Get Checkbox Data error

[MGLP]

In my form file I have 

[<input type=\"checkbox\" name=\"stove\" id=\"stove\" value=\"y\">]

I use [method=\"POST\"] on Submit.

In my next file I have [$stove=$_POST['stove'];]  which works fine if the box was checked

but if the box was not checked, I get error

 "Notice: Undefined index: stove in...."

How can I test if the checkbox has been checked?

Tks

[dsonesuk]

<?php
$stove="";
if(isset($_POST['stove'])){
$stove=$_POST['stove'];
}

 

[MGLP]

Many thanks.  Works beautifully!