What should I do if php form submission displays garbled characters?

The solution to the garbled code displayed in PHP form submission: first determine the encoding method of the transmitted data; then use the header to declare "header("Content-type:text/html;charset=utf-8");"; finally Just declare the same encoding method on the receiving page.

The operating environment of this tutorial: Windows 7 system, PHP version 7.1. This method is suitable for all brands of computers.

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First you determine the encoding method of the data you pass

You can use the header to declare header("Content-type :text/html;charset=utf-8");

Secondly, if the receiving page wants to be displayed normally, it must also have the same encoding method statement

Secondly, the encoding method is not in httpd.conf There is a charset setting in php.conf. This is just the default method. It is the most important to declare the encoding method in your page.

Summary method:

1, use utf-8 for all ;

2, the file is stored as utf-8 without bom header;

3, the database uses utf-8 general ci;

4, the Chinese in the url must be rawurlencode;

5, do not decode when parsing;

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