how to check if a $_FILE is set in php?

Question

I\'ve created a form with 3

I see that I get an array with array(name=>\"\").

So I check if (

Answer 1

The best way, assuming you're using a recent PHP (4.2+), is to check that:

$_FILE['myfilename']['error'] === UPLOAD_ERR_OK

If this is true the upload worked, you can see the list of other possible values here