==============================
 Global constants and objects
==============================

**This information is valid for Horde 4 only. See `Doc/Dev/GlobalsH3`_ for Horde 3 or `Doc/Dev/Globals`_ for Horde 5 and later.**

.. _`Doc/Dev/GlobalsH3`: https://wiki.horde.org/Doc/Dev/GlobalsH3?referrer=Doc%2FDev%2FGlobalsH4
.. _`Doc/Dev/Globals`: https://wiki.horde.org/Doc/Dev/Globals?referrer=Doc%2FDev%2FGlobalsH4

Horde applications work with a standard set of constants:

+-------------------+-----------------------------------------------------------------------------------------------------+
|**HORDE_BASE**     |The filesystem location of Horde                                                                     |
+===================+=====================================================================================================+
|**[APP]_BASE**     |The filesystem location of the application's base (**[APP]** = name of current application)          |
+-------------------+-----------------------------------------------------------------------------------------------------+
|**[APP]_TEMPLATES**|The filesystem location of the application's template files (**[APP]** = name of current application)|
+-------------------+-----------------------------------------------------------------------------------------------------+


Applications work with a number of standard global variables and object:

+-----------------+-----------------------------------------------------------------------------------------------------------+
|**$browser**     |Information on the client browser (Horde_Browser object)                                                   |
+=================+===========================================================================================================+
|**$cli**         |CLI object (Horde_Cli object; only if running in CLI mode)                                                 |
+-----------------+-----------------------------------------------------------------------------------------------------------+
|**$conf**        |The configuration hash                                                                                     |
+-----------------+-----------------------------------------------------------------------------------------------------------+
|**$injector**    |The injector instance; used to inject dependencies into various framework libraries (Horde_Injector object)|
+-----------------+-----------------------------------------------------------------------------------------------------------+
|**$language**    |The user's preferred language                                                                              |
+-----------------+-----------------------------------------------------------------------------------------------------------+
|**$notification**|The notification handler (Horde_Notification object)                                                       |
+-----------------+-----------------------------------------------------------------------------------------------------------+
|**$prefs**       |The user preferences (Horde_Prefs object)                                                                  |
+-----------------+-----------------------------------------------------------------------------------------------------------+
|**$registry**    |The Horde `Registry`_ (Horde_Registry object)                                                              |
+-----------------+-----------------------------------------------------------------------------------------------------------+


.. _`Registry`: https://wiki.horde.org/Doc/Dev/Registry?referrer=Doc%2FDev%2FGlobalsH4