Passing arrays from HTML form to PHP

Question

This is the HTML:

 do 

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Answer 1

Combined array: array_map(null,$_POST['shortcut'],$_POST['ses']);

But you could of course could foreach over one of the 2, and fetch the other by key.

Note that if you have elements which may or may not be sent (checkboxes for instance), the only way to keep groups together is to assign them a number beforehand (name=sess[1], name=sess[2], etc.)