Installing PHP 7.4 on Latest Debian/Ubuntu

sudo apt install -y apt-transport-https lsb-release ca-certificates wget

sudo wget -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg

echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/php.list

sudo apt update

sudo apt install -y php7.4 libapache2-mod-php7.4 php7.4-{bcmath,bz2,intl,gd,mbstring,mysql,zip,cli,fpm,opcache,xml,curl,xsl,soap,json,apcu,imap,xmlrpc}

php -v

sudo systemctl restart apache2

sudo apt -y install software-properties-common

sudo add-apt-repository ppa:ondrej/php

sudo apt update

sudo apt install -y php7.4 libapache2-mod-php7.4 php7.4-{bcmath,bz2,intl,gd,mbstring,mysql,zip,cli,fpm,opcache,xml,curl,xsl,soap,json,apcu,imap,xmlrpc}

php -v

sudo systemctl restart apache2