(isset($_POST[Submit])) is this the way to check a submission image
to
see
if it's been set?
Nope. Try the manual:
IMAGE SUBMIT variable names
When submitting a form, it is possible to use an image instead of the
standard submit button with a tag like:
input type=image src=image.gif name=sub
When the user clicks somewhere on the image, the accompanying form will
be transmitted to the server with two additional variables, sub_x and
sub_y. These contain the coordinates of the user click within the image.
The experienced may note that the actual variable names sent by the
browser contains a period rather than an underscore, but PHP converts
the period to an underscore automatically.
So you'll have $_POST['Submit_x'] and $_POST['Submit_y'] and you can
check for either to see if the image was clicked.
---John Holmes...
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