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Added autoload drivers config, added Session and Loader changes to ch…

…angelog, added Session config items to upgrade guide

Signed-off-by: dchill42 <dchill42@gmail.com>
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1 parent ac740ab commit f8f36db2d967efe8178b78a59ead14c05f50dc12 @dchill42 committed Aug 30, 2012
@@ -46,10 +46,11 @@
|
| 1. Packages
| 2. Libraries
-| 3. Helper files
-| 4. Custom config files
-| 5. Language files
-| 6. Models
+| 3. Drivers
+| 4. Helper files
+| 5. Custom config files
+| 6. Language files
+| 7. Models
|
*/
@@ -75,14 +76,30 @@
|
| Prototype:
|
-| $autoload['libraries'] = array('database', 'session', 'xmlrpc');
+| $autoload['libraries'] = array('database', 'email', 'xmlrpc');
*/
$autoload['libraries'] = array();
/*
| -------------------------------------------------------------------
+| Auto-load Drivers
+| -------------------------------------------------------------------
+| These classes are located in the system/libraries folder or in your
+| application/libraries folder within their own subdirectory. They
+| offer multiple interchangeable driver options.
+|
+| Prototype:
+|
+| $autoload['drivers'] = array('session', 'cache');
+*/
+
+$autoload['drivers'] = array();
+
+
+/*
+| -------------------------------------------------------------------
| Auto-load Helper Files
| -------------------------------------------------------------------
| Prototype:
@@ -139,4 +156,4 @@
/* End of file autoload.php */
-/* Location: ./application/config/autoload.php */
+/* Location: ./application/config/autoload.php */
@@ -145,9 +145,21 @@ Release Date: Not Released
- Libraries
- - CI_Session now respects php.ini's session.gc_probability and session.gc_divisor
+ - :doc:`Session Library <libraries/sessions>` changes include:
+ - Library changed to :doc:`Driver <general/drivers>` with classic Cookie driver as default.
+ - Added Native PHP Session driver to work with $_SESSION.
+ - Custom session drivers can be added anywhere in package paths and loaded with Session library.
+ - Session drivers interchangeable on the fly.
+ - New tempdata feature allows setting user data items with an expiration time.
+ - Added default $config['sess_driver'] and $config['sess_valid_drivers'] items to config.php file.
+ - Cookie driver now respects php.ini's session.gc_probability and session.gc_divisor
+ - Changed the Cookie driver to select only one row when using database sessions.
+ - Cookie driver now only writes to database at end of request when using database.
+ - Cookie driver now uses PHP functions for faster array manipulation when using database.
+ - Added all_flashdata() method to session class. Returns an associative array of only flashdata.
+ - Added has_userdata() method to verify existence of userdata item.
+ - Added tempdata(), set_tempdata(), and unset_tempdata() methods for manipulating tempdata.
- Added max_filename_increment config setting for Upload library.
- - CI_Loader::_ci_autoloader() is now a protected method.
- :doc:`Cart library <libraries/cart>` changes include:
- It now auto-increments quantity's instead of just resetting it, this is the default behaviour of large e-commerce sites.
- Product Name strictness can be disabled via the Cart Library by switching "$product_name_safe".
@@ -171,8 +183,6 @@ Release Date: Not Released
- Native PHP functions used as rules can now accept an additional parameter, other than the data itself.
- Updated set_rules() to accept an array of rules as well as a string.
- Fields that have empty rules set no longer run through validation (and therefore are not considered erroneous).
- - Changed the :doc:`Session Library <libraries/sessions>` to select only one row when using database sessions.
- - Added all_flashdata() method to session class. Returns an associative array of only flashdata.
- Allowed for setting table class defaults in a config file.
- Added a Wincache driver to the :doc:`Caching Library <libraries/caching>`.
- Added a Redis driver to the :doc:`Caching Library <libraries/caching>`.
@@ -194,7 +204,11 @@ Release Date: Not Released
- Changed private methods in the :doc:`URI Library <libraries/uri>` to protected so MY_URI can override them.
- Removed CI_CORE boolean constant from CodeIgniter.php (no longer Reactor and Core versions).
- - Added method get_vars() to the :doc:`Loader Library <libraries/loader>` to retrieve all variables loaded with $this->load->vars().
+ - :doc:`Loader Library <libraries/loader>` changes include:
+ - Added method get_vars() to the Loader to retrieve all variables loaded with $this->load->vars().
+ - CI_Loader::_ci_autoloader() is now a protected method.
+ - Added autoloading of drivers with $autoload['drivers'].
+ - CI_Loader::library() will now load drivers as well, for backward compatibility of converted libraries (like Session).
- is_loaded() function from system/core/Commons.php now returns a reference.
- $config['rewrite_short_tags'] now has no effect when using PHP 5.4 as *<?=* will always be available.
- Added method() to the :doc:`Input Library <libraries/input>` to retrieve $_SERVER['REQUEST_METHOD'].
@@ -31,8 +31,24 @@ Step 3: Remove $autoload['core'] from your config/autoload.php
Use of the ``$autoload['core']`` config array has been deprecated as of CodeIgniter 1.4.1 and is now removed.
Move any entries that you might have listed there to ``$autoload['libraries']`` instead.
+**************************************************************
+Step 4: Add new session driver items to your config/config.php
+**************************************************************
+
+With the change from a single Session Library to the new Session Driver, two new config items have been added:
+
+ - ``$config['sess_driver']`` selects which driver to initially load. Options are:
+ - 'cookie' (the default) for classic CodeIgniter cookie-based sessions
+ - 'native' for native PHP Session support
+ - the name of a custom driver you have provided (see :doc:`Session Driver <../libraries/sessions>` for more info)
+ - ``$config['sess_valid_drivers']`` provides an array of additional custom drivers to make available for loading
+
+As the new Session Driver library loads the classic Cookie driver by default and always makes 'cookie' and 'native'
+available as valid drivers, neither of these configuration items are required. However, it is recommended that you
+add them for clarity and ease of configuration in the future.
+
***************************************
-Step 4: Update your config/database.php
+Step 5: Update your config/database.php
***************************************
Due to 3.0.0's renaming of Active Record to Query Builder, inside your `config/database.php`, you will
@@ -43,20 +59,20 @@ need to rename the `$active_record` variable to `$query_builder`.
$query_builder = TRUE;
*******************************
-Step 5: Move your errors folder
+Step 6: Move your errors folder
*******************************
In version 3.0.0, the errors folder has been moved from _application/errors* to _application/views/errors*.
****************************************************************************
-Step 6: Check the calls to Array Helper's element() and elements() functions
+Step 7: Check the calls to Array Helper's element() and elements() functions
****************************************************************************
The default return value of these functions, when the required elements
don't exist, has been changed from FALSE to NULL.
***************************************************************
-Step 7: Remove usage of (previously) deprecated functionalities
+Step 8: Remove usage of (previously) deprecated functionalities
***************************************************************
In addition to the ``$autoload['core']`` configuration setting, there's a number of other functionalities
@@ -151,4 +167,4 @@ emails. To override this behaviour, pass FALSE as the first parameter in the ``s
if ($this->email->send(FALSE))
{
// Parameters won't be cleared
- }
+ }

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