What should I do if I decode garbled characters after PHP base64 encoding?

The solution to decoding garbled characters after PHP base64 encoding: When passing in GET form, just prevent the [ ] sign from being replaced with a space. The code is [$str = base64_decode(str_replace(" "," ",$ _GET['str']))].

##Solution to decoding garbled characters after PHP base64 encoding:

Sometimes use

base64_encode After encryption, it is transmitted to other pages in the form of GET. When decrypted with base64_decode, garbled characters appear.

When I encountered this problem, I was wondering why some could be decrypted correctly, but some were garbled?

After checking later, I found that there were some Chinese characters,

When passed in the form of GET, will be replaced with spaces .

In order to prevent garbled characters from appearing, I made a one-step substitution and then decrypted it. Sure enough, the problem of garbled characters no longer exists!

Now the problem is very simple, just write more Just one step

$str = base64_decode(str_replace(" ","+",$_GET['str']));

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