How can PHP developers test their websites locally using Apache without internet access?

PHP developers can test their websites locally using Apache without internet access by setting up a local server environment. They can install Apache, PHP, and MySQL on their local machine to create a local server. This allows them to run their PHP scripts and test their websites without needing an internet connection.

<?php
// PHP code snippet for testing websites locally using Apache without internet access
// This is a basic PHP script that can be run on a local server environment

// Sample PHP code to display "Hello, World!" on a local server
echo "Hello, World!";
?>