Upgrade
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- make a copy of inc/settings.php
+- make a copy of upload/ (or directory where your photos and thumbnails are stored).
- delete old version of syp from your server
-- upload now version
+- upload new version
- edit inc/settings.php again (copy old version of file may not be enough
because new settings may have appeared)
+- copy upload/ back.
- open http://yoururl.com/upgrade.php with your web browser
server API