<?php
if($_POST['boxove'])
{
foreach($_POST['boxove'] AS $id => $k)
{
if($_POST['boxove'][$id] == "dancho")
{
echo "ID na klienta: $id <br />";
}
}
}
?>
<form method="POST">
<Input type="checkbox" value="dancho" name="boxove[1]"><br />
<Input type="checkbox" value="dancho" name="boxove[2]"><br />
<Input type="checkbox" value="dancho" name="boxove[3]"><br />
<Input type="checkbox" value="dancho" name="boxove[4]"><br />
<br />
<input type="submit" />
</form>