直接表示を避けるために PHP で CSS ファイルを適切にインポートするにはどうすればよいですか?

Importing CSS Files with PHP

PHP offers a versatile option for including CSS files in your web pages, allowing you to separate your style elements from the HTML code. By utilizing this technique, you can maintain a cleaner and more organized codebase.

Question:

A user has encountered an issue while attempting to include a CSS file in their PHP code. Despite using the include function, the CSS code is displayed on the page. They seek guidance on how to properly import the CSS file using PHP.

Answer:

To successfully include a CSS file using PHP, you must surround the CSS content with a