What to do if the php pop-up box is garbled

The solution to the garbled pop-up box in php: first find the encoding format in the editor; then add the code statement at the top of php as "header("Content-Type: text/html;charset=utf-8" );" and save it.

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Why garbled characters appear in the php pop-up box

Solution to the garbled code in the JS pop-up box written in php:

First, find the encoding format in your editor. Set to utf-8 format, most encodings now use this. Of course, there is also GB2312/

Then,

At the top of php, add

header("Content-Type: text/html;charset=gb2312");

or

header("Content-Type: text/html;charset=utf-8");

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