php 7.3 install

sudo add-apt-repository ‘deb http://archive.ubuntu.com/ubuntu bionic main restricted universe multiverse’
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt install -y libapache2-mod-php7.3 php7.3-cli php7.3-common php7.3-mbstring php7.3-gd php-imagick php7.3-intl php7.3-bz2 php7.3-xml php7.3-mysql php7.3-zip php7.3-dev php7.3-curl php7.3-fpm php-dompdf php-apcu redis-server php-redis php-smbclient php7.3-ldap unzip nano python-certbot-apache certbot wget curl
sudo apt-get update
sudo apt update
sudo update-alternatives --set php /usr/bin/php7.3
sudo systemctl restart apache2