How to deal with garbled characters in php

Methods to deal with garbled characters in php

First method: Method to solve the problem of Chinese garbled characters in HTML

If your HTML file is garbled, you can add UTF8 encoding (international encoding) in the head tag: UTF-8 is a country-less encoding, which 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 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 operations mentioned in the third type, you must also add database encoding before your data query/modification/add. . 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.

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