Translations:Installation - LimeSurvey CE/11/en
From LimeSurvey Manual
Optional PHP Extensions:
- GD-Library with FreeType support installed is needed for captchas, nice charts in statistics or to upload images via the HTML editor - see PHP GD-Library Extension documentation
- IMAP (pretty standard) is needed for the email bounce tracking system - see PHP IMAP Extension documentation
- LDAP installed is needed to import survey participants using LDAP - see PHP LDAP Documentation
- Zip (pretty standard) is needed for template upload, import of .zip archived resources, and excel export - see PHP Zip Extension documentation
- Zlib (pretty standard) is needed for the ComfortUpdate - see PHP Zlib Extension documentation