Horde_Array The Horde_Array:: class provides various methods for array manipulation.
Horde_Array_Sort_Helper Helper class for sorting arrays on arbitrary criteria for usort/uasort.
Horde_Domhtml Parse DOM data from HTML strings.
Horde_String Provides static methods for charset and locale safe string manipulation.
Horde_String_Transliterate Provides utility methods used to transliterate a string.
Horde_Util The Horde_Util:: class provides generally useful methods.
Horde_Variables An OO-way to access form variables.