Merge pull request zendframework/zendframework#2369 branch 'hotfix/re…

…move-unused-vars'

src/Hydrator/Reflection.php

@@ -80,7 +80,7 @@ protected static function getReflProperties($input)
             $reflClass      = new ReflectionClass($input);
             $reflProperties = $reflClass->getProperties();
 
-            foreach ($reflProperties as $key => $property) {
+            foreach ($reflProperties as $property) {
                 $property->setAccessible(true);
                 self::$reflProperties[$input][$property->getName()] = $property;
             }