nginx php set encoding

In the process of building a web server using Nginx and PHP, we often encounter the problem of garbled Chinese characters. This is because Nginx and PHP do not automatically handle Chinese encoding by default, and we need to manually set it to display Chinese normally. This article will introduce how to set encoding in Nginx and PHP to solve the problem of Chinese garbled characters.

1. Nginx setting encoding

Setting the encoding in Nginx needs to be done in the configuration file. By editing the Nginx configuration file, we can modify the Content-Type of the response header to set the Chinese encoding.

1. Open the configuration file

Use a text editor to open the Nginx configuration file. The general path is: /etc/nginx/nginx.conf. You can use the following command to open it:

sudo vi /etc/nginx/nginx.conf

2. Modify the configuration file

Add the following configuration to http:

charset utf-8;

This configuration will add Content-Type: text/ in the response header html; charset=utf-8, tells the browser that the returned text is UTF-8 encoded. We can also set other encodings as needed.

3. Restart the Nginx server

After modifying the configuration file, you need to restart the Nginx server to take effect. You can use the following command to restart Nginx:

sudo service nginx restart

2. PHP setting encoding

There are many ways to set encoding in PHP, which can be set in the php.ini configuration file or dynamically in the code set up. Here are two commonly used methods.

1. Set in php.ini

There is a default_charset option in PHP's configuration file php.ini, which can be used to set the default encoding. You can follow the following steps to set it up:

1) Find the php.ini file, which is usually located in the /etc/php/PHP version/ directory, such as /etc/php/7.2.

2) Open the php.ini file and find the following line:

;default_charset =

3) Remove the semicolon and set the encoding, such as:

default_charset = "utf-8"

4) Save And close the php.ini file, and then restart the PHP-FPM service to make the changes take effect.

2. Set in the code

If you don’t want to modify the php.ini file, you can also set it dynamically in the code. You can use PHP's header function to set the value of Content-Type to the specified encoding.

For example, to set the encoding to UTF-8, you can use the following code:

header('Content-Type: text/html; charset=utf-8');

This function must be called before outputting any content, otherwise a "header already sent" error will occur.

3. Summary

In the process of building a web server using Nginx and PHP, encoding setting is a very important step. If the setting is improper, the problem of Chinese garbled characters may easily occur. By setting the encoding in Nginx and PHP, you can easily solve the problem of Chinese garbled characters and improve the performance and stability of the web server.

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