Using an HTML checkbox to put 1 or 0 into a MySQL table

Question

I am using a simple HTML checkbox in a form to put a 1 for checked and a 0 for unchecked in a field called \"subcheck\" in a MySQL table.

Does the checkbox default t

Answer 1

If Checkbox is unchecked then $subcheck is not submited at all.

In PHP you should write:

if !(isset($_POST['subcheck']))
  $subcheck = 0;

mysql_query("INSERT INTO submission VALUES (NULL, '$uid', '$title', '$slug', '$cleanurl', '$displayurl', NULL, '$subcheck')");