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\part{Global constants and objects}
\textbf{This information is valid for Horde 5 and later only. See <a href="https://wiki.horde.org/Doc/Dev/GlobalsH4">Doc/Dev/GlobalsH4</a> for Horde 4 or <a href="https://wiki.horde.org/Doc/Dev/GlobalsH3">Doc/Dev/GlobalsH3</a> for Horde 3.}

Horde applications work with a standard set of constants:

<table class="horde-table">\textbf{HORDE\_BASE} & The filesystem location of Horde \\
\hline
\textbf{<a href="https://wiki.horde.org/APP">APP</a>\_BASE} & The filesystem location of the application's base (\textbf{<a href="https://wiki.horde.org/APP">APP</a>} = name of current application) \\
\hline
\textbf{<a href="https://wiki.horde.org/APP">APP</a>\_TEMPLATES} & The filesystem location of the application's template files (\textbf{<a href="https://wiki.horde.org/APP">APP</a>} = name of current application) \\
\hline
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Applications work with a number of standard global variables and object:

<table class="horde-table">\textbf{\$browser} & Information on the client browser (<a href="http://dev.horde.org/api/master/lib/Browser/classes/Horde_Browser.html">Horde\_Browser</a> object) \\
\hline
\textbf{\$cli} & CLI object (<a href="http://dev.horde.org/api/master/lib/Cli/classes/Horde_Cli.html">Horde\_Cli</a> object; only if running in CLI mode) \\
\hline
\textbf{\$conf} & The configuration hash \\
\hline
\textbf{\$injector} & The injector instance; used to inject dependencies into various framework libraries (<a href="http://dev.horde.org/api/master/lib/Injector/classes/Horde_Injector.html">Horde\_Injector</a> object) \\
\hline
\textbf{\$language} & The user's preferred language \\
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\textbf{\$notification} & The notification handler (<a href="http://dev.horde.org/api/master/lib/Notification/classes/Horde_Notification_Handler.html">Horde\_Notification\_Handler</a> object) \\
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\textbf{\$page\_output} & The page output helper object (<a href="http://dev.horde.org/api/master/lib/Core/classes/Horde_PageOutput.html">Horde\_PageOutput</a> object) \\
\hline
\textbf{\$prefs} & The user preferences (<a href="http://dev.horde.org/api/master/lib/Prefs/classes/Horde_Prefs.html">Horde\_Prefs</a> object) \\
\hline
\textbf{\$registry} & The Horde <a href="https://wiki.horde.org/Doc/Dev/Registry">Registry</a> (<a href="http://dev.horde.org/api/master/lib/Core/classes/Horde_Registry.html">Horde\_Registry</a> object) \\
\hline
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