add-apt-repository ppa:ondrej/php
# Update index
apt-get update
sudo apt-get install gcc
apt-get install php7.1
apt-get install php7.1-fpm php7.1-cli php7.1-common php7.1-json php7.1-opcache php7.1-mysql php7.1-phpdbg php7.1-mbstring php7.1-gd php7.1-imap php7.1-ldap php7.1-pgsql php7.1-pspell php7.1-recode php7.1-tidy php7.1-dev php7.1-intl php7.1-gd php7.1-curl php7.1-zip php7.1-xml

# Installing redis with php
apt-get install php-redis

# Installing xdebug with php
apt-get install php-xdebug

service php7.1-fpm restart

# Configure Xdebug if needed
read -p "Do you want to configure Xdebug? [Y/n] " response
echo    # (optional) move to a new line
case "$response" in
    [yY][eE][sS]|[yY])
    echo "\n" >> /etc/php/7.1/fpm/php.ini
    echo "[XDebug]" >> /etc/php/7.1/fpm/php.ini
    echo "zend_extension = /usr/lib/php/20151012/xdebug.so" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.remote_enable = 1" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.remote_connect_back=1" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.remote_port = 9001" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.scream=0" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.show_local_vars=1" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.idekey=PHPSTORM" >> /etc/php/7.1/fpm/php.ini
    service php7.1-fpm restart
        ;;
    [Nn]* ) exit;;
    *)
    echo "\n" >> /etc/php/7.1/fpm/php.ini
    echo "[XDebug]" >> /etc/php/7.1/fpm/php.ini
    echo "zend_extension = /usr/lib/php/20151012/xdebug.so" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.remote_enable = 1" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.remote_connect_back=1" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.remote_port = 9001" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.scream=0" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.show_local_vars=1" >> /etc/php/7.1/fpm/php.ini
    echo "xdebug.idekey=PHPSTORM" >> /etc/php/7.1/fpm/php.ini
    service php7.1-fpm restart
    ;;
esac