Just CPU time to make all of the new variables.

---John Holmes...

>  -----Original Message-----
>  From: John Hughes [mailto:jlhughes@[...].com]
>  Sent: Thursday, May 02, 2002 9:58 PM
>  To: Philip Olson; php-general@[...].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@[...].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
>  >
>  >
>  
>  
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