| Horde_Argv_AmbiguousOptionException | Raised if an ambiguous option is seen on the command line. |
| Horde_Argv_BadOptionException | Raised if an invalid option is seen on the command line. |
| Horde_Argv_Exception | Exception handler for the Horde_Argv library. |
| Horde_Argv_HelpFormatter | Provides HelpFormatter, used by Horde_Argv_Parser to generate formatted help text. |
| Horde_Argv_IndentedHelpFormatter | Format help with indented section bodies. |
| Horde_Argv_Option | Defines the Option class and some standard value-checking functions. |
| Horde_Argv_OptionConflictException | Raised if conflicting options are added to a Horde_Argv_Parser. |
| Horde_Argv_OptionContainer | Abstract base class. |
| Horde_Argv_OptionException | Raised if an Option instance is created with invalid or inconsistent arguments. |
| Horde_Argv_OptionGroup | An option group allows to group a number of options under a common header and description. |
| Horde_Argv_OptionValueException | Raised if an invalid option value is encountered on the command |
| Horde_Argv_Parser | Horde command-line argument parsing package. |
| Horde_Argv_TitledHelpFormatter | Format help with underlined section headers. |
| Horde_Argv_Translation | Horde_Argv_Translation is the translation wrapper class for Horde_Argv. |
| Horde_Argv_Values | Result hash for Horde_Argv_Parser |