Summary of solutions to php Chinese garbled characters

When many novice friends learn PHP, they find that the Chinese in the program will be garbled when output. So why does this garbled situation occur? Generally speaking, there are two reasons for the appearance of garbled characters. One is due to the incorrect encoding (charset) setting, which causes the browser to parse with the wrong encoding, resulting in a screen full of messy "heavenly books". The second is that the file is If you open it with the wrong encoding and then save it, for example, if a text file is originally encoded in GB2312 but is opened in UTF-8 encoding and then saved, garbled characters will appear. This article will show you how to solve the problem of garbled characters in PHP.

We divide the garbled code situations into the following types. If necessary, you can refer to the following situations to solve the garbled code problem in a targeted manner.

The first method: Solve the problem of Chinese garbled characters in HTML

If your HTML file has garbled characters, then you can add UTF8 encoding (international encoding) in the head tag: UTF-8 is a country-less encoding, that is, it is independent of any language and can be used in any language.

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

Example

For our current HTML5 file, setting the encoding is simpler, like the following

Second, HTML and PHP mixed page solution

How to mix HTML and PHP, in addition to following the operations mentioned in the first method, you also need to be at the top of the PHP file Add this code:

<?php
header("content-type:text/html;charset=utf-8");  //设置编码
 
?>

The third type, the problem of Chinese garbled characters in pure PHP pages (the data is static)

If your PHP page has garbled characters, just add it at the beginning of the page Just add the following code here.

<?php
header("content-type:text/html;charset=utf-8");  //设置编码
?>

The fourth type, PHP+Mysql Chinese garbled problem

In addition to following the third operation, you must also add it to the database before querying/modifying/adding your data. coding. Moreover, it is worth noting that the UTF8 here is different from the previous one, there is no horizontal line in the middle.

<?php
 mysql_query(&#39;SET NAMES UTF8&#39;);
 //接下来的就是查出数据或者修改，增加
?>

If you are using MySQL version 4.1 or higher, you can set a character encoding after the link database operation, like the following

UTF-8 encoding is just one of the encodings. If you don’t want to use UTF-8 encoding, you can also use other encodings. Just replace UTF-8 with the encoding you want to use. Currently, GB2312 is mainly used in Chinese website development. and UTF-8 two encodings.

One thing to note: the mysql_query("set names 'coding'"); encoding added before the PHP program that needs to perform database operations must be consistent with the PHP encoding. If the PHP encoding is gb2312, then the mysql encoding It is gb2312. If it is utf-8, then the mysql encoding is utf8, so that there will be no garbled characters when inserting or retrieving data.

Related recommendations:

Solution to the problem of Chinese garbled characters in Ajax transmission

How PHP solves the problem of Chinese garbled characters in MySQL stored data

Detailed explanation of Chinese garbled problem in mysql database

The above is the detailed content of Summary of solutions to php Chinese garbled characters. For more information, please follow other related articles on the PHP Chinese website!