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Step-by-step guide to installing PHP 7.4 on Ubuntu 20.04 via the command line, including adding the ondrej/php PPA repository, installing common PHP modules, setting up Composer as a dependency manager, and verifying the environment with a basic Hello World script. Note: PHP 7.4 and Ubuntu 20.04 have reached end-of-life; a newer guide covering PHP 8.1 on Ubuntu 22.04 is recommended for new setups.

How To Install PHP 7.4 and Set Up a Local Development Environment on Ubuntu 20.04

Step 2 — Setting Up Composer for Dependency Management (Optional)

<p>Why would someone do this today?
PHP 7.4 is deprecated a long time ago</p>
