How to change PHP version in Ubuntu 20.04 console?

How can I change the PHP version used in console on Ubuntu 20.04? I have all versions in the /etc/php folder, but I don't know where the configuration for the command line version is.

4 Answers

You can do this with update-alternatives. If you would like to do this interactively, you can do this:

sudo update-alternatives --config php

If you like to specifically choose the PHP version (via an alias or whatnot), you can do this:

sudo update-alternatives --set php /usr/bin/php7.4

Of course, be sure to change php7.4 to the actual version you want to switch between.

1

Please use following command which will ask you to select a number against your required PHP version

sudo update-alternatives --config php

Then select your choice and press enter.

2

i just try in Ubuntu20.04 and it works.

// to show the list php installed: sudo update-alternatives --config php

// choose number version that you wanna switchscreenshoot switch php version in ubtuntu

alias setphp="sudo update-alternatives --config php;sudo update-alternatives --config phar; update-alternatives --config phar.phar; a2dismod php*.*;systemctl restart apache2"

Put the above alias in ~/.bashrc:

sudo nano ~/.bashrc

Then just run this command:

a2enmod php<Your Desired Version> # like, a2enmod php7.4

Now you can run the command setphp from your terminal.

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