sudo add-apt-repository -y ppa:ondrej/php
sudo apt-get update && sudo apt-get upgrade
sudo apt install apache2
sudo apt install php7.1 php7.1-common php7.1-cli libapache2-mod-php7.1 php7.1-mysql php7.1-curl php7.1-gd php7.1-json php7.1-xml php7.1-mbstring php7.1-xmlrpc php7.1-zip php7.1-soap php7.1-intl
sudo a2enmod php7.1
sudo a2enmod rewrite
sudo systemctl restart apache2