How to modify program style through php file

PHP is a scripting language mainly used for developing web applications. In web applications, HTML, CSS, and JavaScript are often used to develop user interfaces. Therefore, if you want to modify the style of PHP files, you need to know some basic HTML and CSS knowledge. This article will introduce how to change the style of web applications by modifying PHP files.

1. What is a PHP file

A PHP file is a text file that contains a PHP script. A PHP script is a set of instructions that can be run on a server and generate HTML code. Simply put, a PHP file is an HTML file containing dynamic content, and content generation can be controlled through PHP scripts.

2. How to modify the style of PHP files

1. Use CSS style sheet

CSS is the abbreviation of Cascading Style Sheet, which is used to control the appearance of HTML documents. Markup language. You can easily modify the appearance of your web application by adding CSS style sheets in your PHP files.

For example, you can add the following code in the PHP file to link a CSS style sheet:

<link rel="stylesheet" type="text/css" href="style.css" />

In this code snippet, "style.css" is the file name of the CSS style sheet. By adding this link, the PHP file can use the styles in the CSS style sheet.

Next, we can define the style in the CSS style sheet, for example:

body {
    background-color: #f1f1f1;
}

h1 {
    color: red;
    text-align: center;
}

In this way, the background color of the web page becomes light gray, the color of the title becomes red, and The title is centered.

In this way, we can use CSS style sheets to modify the style of PHP files to achieve various effects.

2. Add styles directly to the PHP file

In the PHP file, you can also add styles directly. For example:

<p style="color: blue;">这是一段蓝色的文字。</p>

In this code, we use the style attribute to define the color of this text as blue. In this way, styles can be added directly to the PHP file to quickly modify the style.

3. Summary

Through the above introduction, we can know how to modify the style of the Web application by modifying the PHP file. Using CSS style sheets can make the code logic clearer and easier to maintain. By adding styles directly in PHP files, you can quickly modify styles to achieve rapid debugging. I hope this article can help readers who need to modify the PHP file style.

The above is the detailed content of How to modify program style through php file. For more information, please follow other related articles on the PHP Chinese website!