarParser/Native.php
index b02a6de54..f11c318ef 100644
--- a/library/HTMLPurifier/VarParser/Native.php
+++ b/library/HTMLPurifier/VarParser/Native.php
@@ -8,11 +8,24 @@
 class HTMLPurifier_VarParser_Native extends HTMLPurifier_VarParser
 {
 
-    protected function parseImplementation($var, $type, $allow_null) {
+    /**
+     * @param mixed $var
+     * @param int $type
+     * @param bool $allow_null
+     * @return null|string
+     */
+    protected function parseImplementation($var, $type, $allow_null)
+    {
         return $this->evalExpression($var);
     }
 
-    protected function evalExpression($expr) {
+    /**
+     * @param string $expr
+     * @return mixed
+     * @throws HTMLPurifier_VarParserException
+     */
+    protected function evalExpression($expr)
+    {
         $var = null;
         $result = eval("\$var = $expr;");
         if ($result === false) {
@@ -20,7 +33,6 @@ class HTMLPurifier_VarParser_Native extends HTMLPurifier_VarParser
         }
         return $var;
     }
-
 }
 
 // vim: et sw=4 sts=4