diff -urN php-4.3.1-orig/Zend/zend_execute.c php-4.3.1/Zend/zend_execute.c
--- php-4.3.1-orig/Zend/zend_execute.c	Mon Mar 31 14:01:54 2003
+++ php-4.3.1/Zend/zend_execute.c	Fri May 23 15:48:40 2003
@@ -1551,7 +1551,14 @@
 							}
 
 							if (!EX(object).ptr || EX(object).ptr->type != IS_OBJECT) {
-								zend_error(E_ERROR, "Call to a member function on a non-object");
+								zend_error(E_WARNING, "Call to a member function on a non-object");
+								zend_ptr_stack_n_pop(&EG(arg_types_stack), 3, &EX(ce), &EX(object).ptr, &EX(fbc));
+								while (EX(opline)->opcode != ZEND_DO_FCALL_BY_NAME) EX(opline)++;  /* jump past arguments */
+								if (RETURN_VALUE_USED(EX(opline))) {  /* return null */
+									ALLOC_ZVAL(EX(Ts)[EX(opline)->result.u.var].var.ptr);
+									INIT_ZVAL(*EX(Ts)[EX(opline)->result.u.var].var.ptr);
+								}
+								NEXT_OPCODE();  /* jump past ZEND_DO_FCALL_BY_NAME */
 							}
 							if (!EX(object).ptr->is_ref && EX(object).ptr->refcount > 1) {
 								zend_error(E_ERROR, "Bug: Problem in method call");