What is the significance of placing PHP files in the htdocs directory?

Placing PHP files in the htdocs directory is significant because it is the default root directory for a web server like Apache. This means that any PHP files placed in the htdocs directory can be accessed by the web server and displayed in a browser. It is important to place PHP files in the htdocs directory to ensure that they are properly executed and displayed on the web.

<?php
// Sample PHP code snippet to display "Hello, World!" in a browser
echo "Hello, World!";
?>