On Monday 27 October 2003 20:47, Burhan Khalid wrote: > The notice is basically saying that you are trying to assign a value to > a variable for an index that doesn't exist (so the value of the variable > can't be guaranteed). > > One way is to verify that the index exists before you assign its value > to a variable. This is my favorite way : > > $var = isset($_POST['key']) ? $_POST['key'] : NULL; > > You might also want to check out extract() -- which does the same thing.
extract() does NOT do the 'same' thing. extract() blindly extracts everything in $_POST (or $_GET if you're using that) into the variable space. This allows a malicious user to inject variables that you may not have anticipated and thus defeats the purpose on having register_globals = off. > By the way -- pat yourself on the back for going with > error_reporting(E_ALL). Its one of the first steps towards effective > programming. :) I second that. -- Jason Wong -> Gremlins Associates -> www.gremlins.biz Open Source Software Systems Integrators * Web Design & Hosting * Internet & Intranet Applications Development * ------------------------------------------ Search the list archives before you post http://marc.theaimsgroup.com/?l=php-general ------------------------------------------ /* In the eyes of my dog, I'm a man. -- Martin Mull */ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
