from_charset is used to transcode a string from a given charset to the internal charset.
This is the exact opposite of the to_charset modifier.
|Parameter Position||Type||Required||Possible Values||Default||Description|
||The charset encoding the value is supposed to be decoded from|
Charset encoding should be handled by the application itself. This modifier should only be used in cases where the application cannot anticipate that a certain string is required in another encoding.