What are the potential pitfalls of using file_get_contents to import PHP code into HTML templates?

The potential pitfalls of using file_get_contents to import PHP code into HTML templates include security vulnerabilities such as allowing malicious code execution and lack of error handling for file retrieval. To solve this issue, it is recommended to use include or require functions in PHP to import files securely.

<?php
// Securely include PHP code into HTML templates using require
require 'path/to/file.php';
?>