A new version of configuration file /etc/php5/fpm/php.ini is available, but the version installed currently has been locally modified.  │
    │                                                                                                                                         │
    │ What do you want to do about modified configuration file php.ini?                                                                       │
    │                                                                                                                                         │
    │                                           install the package maintainer's version                                                      │
    │                                           keep the local version currently installed                                                    │
    │                                           show the differences between the versions                                                     │
    │                                           show a side-by-side difference between the versions                                           │
    │                                           start a new shell to examine the situation