ubuntu 16 upgrade php 7 0 to 7 4

1sudo apt-get install software-properties-common
2sudo add-apt-repository ppa:ondrej/php
3sudo apt-get update
4sudo apt-get upgrade
5sudo apt-get install -y php7.3
6

1sudo apt install -y php7.4-mysql php7.4-dom php7.4-simplexml php7.4-ssh2 php7.4-xml php7.4-xmlreader php7.4-curl  php7.4-exif  php7.4-ftp php7.4-gd  php7.4-iconv php7.4-imagick php7.4-json  php7.4-mbstring php7.4-posix php7.4-sockets php7.4-tokenizer
2

1sudo apt install -y php7.4 php7.4-cli php7.4-common php7.4-fpm
2

1sudo apt-get install software-properties-common
2sudo add-apt-repository ppa:ondrej/php
3sudo apt-get update
4sudo apt-get upgrade
5sudo apt-get install -y php7.3

1sudo apt install -y php7.4-mysqli php7.4-pdo  php7.4-sqlite3 php7.4-ctype php7.4-fileinfo php7.4-zip php7.4-exif
2

1sudo apt-add-repository ppa:ondrej/php
2