Horde_Exception Horde base exception class.
Horde_Exception_LastError Horde exception class that accepts output of error_get_last() as $code and mask itself as that error.
Horde_Exception_NotFound Exception thrown if an object wasn't found.
Horde_Exception_Pear Horde exception class that converts PEAR errors to exceptions.
Horde_Exception_PermissionDenied Exception thrown if any access without sufficient permissions occured.
Horde_Exception_Translation Horde_Exception_Translation is the translation wrapper class for Horde_Exception.
Horde_Exception_Wrapped Horde exception class that can wrap and set its details from PEAR_Error, Exception, and other objects with similar interfaces.