install latest phpmyadmin with php 7.3 in ubuntu 18.04 code example

Example 1: install php 8 ubuntu

sudo apt install php8.0

Example 2: 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