aboutsummaryrefslogtreecommitdiffstats
path: root/guides/source/layouts_and_rendering.md
diff options
context:
space:
mode:
Diffstat (limited to 'guides/source/layouts_and_rendering.md')
-rw-r--r--guides/source/layouts_and_rendering.md8
1 files changed, 8 insertions, 0 deletions
diff --git a/guides/source/layouts_and_rendering.md b/guides/source/layouts_and_rendering.md
index 71cc030f6a..779ba6e5e5 100644
--- a/guides/source/layouts_and_rendering.md
+++ b/guides/source/layouts_and_rendering.md
@@ -628,6 +628,14 @@ You can use `redirect_to` with any arguments that you could use with `link_to` o
redirect_to :back
```
+This will raise `ActionController::RedirectBackError` if the request had no
+`HTTP_REFERER` information set. To guard against this case, you can provide a
+fall back redirect URL by using `redirect_back`:
+
+```ruby
+redirect_back(fallback_location: root_path)
+```
+
#### Getting a Different Redirect Status Code
Rails uses HTTP status code 302, a temporary redirect, when you call `redirect_to`. If you'd like to use a different status code, perhaps 301, a permanent redirect, you can use the `:status` option: