feature/session (#3073): Refactor configuration & fix cookie expiry times
diff --git a/application/config/config.php b/application/config/config.php
index e8d30b6..333e2e9 100644
--- a/application/config/config.php
+++ b/application/config/config.php
@@ -326,33 +326,41 @@
| Session Variables
|--------------------------------------------------------------------------
|
-| 'sess_driver' = the driver to load: cookie (Classic), native (PHP sessions),
-| or your custom driver name
-| 'sess_valid_drivers' = additional valid drivers which may be loaded
-| 'sess_cookie_name' = the name you want for the cookie, must contain only [0-9a-z_-] characters
-| 'sess_expiration' = the number of SECONDS you want the session to last.
-| by default sessions last 7200 seconds (two hours). Set to zero for no expiration.
-| 'sess_expire_on_close' = Whether to cause the session to expire automatically
-| when the browser window is closed
-| 'sess_encrypt_cookie' = Whether to encrypt the cookie
-| 'sess_use_database' = Whether to save the session data to a database
-| 'sess_table_name' = The name of the session database table
-| 'sess_match_ip' = Whether to match the user's IP address when reading the session data
-| 'sess_match_useragent' = Whether to match the User Agent when reading the session data
-| 'sess_time_to_update' = how many seconds between CI refreshing Session Information
+| 'sess_driver'
+|
+| The storage driver to use: files, database, redis, memcache
+|
+| 'sess_cookie_name'
+|
+| The session cookie name, must contain only [0-9a-z_-] characters
+|
+| 'sess_expiration'
+|
+| The number of SECONDS you want the session to last.
+| Setting to 0 (zero) means expire when the browser is closed.
+|
+| 'sess_save_path'
+|
+| The location to save sessions to, driver dependant.
+|
+| 'sess_match_ip'
+|
+| Whether to match the user's IP address when reading the session data.
+|
+| 'sess_time_to_update'
+|
+| How many seconds between CI regenerating the session ID.
+|
+| Other session cookie settings are shared with the rest of the application,
+| except for 'cookie_prefix', which is ignored here.
|
*/
-$config['sess_driver'] = 'cookie';
-$config['sess_valid_drivers'] = array();
-$config['sess_cookie_name'] = 'ci_session';
-$config['sess_expiration'] = 7200;
-$config['sess_expire_on_close'] = FALSE;
-$config['sess_encrypt_cookie'] = FALSE;
-$config['sess_use_database'] = FALSE;
-$config['sess_table_name'] = 'ci_sessions';
-$config['sess_match_ip'] = FALSE;
-$config['sess_match_useragent'] = TRUE;
-$config['sess_time_to_update'] = 300;
+$config['sess_driver'] = 'files';
+$config['sess_cookie_name'] = 'ci_session';
+$config['sess_expiration'] = 7200;
+$config['sess_save_path'] = NULL;
+$config['sess_match_ip'] = FALSE;
+$config['sess_time_to_update'] = 300;
/*
|--------------------------------------------------------------------------