Install PHP 7.4 - Debian 10

# Add suri repo
sudo apt -y install lsb-release apt-transport-https ca-certificates 
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 update
# install php7.4
sudo apt-get install php7.4
# for nginx
apt install php7.4-fpm php7.4-{apcu,bcmath,bz2,cgi,cli,common,curl,dba,enchant,intl,gd,imap,json,,mbstring,mysql,odbc,opcache,phpdbg,redis,snmp,soap,sqlite3,tidy,xml,xsl,zip}