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[PHP] Using $_FILES as conditional along with $_POST

Hello all:
Thanks for just being here....

I had a very vexing problem and in composing the text of the question
I hit on the answer to the problem an the solution.

It involves the html form attribute enctype="multipart/form-data"
used for uploading files to the server, and the $_FILES superglobal.

It appears that php creates the $_FILES global when it sees this
enctype header in a post request, whether or not there are files
to be uploaded.


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