Install PHP7+ with all extensions

install_php.sh

#!/usr/bin/env bash

sudo apt-get update && apt-get upgrade
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt-get update

sudo apt install \
    php7.0 \
    php7.0-bcmath \
    php7.0-cli \
    php7.0-dba \
    php7.0-fpm \
    php7.0-imap \
    php7.0-json \
    php7.0-mcrypt \
    php7.0-opcache \
    php7.0-pspell \
    php7.0-snmp \
    php7.0-sybase \
    php7.0-xmlrpc \
    php7.0-bz2 \
    php7.0-common \
    php7.0-dev \
    php7.0-gd \
    php7.0-interbase \
    php7.0-ldap \
    php7.0-mysql \
    php7.0-pgsql \
    php7.0-readline \
    php7.0-soap \
    php7.0-tidy \
    php7.0-xsl \
    php7.0-cgi \
    php7.0-curl \
    php7.0-enchant \
    php7.0-gmp \
    php7.0-intl \
    php7.0-mbstring \
    php7.0-odbc \
    php7.0-phpdbg \
    php7.0-recode \
    php7.0-sqlite3 \
    php7.0-xml \
    php7.0-zip \
    \
    php7.1 \
    php7.1-bcmath \
    php7.1-cli \
    php7.1-dba \
    php7.1-fpm \
    php7.1-imap \
    php7.1-json \
    php7.1-opcache \
    php7.1-pspell \
    php7.1-snmp \
    php7.1-sybase \
    php7.1-xmlrpc \
    php7.1-bz2 \
    php7.1-common \
    php7.1-dev \
    php7.1-gd \
    php7.1-interbase \
    php7.1-ldap \
    php7.1-mysql \
    php7.1-pgsql \
    php7.1-readline \
    php7.1-soap \
    php7.1-tidy \
    php7.1-xsl \
    php7.1-cgi \
    php7.1-curl \
    php7.1-enchant \
    php7.1-gmp \
    php7.1-intl \
    php7.1-mbstring \
    php7.1-odbc \
    php7.1-phpdbg \
    php7.1-recode \
    php7.1-sqlite3 \
    php7.1-xml \
    php7.1-zip \
    \
    php7.2 \
    php7.2-bcmath \
    php7.2-cli \
    php7.2-dba \
    php7.2-fpm \
    php7.2-imap \
    php7.2-json \
    php7.2-opcache \
    php7.2-pspell \
    php7.2-snmp \
    php7.2-sybase \
    php7.2-xmlrpc \
    php7.2-bz2 \
    php7.2-common \
    php7.2-dev \
    php7.2-gd \
    php7.2-interbase \
    php7.2-ldap \
    php7.2-mysql \
    php7.2-pgsql \
    php7.2-readline \
    php7.2-soap \
    php7.2-tidy \
    php7.2-xsl \
    php7.2-cgi \
    php7.2-curl \
    php7.2-enchant \
    php7.2-gmp \
    php7.2-intl \
    php7.2-mbstring \
    php7.2-odbc \
    php7.2-phpdbg \
    php7.2-recode \
    php7.2-sqlite3 \
    php7.2-xml \
    php7.2-zip \
    \
    php7.3 \
    php7.3-bcmath \
    php7.3-cli \
    php7.3-dba \
    php7.3-fpm \
    php7.3-imap \
    php7.3-json \
    php7.3-opcache \
    php7.3-pspell \
    php7.3-snmp \
    php7.3-sybase \
    php7.3-xmlrpc \
    php7.3-bz2 \
    php7.3-common \
    php7.3-dev \
    php7.3-gd \
    php7.3-interbase \
    php7.3-ldap \
    php7.3-mysql \
    php7.3-pgsql \
    php7.3-readline \
    php7.3-soap \
    php7.3-tidy \
    php7.3-xsl \
    php7.3-cgi \
    php7.3-curl \
    php7.3-enchant \
    php7.3-gmp \
    php7.3-intl \
    php7.3-mbstring \
    php7.3-odbc \
    php7.3-phpdbg \
    php7.3-recode \
    php7.3-sqlite3 \
    php7.3-xml \
    php7.3-zip