Uppercase lowercase to convert each other

Uppercase lowercase convert to each other
PHP base64 are now encoded differently on the client and server side
For example, the server side is agvsbg8=
So the client is agvsbg8= . How can I convert case?
What I do now is to traverse the ASCII code of each byte, determine the size, and then decide to add minus 32.
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This post was last edited by xuzuning on 2012-11-21 11:18:53

A binary inside code is expressed as 000001
A binary inside code is expressed as 100001
Space binary inside code expressed as 100000

So the letter and the space are different or after the exact change case

How clever is the creator of the visible ASCII code!

