How to Downgrade PHP 7.4 to PHP 7.3 in Ubuntu 20.04 LTS?

Downgrade PHP 7.4 to PHP 7.3 in Ubuntu 20.04 LTS

In this blog we will learn how to downgrade PHP 7.4 to PHP 7.3 . Before we start make sure you have root access of the terminal. What we will do is simply disable PHP 7.4 and install or enable PHP 7.3 from the terminal.

Following are the below steps to how to switch PHP 7.4 to PHP 7.3 :-

Step1. First, Adding PPA repository

sudo add-apt-repository ppa:ondrej/php

sudo apt-get update

sudo apt-get install php7.3

Step4. Lastly Installing php 7.3 extension

sudo apt-get install php7.3-cli php7.3-common php7.3-json php7.3-opcache php7.3-mysql php7.3-mbstring  php7.3-zip php7.3-fpm php7.3-intl php7.3-simplexml

Step5. Disabling php 7.4

sudo a2dismod php7.4

Step6. Enabling php 7.3

sudo a2enmod php7.3

Step7. Restart Apache2

sudo service apache2 restart

Now check  php version by typing php -v in the terminal

vikash.ekka@vetechno:~/Desktop$ php -v

PHP 7.3.2 (cli) (built: Oct  6 2020 15:47:56) ( NTS )
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