--- swig-1.3.30/Source/Modules/php.cxx.orig	2006-11-02 00:54:52.000000000 +0100
+++ swig-1.3.30/Source/Modules/php.cxx	2006-11-18 20:49:44.639530500 +0100
@@ -1172,6 +1172,8 @@
 
     /* Insert cleanup code */
     for (i = 0, p = l; p; i++) {
+      if(i>= (num_required))
+	Printf(cleanup,"\tif(arg_count > %d) {\n", i);
       if ((tm = Getattr(p, "tmap:freearg"))) {
 	Replaceall(tm, "$source", Getattr(p, "lname"));
 	Printv(cleanup, tm, "\n", NIL);
@@ -1179,6 +1181,8 @@
       } else {
 	p = nextSibling(p);
       }
+      if (i >= num_required)
+        Printf(cleanup,"}\n");
     }
 
     /* Insert argument output code */