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-rw-r--r--user_guide_src/source/installation/upgrade_300.rst15
-rw-r--r--user_guide_src/source/libraries/sessions.rst8
2 files changed, 21 insertions, 2 deletions
diff --git a/user_guide_src/source/installation/upgrade_300.rst b/user_guide_src/source/installation/upgrade_300.rst
index 497dc7263..78333c9a3 100644
--- a/user_guide_src/source/installation/upgrade_300.rst
+++ b/user_guide_src/source/installation/upgrade_300.rst
@@ -168,6 +168,21 @@ that you should make:
`Session Metadata <../libraries/sessions.html#accessing-session-metadata>`_
if your application relies on those values.
+ - Check ``unset_userdata()`` usage
+
+ Previously, this method used to accept an associative array of
+ ``'key' => 'dummy value'`` pairs for unsetting multiple keys. That
+ however makes no sense and you now have to pass *only* the keys, as
+ the elements of an array.
+
+ ::
+
+ // Old
+ $this->session->unset_userdata(array('item' => '', 'item2' => ''));
+
+ // New
+ $this->session->unset_userdata(array('item', 'item2'));
+
Finally, if you have written a Session extension, you must now move it to
the *application/libraries/Session/* directory, although chances are that
it will now also have to be re-factored.
diff --git a/user_guide_src/source/libraries/sessions.rst b/user_guide_src/source/libraries/sessions.rst
index 6395c0622..91dafdee8 100644
--- a/user_guide_src/source/libraries/sessions.rst
+++ b/user_guide_src/source/libraries/sessions.rst
@@ -203,12 +203,16 @@ session data array::
$this->session->unset_userdata('some_name');
-This method also accepts an associative array of items to unset::
+This method also accepts an array of item keys to unset::
- $array_items = array('username' => '', 'email' => '');
+ $array_items = array('username', 'email');
$this->session->unset_userdata($array_items);
+.. note:: In previous versions, the ``unset_userdata()`` method used
+ to accept an associative array of ``key => 'dummy value'``
+ pairs. This is no longer supported.
+
Flashdata
=========