PHP

install php7.4 in linux server

For install all important php 7.4 extensions
apt install php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-opcache php7.4-soap php7.4-zip php7.4-intl -y

install php7.4 linux

sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update
sudo apt install php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-opcache php7.4-soap php7.4-zip php7.4-intl -y

// Last part is stolen from Lokesh003Coding's answer <3
// This snippet should work on the currently most recent Linux distro

install php 7.3 ubuntu

sudo apt install php7.3-cli php7.3-fpm php7.3-json php7.3-pdo php7.3-mysql php7.3-zip php7.3-gd  php7.3-mbstring php7.3-curl php7.3-xml php7.3-bcmath php7.3-json

how to install php7.3 on ubuntu 18.04

sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update
sudo apt install php7.3 php7.3-common php7.3-opcache php7.3-cli php7.3-gd php7.3-curl php7.3-mysql

install php 7.4 ubuntu

sudo apt update
sudo apt install php php-cli php-fpm php-json php-pdo php-mysql php-zip php-gd  php-mbstring php-curl php-xml php-pear php-bcmath

install php 7.1 on ubuntu 18.04

sudo apt install php7.1 php7.1-common php7.1-opcache php7.1-mcrypt php7.1-cli php7.1-gd php7.1-curl php7.1-mysql

install php 7.3 ubuntu

sudo add-apt-repository ppa:ondrej/phpsudo apt-get update

ubuntu install php 7

sudo apt-get install php libapache2-mod-php

install php version 7.3 ubuntu

apt-get install php7.2 libapache2-mod-php7.2 php7.2-common php7.2-gd php7.2-mysql php7.2-curl php7.2-intl php7.2-xsl php7.2-mbstring php7.2-zip php7.2-bcmath php7.2-soap php-xdebug php-imagick

instalar php 7.4 no ubuntu

sudo apt install php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-opcache php7.4-soap php7.4-zip php7.4-intl -y

install php 7.1 on ubuntu 18.04

sudo apt install software-properties-commonsudo add-apt-repository ppa:ondrej/php