Completely solve the refer encoding problem_PHP tutorial

Just add the following code to your web page to track who connects to your web page:
The reverse tracking of this web page is more suitable to be placed on the main web page of the blog.

Please use the following code for UTF-8 encoding:

GB Chinese character encoding, users of blogcn blogbus, please use the following code:

A very rough solution to UTF- 8 Regarding the conversion between GB2312 and GB2312, please put forward your opinions and suggestions so that I can revise them when I have time.

I added 3 sentences:

$dtittmp = $dtit;
$dtit = $converter->convert($dtit);
unless ($dtit) { $dtit = $dtittmp; }