What are the advantages of using the function highlight_string over other methods for displaying PHP code in a forum?

When displaying PHP code in a forum, using the `highlight_string` function is advantageous because it automatically highlights syntax in the code, making it easier for users to read and understand. This function also supports various color schemes for syntax highlighting, improving the overall readability of the code. Additionally, `highlight_string` provides a simple and efficient way to display PHP code without the need for additional plugins or libraries.

<?php
$code = "<?php echo 'Hello, World!'; ?>";
highlight_string($code);
?>