Recipe 8.5 Redirecting to a Different Location
8.5.1 Problem
You
want to automatically send a user to
a new URL. For example, after successfully saving form data, you want
to redirect a user to a page that confirms the data.
8.5.2 Solution
Before any output is printed, use header(
)
to send a Location header with the new URL:
header('Location: http://www.example.com/');
8.5.3 Discussion
If you want to pass variables to the new page, you can include them
in the query string of the URL:
header('Location: http://www.example.com/?monkey=turtle');
The URL that you are redirecting a user to is retrieved with
GET.
You can't redirect someone to retrieve a URL via
POST.
You can, however, send other headers along with the
Location
header. This is especially useful with the
Window-target
header, which indicates a particular named
frame or window in which to load the new URL:
header('Window-target: main');
header('Location: http://www.example.com/');
The redirect URL must include the protocol and hostname; it
can't just be a pathname:
// Good Redirect
header('Location: http://www.example.com/catalog/food/pemmican.php');
// Bad Redirect
header('Location: /catalog/food/pemmican.php');
8.5.4 See Also
Documentation on header( ) at
http://www.php.net/header.
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