DEV NOTE: Support for Ubuntu 18.04 was removed from Ondřej Surý's PPA on June 15, 2023 as that version of Ubuntu is no longer supported. As per the description on the PPA landing page
https://www.digitalocean.com/community/tutorials/how-to-install-and-use-composer-on-ubuntu-18-04
https://laravel.com/docs/10.x/installation#your-first-laravel-project