What are the best practices for file extensions and file locations when working with PHP in XAMPP?

When working with PHP in XAMPP, it is best practice to use the ".php" file extension for all PHP files. Additionally, it is recommended to store your PHP files in the "htdocs" directory within the XAMPP installation folder to ensure they are accessible by the Apache server.

<?php
// Example PHP code snippet
// Save this file as "example.php" in the "htdocs" directory of your XAMPP installation

echo "Hello, World!";
?>