diff -up php-5.2.17/Zend/zend_execute_API.c.bug-60138 php-5.2.17/Zend/zend_execute_API.c
--- php-5.2.17/Zend/zend_execute_API.c.bug-60138	2012-01-12 09:18:41.000000000 +0700
+++ php-5.2.17/Zend/zend_execute_API.c	2012-01-12 09:19:13.000000000 +0700
@@ -935,10 +935,11 @@ int zend_call_function(zend_fcall_info *
 			&& (EX(function_state).function->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) == 0
 			&& !ARG_SHOULD_BE_SENT_BY_REF(EX(function_state).function, i + 1)
 			&& PZVAL_IS_REF(*fci->params[i])) {
-			SEPARATE_ZVAL(fci->params[i]);
-		}
-
-		if (ARG_SHOULD_BE_SENT_BY_REF(EX(function_state).function, i+1)
+			ALLOC_ZVAL(param);
+			*param = **(fci->params[i]);
+			INIT_PZVAL(param);
+			zval_copy_ctor(param);
+		} else if (ARG_SHOULD_BE_SENT_BY_REF(EX(function_state).function, i + 1)
 			&& !PZVAL_IS_REF(*fci->params[i])) {
 			if ((*fci->params[i])->refcount>1) {
 				zval *new_zval;