Horde 6 requires PHP 7.4, PHP 8.0 or PHP 8.1 versions.
Support for PHP 8.2 is in development.
- PHAR extension is required for composer and other utilities
- gettext for localisation
- PDO and SQL Database extensions
- curl for API requests
Depending on installed Horde applications and used backends, other extensions are required.
For a fairly complete reference, the groupware container image currently uses these PHP extensions:
Composer will tell user whenever a platform requirement is missing.