PHP に CSS を含める方法: 詳細ガイド

Including CSS Files with PHP: A Comprehensive Guide

When working with web development, incorporating CSS styles into your PHP code is essential for managing the presentation of your pages. However, it's commonly known that including CSS files using HTML code is the standard approach. In this article, we'll delve into a PHP-based solution to help you understand how to import CSS files directly into your PHP code.

The Problem: PHP Echoing CSS Code

As you mentioned in your query, attempts to include CSS files using PHP's include statement have resulted in the actual CSS code being printed on the page instead of being applied to the page's styling. This behavior can be frustrating and hinder your ability to manage CSS effectively.

The Solution: Enclosing CSS in a Style Tag

The key to successfully importing CSS files with PHP lies in enclosing the CSS content within a

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

By surrounding the PHP include statement for the CSS file with

Additional Notes:

• PHP Inclusion Compatibility with CSS Files: It's worth noting that PHP's include can be used with files ending in .css. This allows you to maintain the original file extension without the need for renaming.
• PHP variables in CSS: Including CSS files with PHP also opens up the possibility of using PHP variables within your CSS code. This can be particularly useful for organizing colors and other design elements as variables.

Conclusion:

By implementing the above solution, you can effectively import CSS files using PHP code and seamlessly control the styling of your PHP-based web pages. Remember to enclose your CSS content within a

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