[php] fix bindAll maybe

src/bindx/BindSignal.hx

@@ -102,13 +102,17 @@ class SignalTools {
         for (name in signals.keys()) {
             var signal = signals.get(name);
             if (std.Std.is(signal, FieldSignal)) {
+                (function () {
                     var listener = function (_, _) callback(name);
                     listeners.set(signal, listener);
                     signal.add(listener);
+                })();
             } else {
+                (function () {
                     var listener = function () callback(name);
                     listeners.set(signal, listener);
                     signal.add(listener);
+                })();
             }
         }