How to make PHP and CSS modifications

In website development, PHP and CSS are two commonly used technologies. Among them, PHP is mainly used for back-end development, while CSS is used for front-end development. During the development process, we often need to modify the PHP and CSS in the website. This article will discuss how to make PHP and CSS modifications.

1. Modify PHP

PHP is a server-side scripting language used for dynamic website development. In website development, modification of PHP files is usually divided into two situations: modifying existing PHP files and adding new PHP files.

1. Modify existing PHP files

If we need to modify existing PHP files, we can follow the following steps:

1) Find the PHP file that needs to be modified, usually in the root directory of the server's website or in the specified directory.

2) Use a text editor (such as Notepad) to open the PHP file that needs to be modified.

3) Modify as needed and save the modified file.

It should be noted that when modifying PHP files, ensure correct syntax and clear logic to ensure the maintainability of the code.

2. Add a new PHP file

If we need to add a new PHP file, we can follow the following steps:

1) In the location where the website is located directory, create a new PHP file.

2) Use a text editor (such as Notepad) to open the newly created PHP file.

3) Write the required code, paying attention to correct grammar and clear logic.

4) Save the newly created PHP file.

2. Modify CSS

CSS is a language used for web page style design, mainly used for front-end development. In website development, we often need to modify the CSS of the website.

1. Modify existing CSS files

If we need to modify existing CSS files, we can follow the following steps:

1) Find the CSS file that needs to be modified, usually in the

tag of the web page or in a separate CSS file.

2) Use a text editor (such as Notepad) to open the CSS file that needs to be modified.

3) Modify as needed and save the modified file.

It should be noted that when modifying CSS files, ensure that the CSS syntax is correct and standardized to ensure that the style is clean and easy to maintain.

2. Modify CSS in HTML files

In addition to directly modifying CSS files, we can also directly modify CSS in HTML files. The specific steps are as follows:

1) Find the HTML file that needs to be modified, usually in the root directory of the server's website or in a specified directory.

2) Modify the CSS style in the HTML file as follows:

nbsp;html>


    <style>
        /* 在这里编写需要修改的CSS样式 */
    </style>


    <!-- 在这里添加HTML代码 -->

3. Summary

In website development, PHP and CSS are two very important technologies. . Modifying PHP and CSS files is a common operation in website development. Whether you are modifying existing PHP and CSS files or adding new PHP and CSS files, you need to pay attention to correct syntax and clear logic to ensure the maintainability of the code. At the same time, we can also directly modify the CSS style in the HTML file to meet special needs.

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