>This function I don't get at all, I hear all the time, "if you want to >practice smart coding then turn register globals off, and be sure you keep >query data out of your script that is not set or defined with something >expected". So why would there be a function that returns true or false, $var >is empty even if $var is not defined!
It's just a shorthand that helps avoid tests like the one below, common in a user input validation situation: (!isset($_POST['var']) || ($_POST['var'] == '')) Instead, you can use: empty($_POST['var']) --------------------------------------------------------------------- michal migurski- contact info and pgp key: sf/ca http://mike.teczno.com/contact.html -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php