What are the potential pitfalls of using PHP to deliver video files to users, especially when using a method that may not be compatible with certain video players?

Potential pitfalls of using PHP to deliver video files to users include compatibility issues with certain video players and increased server load due to PHP processing large video files. To solve this issue, it is recommended to use a direct link to the video file in the HTML code instead of delivering the file through PHP.

<?php
// Instead of using PHP to deliver video files, use direct link in HTML code
?>