Install PHP7.1 on Ubuntu 16.04

php7.1_ubuntu16.04.sh

#! /bin/bash

sudo apt-get install -y software-properties-common python-software-properties

# 1. Add Ondrejs PPA Repo and update
echo "$(tput setaf 2)1. Add Ondrejs PPA Repo and update...$(tput sgr 0)"
sudo add-apt-repository ppa:ondrej/php -y -u

# 2. Remove default PHP 7.0
echo "$(tput setaf 2)2. Update PHP to latest$(tput sgr 0)"
sudo apt-get purge php7.0 php7.0-common -y

# 3. Add other PHP Packages for Laravel
echo "$(tput setaf 2)3. Adding PHP packages$(tput sgr 0)"
sudo apt-get install php7.2-curl php7.2-xml php7.2-zip php7.2-gd php7.2-mysql php7.2-mbstring php7.1-bcmath -y

# 4. OPTIONAL - add composer if not installed
command -v composer || {
    echo "$(tput setaf 2)OPTIONAL. Composer not installed. Installing...$(tput sgr 0)"
    php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
    php composer-setup.php
    php -r "unlink('composer-setup.php');"
    mv composer.phar /usr/local/bin/composer
    /usr/local/bin/composer -v
}

# 5. OPTIONAL - turn on mod_rewrite
a2enmod rewrite
service apache2 restart

# 6. Done
echo "$(tput setaf 2)Completed! - PHP version is reporting it is version:$(tput sgr 0)"
php -v