Garbled characters appear in php text replacement

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) to the head tag: UTF-8 has no national 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"/>

Second: HTML and PHP mixed page solution

How to mix HTML and PHP, in addition to following the operations mentioned in the first method In addition, you also need to 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: Chinese garbled problem in pure PHP pages (the data is static)

If your PHP page has garbled characters, just 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 operations mentioned in the third type, you also need to query/modify your data /Add database encoding before adding. 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
?>

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, the Chinese website The two encodings mainly used in development are GB2312 and UTF-8.

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 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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