<<< unrelated lines above >>>
/** We are now connected via the access variable **/
/** Make that query! **/
$query = "SELECT last_visit FROM $table WHERE email='$email' LIMIT 1";
$result = mysql_query("$query");
/** Did we find it? **/
if(mysql_numrows($result) == 0){
echo "We did not find $email in our database. Please go back and resubmit the form.";
exit(0);
} // end if
/** Timestamp the user's account **/
$time = time();
mysql_query("UPDATE $table SET last_visit=$time WHERE email='$email' LIMIT 1") or die(mysql_error());
<<< unrelated lines below >>>