Re: config.php ordering problem

On 5/16/04 10:12 AM, "Joe Stewart" <[email protected]> wrote:

> On Sun, May 16, 2004 at 12:43:35AM -0600, Dave Reid wrote:
>> Hi, I've been working with back-end for awhile. I've run into a config.php
>> problem and Mike Gifford suggested I follow it up here.
>> 
>> The symptom is that when $_PSL['timezone']['engine'] is true, any errors
>> logging in via login.php cause a blank page to be returned.
>> 
>> The problem is this:
>> 
>> BE extends functions.inc getHeader() to add current date to the template.
>>  This uses psl_dateLong(), which uses psl_strftime(), which needs the tz
>>  library and classes if $_PSL['timezone']['engine'] is set.
>> 
>> Trouble is, config.php calls page_open() _before_ the AddClassRequirement()
>> and AddLibraryRequirement() calls for tz and friends. In the case of a posted
>> bad username or password, page_open() tries to render the login form which
>> causes getHeader() to be called, and the tz library call blows up.
>> 
>> So my question is - why are some of the Add*Requirement() calls (particularly
>> the ones for tz et al) in config.php after the page_open? I see in
>> phpslash-dev CVS config-dist.php that this is still true. What would be the
>> implications of moving these Add*Requirement() calls to before page_open()?
>> 
> 
> The idea was that the configuration that could be saved in a session
> would be done so.  It hasn't been done yet.
> 
> So that is why some of them are after the page_open.  It sounds like you
> found a couple that need to be moved.  Don't move all of them yet.
> 
> We also cache at the minimum required too.  Extra code running before
> the cache does slow it down.  BE took out the option cache at the top of
> config.php.  The caching in the -dev cvs has been optimized more.
> 
> Matthew might have more to add.
> 
> Joe

No, that sounds right.  We put the "minimal" set of classes/libraries to get
the page open.  I guess the timezone stuff belongs to that, especially if
your login form has a date/time in it!

-- 
Matthew Leingang
Preceptor in Mathematics, Harvard University
leingang-c2Vpf+SSmYbWs/[email protected]



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