Only remove merchant sig param from payload

thomaslorentsen · Aug 31, 2017 · c0251eb · c0251eb
1 parent e555fb6
commit c0251eb
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Showing 2 changed files with 4 additions and 5 deletions.
diff --git a/composer.json b/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "thomaslorentsen/adyen-hpp-hmac",
   "description": "HMAC Generator for Adyen Hosted Payment Pages",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "type": "library",
   "license": "MIT",
   "authors": [

diff --git a/src/Signature.php b/src/Signature.php
@@ -46,10 +46,9 @@ public function validate($signature, $params)
      */
     private function filterParams($params)
     {
-        if (array_key_exists('merchantSig', $params)) {
-            $params['merchantSig'] = null;
+        if (!array_key_exists('merchantSig', $params)) {
+            return $params;
         }
-
-        return array_filter($params);
+        return array_filter($params, function($key) { return 'merchantSig' !== $key; }, ARRAY_FILTER_USE_KEY);
     }
 }