Looks like that you copied your full php.ini from your windows machine (probably the dev environment) up to a remote server which is running some linux distribution.
The extensions listed in your xampp provided php.ini won't work this way over there. If you are certain that you want to copy the whole php.ini from your dev machine, (you most likely won't need that) you will probably have to remove or edit the extension= lines to fit the environment (They most likely should end with .so at least and have a different path). Checking every path related setting would be wise too.
(Using full paths in every extension= line is foolish since there's extension_dir)
