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\part{ Global constants and objects}
\textbf{Colortext: NIThis information is valid for Horde 3 only. See Doc/Dev/Globals for Horde 4 or Doc/Dev/Globals\footnote{http://example.com/index.php?page=Doc/Dev/Globals} for Horde 5 and later.Colortext: NI}

Horde applications work with a standard set of constants:

\begin{tabular}{|l|l|}
\hline
HORDE\_BASE & The filesystem location of Horde (defined in each application)\\
\hline
APP\_BASE & The filesystem location of the application\\
\hline
APP\_TEMPLATES & The filesystem location of the application's template files\\
\hline
APP\_VERSION & The version number of the application (not a CVS revision tag)\\
\hline
\end{tabular}
Applications work with a number of standard global variables and object:

\begin{tabular}{|l|l|}
\hline
\$conf & The configuration hash\\
\hline
\$prefs & The user preferences\\
\hline
\$browser & Information on the client browser\\
\hline
\$registry & The Horde Registry\footnote{http://example.com/index.php?page=Doc/Dev/RegistryH3}\\
\hline
\$language & The user's preferred language\\
\hline
\end{tabular}
\end{document}
