RE: [PHP] Re: tutorial on global variables

Just CPU time to make all of the new variables. ---John Holmes... > -----Original Message----- > From: John Hughes [mailto:jlhughes@yahoo.com] > Sent: Thursday, May 02, 2002 9:58 PM > To: Philip Olson; php-general@lists.php.net > Subject: Re: [PHP] Re: tutorial on global variables > > After reviewing > > http://www.php.net/manual/en/function.import-request-variables.php I > was wondering if simply including this line at the top of all scripts > > import_request_variables("gP", ""); > > would eliminate the potential problem I would have if > register_globals gets turned off unexpectedly? > > Other than the security reasons, is there any disadvantage to adding > this line? > > John Hughes > > --- Philip Olson <philip@cornado.com> wrote: > > > I have several scripts that take it for granted PHP will assign > > > variables to the information in the URL as in your example $a > > from > > > example.com/foo.php?a=apple > > > > Okay, so they depend on the behavior that register_globals > > provides. > > > > > Will these scripts fail when my commercial Web host upgrades > > > from PHP 4.1.x to 4.2? > > > > It's not a matter of PHP versions, it's a matter of a > > simple PHP directive. PHP 4.2.0 defaults to > > register_globals = off, this does not mean a host > > has to go by this default. Ask them if it will be > > changing, odds are it will not without a warning. > > > > > If so, can I 'upgrade' my scripts now (again, PHP 4.1.x) to use > > > $food = $_GET['a'] or $food = $_POST['a'] and prevent everything > > > from crashing when PHP 4.2 is installed? > > > > Yes you can. I eluded to import_request_variables() and > > extract(), two functions that will allow you to do such > > things. Please look them up in the manual (links below). > > Also consider $_REQUEST, see the manual for details. > > > > Also note that if you really want register_globals = on > > and the host has it off, you _may_ (depending on the hosts > > configurations) be able to use .htaccess (or equivalent) > > with something like: > > > > php_flag register_globals on > > > > Yes there are a lot of options, variety is the spice of life. > > > > Regards, > > Philip Olson > > > > > > > __________________________________________________ > Do You Yahoo!? > Yahoo! Health - your guide to health and wellness > http://health.yahoo.com > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php