Hello Diana, Friday, February 25, 2005, 7:07:29 AM, you wrote: D> on which page of php.net can I find out what this code does? D> $a = $b? $a :"dian"; It's called a ternary operator, basically an if-else statement. There really isn't a page (that I've found) that explains in on php.net, but check out the user contributed notes on this page. http://us4.php.net/manual/en/control-structures.alternative-syntax.php -- Leif (TB lists moderator and fellow end user). Using The Bat! 3.0.2.3 Rush under Windows XP 5.1 Build 2600 Service Pack 2 on a Pentium 4 2GHz with 512MB -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php