--- a/src/server/pages.py	Fri Jan 12 18:03:34 2018 +0100
+++ b/src/server/pages.py	Fri Jan 12 22:00:28 2018 +0100
@@ -822,12 +822,13 @@
 
         return ret[0] if get_first else ret
 
-    def getAllPostedData(self, request, except_=()):
+    def getAllPostedData(self, request, except_=(), multiple=True):
         """get all posted data
 
         @param request(server.Request): request linked to the session
         @param except_(iterable[unicode]): key of values to ignore
             csrf_token will always be ignored
+        @param multiple(bool): if False, only the first values are returned
         @return (dict[unicode, list[unicode]]): post values
         """
         except_ = tuple(except_) + (u'csrf_token',)
@@ -836,7 +837,10 @@
             key = urllib.unquote(key).decode('utf-8')
             if key in except_:
                 continue
-            ret[key] = [urllib.unquote(v).decode('utf-8') for v in values]
+            if not multiple:
+                ret[key] = urllib.unquote(values[0]).decode('utf-8')
+            else:
+                ret[key] = [urllib.unquote(v).decode('utf-8') for v in values]
         return ret
 
     def getProfile(self, request):