summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--includes/common.inc18
1 files changed, 11 insertions, 7 deletions
diff --git a/includes/common.inc b/includes/common.inc
index 650aa90dc..104ff4316 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -269,7 +269,9 @@ function drupal_get_destination() {
*
* It is advised to use drupal_goto() instead of PHP's header(), because
* drupal_goto() will append the user's session ID to the URI when PHP is
- * compiled with "--enable-trans-sid".
+ * compiled with "--enable-trans-sid". In addtion, Drupal will ensure that
+ * messages set by drupal_set_message() and other session data are written to
+ * the database before the user is redirected.
*
* This function ends the request; use it rather than a print theme('page')
* statement in your menu callback.
@@ -306,13 +308,15 @@ function drupal_goto($path = '', $query = NULL, $fragment = NULL, $http_response
// Before the redirect, allow modules to react to the end of the page request.
module_invoke_all('exit', $url);
- // Here we register header() to be called after exit(). Because
- // session_write_close() was registered before header() all session
- // data will be written to the database before the header is sent to the
- // browser.
- register_shutdown_function('header', "Location: $url", TRUE, $http_response_code);
+ // Even though session_write_close() is registered as a shutdown function, we
+ // need all session data written to the database before the redirect.
+ session_write_close();
- // Make sure none of the code below the drupal_goto() call gets executed.
+ header('Location: '. $url, TRUE, $http_response_code);
+
+ // The "Location" header sends a redirect status code to the HTTP daemon. In
+ // some cases this can go wrong, so we make sure none of the code below the
+ // drupal_goto() call gets executed when we redirect.
exit();
}