How to Correctly Include CSS Files in PHP

<h2>Including CSS Files in PHP</h2>

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">&lt;?php include 'header.php'; ?&gt;
&lt;?php include 'CSS/main.css'; ?&gt;
...</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 <style> element:

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

4. Remember that the include statement can also be used with CSS files that have the .css extension.

This method not only ensures that the CSS code is properly included but also allows for dynamic control over the styling of your page. PHP's inclusion capabilities within CSS files provide the flexibility to manage colors and other design aspects through variables.

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