fix interrupt problem in serialize()

ext/standard/var.c

@@ -631,9 +631,9 @@ static void php_var_serialize_class(smart_str *buf, zval *struc, zval *retval_pt
 							break;
 						}
 						pefree(prot_name, ce->type & ZEND_INTERNAL_CLASS);
-						php_error_docref(NULL TSRMLS_CC, E_NOTICE, "\"%s\" returned as member variable from __sleep() but does not exist", Z_STRVAL_PP(name));
 						php_var_serialize_string(buf, Z_STRVAL_PP(name), Z_STRLEN_PP(name));
 						php_var_serialize_intern(buf, nvalp, var_hash TSRMLS_CC);
+						php_error_docref(NULL TSRMLS_CC, E_NOTICE, "\"%s\" returned as member variable from __sleep() but does not exist", Z_STRVAL_PP(name));
 					} while (0);
 				} else {
 					php_var_serialize_string(buf, Z_STRVAL_PP(name), Z_STRLEN_PP(name));