JD> isset checks to see if the $a variable has
JD> been set, ie, if it exists. if($a) checks for
JD> the truthood of $a, meaning, if it has a
JD> non-zero, non-null/empty-string value, then
JD> its true, else, false.
... and if it's not set at all it returns a
warning unless you use "@" :(
--
Andrew Perevodchik
[EMAIL PROTECTED]
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
To contact the list administrators, e-mail: [EMAIL PROTECTED]
