如何在 PHP 中正確包含 CSS 文件

Including CSS Files in PHP

When attempting to include CSS files using PHP code, some users may encounter an issue where the CSS code is printed on the page instead of being applied as a stylesheet. This can occur when the CSS file is included without the necessary HTML syntax to define a style element.

To correctly include a CSS file using PHP, follow these steps:

1. Create a PHP file, such as index.php, to include your CSS:

<code class="php"><?php include 'header.php'; ?>
<?php include 'CSS/main.css'; ?>
...</code>

2. Utilize the include statement to incorporate both your header.php and your CSS file, main.css.
3. Enclose the CSS code within a