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HomeBackend DevelopmentPHP ProblemHow to use header() in php to set page encoding

How to use header() in php to set page encoding

May 21, 2021 pm 04:15 PM
header()phpPage encoding

In PHP, you can use the charset parameter in the header() function to set the page encoding. The syntax format is "header("content-type:text/html; charset=encoding method");".

How to use header() in php to set page encoding

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

The header() function sends the original header to the client HTTP header can be used to set the page encoding. Syntax:

header("content-type:text/html; charset=编码方式");

php header to define a php page as UTF encoding or GBK encoding

//php页面为utf编码
header("Content-type: text/html; charset=utf-8");
//php页面为gbk编码
header("Content-type: text/html; charset=gb2312");
//php页面为big5编码
header("Content-type: text/html; charset=big5");

Usually the above code is placed on the home page of the php page .

Description:

The header() function is used to send the information in the brackets to the http header.

If the content in the brackets is as mentioned in the article, the function is basically the same as the label. If you compare the first one, you will find that the characters are similar. But the difference is that if there is this function, the browser will always use the xxx encoding you requested and will never be disobedient, so this function is very useful.

Why is this so? Then we have to talk about the difference between HTTPS headers and HTML information:

The https header is a string sent by the server before transmitting HTML information to the browser using the HTTP protocol.

Because the meta tag belongs to html information, the content sent by header() reaches the browser first. The popular point is that header() has a higher priority than meta (I don’t know if this can be said).

Recommended learning: "PHP Video Tutorial"

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