Suppose this checkbox snippet:
<input type="checkbox" value="1">Is it worth?</input>
I hope I understand your question right.
The value attribute defines a value which is sent by a POST request (i.e. You have an HTML form submitted to a server). Now the server gets the name (if defined) and the value.
<form method="post" action="urlofserver"> <input type="checkbox" name="mycheckbox" value="1">Is it worth?</input> </form>
The server would receive
mycheckbox with the value of
in PHP, this POST variable is stored in an array as
$_POST['mycheckbox'] which contains