Why Is My CSS Code Printing on the Page When Using PHP's include Function?

Importing CSS Files Dynamically with PHP

Importing CSS files using PHP code provides greater flexibility and dynamic control over the styling of your web pages than using HTML code. However, many users encounter an issue where the CSS code prints directly on the page instead of being applied as styles.

Issue Description:

The user is attempting to include a CSS file using PHP's include function, but the CSS code is being displayed on the page rather than applied as styles.

Solution:

To resolve this issue, the CSS code must be enclosed within a