RE: php and mysql help md5 hash...
Sure is....you need WDZ or some other MySQL/PHP expert for the ins and outs though.
Im guessing that in the filename on the board, the md5 sum will include the .jpg, so the user wont even know its a jpeg. You could include the content type in the mysql table as well if you wanted to use the function out side of the watermark.php function e.g. for a download script to keep track of downloads etc.
I can't tell you much (coz i dont know and im not going to pretend) but I can tell you that it certainly is possible.
Tah,
Hah
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