How to modify the character set in php

How to modify the character set in php: directly add the code [header('Content-type:text/html;charset=utf-8');] in the php file. Single-byte encodings and multi-byte encodings can be safely used by PHP.

If there is a problem with the character encoding displayed in the php file in the browser, then you only need to make the following settings in the php file

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<?php
// 服务器读取的  编码设置
header(&#39;Content-type:text/html;charset=utf-8&#39;);
?>

php character encoding requirements:

The following types of encoding can be used safely by PHP.

Single-byte encoding

ASCII compatible (ISO646 compatible), mapping character sets in the range of 00h to 7fh.

Multi-byte encoding

ASCII compatible, mapping character sets in the range of 00h to 7fh. Do not use ISO2022 escape sequences. A single character is expressed in any compound byte, and the values ​​00h to 7fh are not used.

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