[PHP] mysql update query

[Greg Sidelinger]

I'm having trouble getting an update query to work
 
Here is what I'm doing
 
$result = mysql_query("update table set value1='$value1',
value2='$value2' where id='$id'");
 
It is not updating the database.  All the $vars have values and I'm
using the correct columns names.  Could someone please point me in the
correct direction because I have been trying different things for a
while but can't seem to get it to work.
 
Greg