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I have the following code:
<form>
.............
<?php
if (!isset($_FILES['before']['name'] || !isset($_FILES['after']['name'])
echo '<input type="submit" value="Show Image">'
else
echo '<input type="submit" value="Upload">'
?>
</form>
in my postback how do I check whether it’s one or the other?
You give both submit buttons the same
nameand then check its value in the postback with…