# LC_ALL=C.UTF-8 add-apt-repository ppa:ondrej/php
 More info: https://launchpad.net/~ondrej/+archive/ubuntu/php
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keyring `/tmp/tmprap8pdmo/secring.gpg' created
gpg: keyring `/tmp/tmprap8pdmo/pubring.gpg' created
gpg: requesting key E5267A6C from hkp server keyserver.ubuntu.com
gpg: /tmp/tmprap8pdmo/trustdb.gpg: trustdb created
gpg: key E5267A6C: public key "Launchpad PPA for Ondřej Surý" imported
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK
root@stv1:/etc/apt# ls
apt.conf.d  preferences.d  sources.list  sources.list.d  sources.list.save  trusted.gpg  trusted.gpg.d  trusted.gpg~
root@stv1:/etc/apt# apt-get update
Hit:1 http://archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease
Get:3 http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease [23.9 kB]
Hit:4 http://archive.ubuntu.com/ubuntu xenial-security InRelease
Get:5 http://ppa.launchpad.net/ondrej/php/ubuntu xenial/main amd64 Packages [43.4 kB]
Get:6 http://ppa.launchpad.net/ondrej/php/ubuntu xenial/main Translation-en [25.3 kB]
Fetched 92.6 kB in 0s (154 kB/s)
Reading package lists... Done
root@stv1:/etc/apt# apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  libvpx3 php7.0-curl
Use 'apt autoremove' to remove them.
The following NEW packages will be installed:
  libssl1.0.2 libwebp5 php7.1-cli php7.1-common php7.1-curl php7.1-fpm php7.1-gd php7.1-json php7.1-mbstring php7.1-mcrypt php7.1-mysql php7.1-opcache php7.1-readline
  php7.1-xml
The following packages will be upgraded:
  libgd3 libjbig0 libpcre3 libxml2 libzip4 openssl php-common php-curl php-fpm php-gd php-gettext php-mbstring php-mcrypt php-mysql php-pear php-xml php7.0-cli
  php7.0-common php7.0-curl php7.0-fpm php7.0-gd php7.0-json php7.0-mbstring php7.0-mcrypt php7.0-mysql php7.0-opcache php7.0-readline php7.0-xml php7.0-zip
29 upgraded, 14 newly installed, 0 to remove and 0 not upgraded.
Need to get 12.8 MB of archives.
After this operation, 21.5 MB of additional disk space will be used.
Do you want to continue? [Y/n] n
Abort.