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How to solve the problem of Chinese garbled characters in PHP?
How to solve the problem of Chinese garbled characters in PHP?
Why do Chinese garbled characters appear?
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 situation 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 type: Solve the Chinese in HTML Methods for garbled code problem
If your HTML file has garbled code problem, then you can add UTF8 encoding (international encoding) in the head tag: UTF-8 is an encoding without country, that is Independent of any language, any language can be used.
<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 Add this code at the top of the PHP file:
<?php
header("content-type:text/html;charset=utf-8"); //设置编码
?>The third type, the Chinese garbled problem of pure PHP pages (the data is static)
If your The PHP page has garbled characters. You only need to add the following code at the beginning of the page.
<?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 also need to Add database encoding before querying/modifying/adding your data. 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('SET NAMES UTF8');
//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, Chinese website development The two main encodings used are GB2312 and UTF-8.
One thing to note is that the mysql_query("set names 'coding'"); code added before the PHP program that needs to perform database operations must be consistent with the PHP coding. If the PHP coding is gb2312, then mysql The encoding 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]
1. HTML5 video tutorial: "php.cn original html5 video tutorial"
2. PHP video tutorial: "php.cn Dugu Jiujian (4)-php Video tutorial》
3. PHP practical video tutorial
The above is the detailed content of How to solve the problem of Chinese garbled characters in PHP?. For more information, please follow other related articles on the PHP Chinese website!
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