Paying attention to this line: > Also if I use !isset it returns true with a null value for $theme
Well this is clear in the manual: isset() will return FALSE if testing a variable that has been set to NULL So !isset($a_Null) = !FALSE = TRUE >From PHP Manual ============= $var = 0; if (empty($var)) { // evaluates true echo '$var is either 0 or not set at all'; } if (!isset($var)) { // evaluates false echo '$var is not set at all'; } Read manual: empty() and isset() -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php