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List of changes: * New OOP API using PHP namespace \core\session\. * All handlers now update the sessions table consistently. * Experimental DB session support in Oracle. * Full support for session file handler (filesystem locking required). * New option for alternative session directory. * Official memcached session handler support. * Workaround for memcached version with non-functional gc. * Improved security - forced session id regeneration. * Improved compatibility with recent PHP releases. * Fixed borked CSS during install in debug mode. * Switched to file based sessions in new installs. * DB session setting disappears if DB does not support sessions. * DB session setting disappears if session handler specified in config.php. * Fast purging of sessions used in request only. * No legacy distinction - file, database and memcached support the same functionality. * Session handler name included in performance info. * Fixed user_loggedin and user_loggedout event triggering. * Other minor bugfixing and improvements. * Fixed database session segfault if MUC disposed before $DB. Limitations: * Session access time is now updated right after session start. * Support for $CFG->sessionlockloggedinonly was removed. * First request does not update userid in sessions table. * The timeouts may break badly if server hosting forces PHP.ini session settings. * The session GC is a lot slower, we do not rely on external session timeouts. * There cannot be any hooks triggered at the session write time. * File and memcached handlers do not support session lock acquire timeouts. * Some low level PHP session functions can not be used directly in Moodle code.
ACTIVITY MODULES
----------------
These are main modules in Moodle, allowing various activities.
Each of these modules contains a number of expected components:
mod_form.php: a form to setup/update a module instance
version.php: defines some meta-info and provides upgrading code
pix/icon.gif: a 16x16 icon for the module
db/install.xml: an SQL dump of all the required db tables and data
index.php: a page to list all instances in a course
view.php: a page to view a particular instance
lib.php: any/all functions defined by the module should be in here.
constants should be defined using MODULENAME_xxxxxx
functions should be defined using modulename_xxxxxx
There are a number of standard functions:
modulename_add_instance()
modulename_update_instance()
modulename_delete_instance()
modulename_user_complete()
modulename_user_outline()
modulename_cron()
modulename_print_recent_activity()
If you are a developer and interested in developing new Modules see:
Moodle Documentation: http://moodle.org/doc
Moodle Community: http://moodle.org/community