SHELL

php 7.4 raspberry pi

sudo apt update
  
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 apt update
sudo apt -y install php7.4  

php 7.4 raspberry pi

wget http://ftp.us.debian.org/debian/pool/main/p/php7.4/php7.4_7.4.1-1_all.deb

dpkg -i php7.4_7.4.1-1_all.deb