Index: modules/quercus/src/com/caucho/quercus/env/Env.java
===================================================================
--- modules/quercus/src/com/caucho/quercus/env/Env.java	(revision 10251)
+++ modules/quercus/src/com/caucho/quercus/env/Env.java	(working copy)
@@ -6927,7 +6927,7 @@
         if (line > 0)
           lineV = LongValue.create(line);
 
-        Value context = NullValue.NULL;
+        Value context = new ArrayValueImpl();
 
         handler.call(this, LongValue.create(mask), createString(msg),
                      fileNameV, lineV, context);