initialize data zval

Girgias · Girgias · commit 65f51be1652e · 2025-01-25T11:45:52.000Z
diff --git a/ext/pdo/pdo_stmt.c b/ext/pdo/pdo_stmt.c
@@ -1242,6 +1242,7 @@ PHP_METHOD(PDOStatement, fetchAll)
 
 	zval data, group_key;
 
+	ZVAL_UNDEF(&data);
 	array_init(return_value);
 
 	if (fetch_mode == PDO_FETCH_KEY_PAIR) {
