How to deal with garbled Chinese characters in php

Solutions to garbled Chinese characters in php: 1. Use "header("content-type:text/html;charset = utf-8");" to solve the problem of garbled characters when there are Chinese characters in the output data; 2. Use "query('SET NAMES UTF8');" to solve the garbled characters.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

PHP Chinese garbled problem

I mainly used two methods here

The first one

is mainly used to solve echo, prin_r(), var_dump(), when the output data contains Chinese garbled characters question.

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

The second type

is mainly used to solve the problem of garbled characters in the database when there are Chinese characters.

$conn->query(‘SET NAMES UTF8’)
<?php
//连接数据库
$servername = &#39;数据库地址&#39;;
$username = &#39;用户名&#39;;
$password = &#39;密码&#39;;
$dbname = &#39;数据库名称&#39;;
$conn = mysqli_connect($servername,$username,$password,$dbname);
if(!$conn) {
    die(&#39;连接失败:&#39;.$conn->connect_error);
}
echo &#39;连接成功&#39;;
// 防止中文乱码
$conn->query(&#39;SET NAMES UTF8&#39;);

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