Character Encoding in $_GET Method

By Sergey Skudaev

+++++

I passed in GET method the string '%Cables' and it was displayed as a special character and not as '%Cables'. Then I tried all the rest characters with % to see what I get
click "Click here" link below.


'%A'
'%B'
'%D'
and so on...		 '%Aa'
'%Ba'
'%Da'
and so on...		 '%Ab'
'%Bb'
'%Db'
and so on...

% with one character is passed without changes:

% with 2 characters where the second is a is passed with changes. htmlspecialchars does not help!

% with 2 characters where the second is b is passed with changes:


Click here

On this page I use charset=iso-8859-1. How do you explain that?


ASCII for ord(%)=37
ASCII for ord(A)=65
ASCII for ord(a)=97
ASCII for ord(getaa)=37
ASCII for ord(%Aa)=37
Char for chr(170)= ª and it is what we get from GET method when passing %Aa.
35 + 67 + 97=199 and not 170
Char for chr(199)=Ç
Why ASCII for ord(Array(%Aa))=170 and not 199?

















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