Remove PHP7 and Add PHP7.1 Ubuntu

#!/bin/bash
add-apt-repository -y ppa:ondrej/php && apt-get update && apt-get -y remove --purge 'php7*' && apt install -y --no-install-recommends php7.1 libapache2-mod-php7.1 php7.1-mysql php7.1-curl php7.1-json php7.1-gd php7.1-mcrypt php7.1-msgpack php7.1-memcached php7.1-intl php7.1-sqlite3 php7.1-gmp php7.1-geoip php7.1-mbstring php7.1-redis php7.1-xml php7.1-zip php-mysql
sed -i "s/display_errors = Off/display_errors = On/g" /etc/php/7.1/apache2/php.ini && sed -i "s/display_errors = Off/display_errors = On/g" /etc/php/7.1/cli/php.ini && sed -i "s/error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT/error_reporting = E_ALL/g" /etc/php/7.1/apache2/php.ini && sed -i "s/error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT/error_reporting = E_ALL/g" /etc/php/7.1/cli/php.ini
service apache2 restart