[wp-hackers] Upgrading a plugin that works on WP 2.9.2 to work with WP 3.0.1+

[Dustin Lennon]

That is correct, I don't have my entire script linked in that url.  I have
not provided the source to admin/ffxi_admin.php.

I have updated my source at the previous URL to add the require_once back
into the picture, though I think now when I try to activate the plugin, all
it will provide me is a white screen and me unknown as to what the error
might be. (and that is the case after I just performed it)

I'll see if I can locate how to make use of that Xdebug.

-Dustin

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-----Original Message-----
From: wp-hackers-bounces at lists.automattic.com
[mailto:wp-hackers-bounces at lists.automattic.com] On Behalf Of Austin Matzko
Sent: Thursday, September 09, 2010 7:57 PM
To: wp-hackers at lists.automattic.com
Subject: Re: [wp-hackers] Upgrading a plugin that works on WP 2.9.2 to work
with WP 3.0.1+

On Thu, Sep 9, 2010 at 6:36 PM, Dustin Lennon <demonicpagan at gmail.com>
wrote:
> I'm still at a loss at how to get my plugin to activate without errors. Is
> there anything, anything at all that I can do to my code to help me out?
The
> WP Codex hasn't been updated in how to write plugins that use a database
to
> store values. I do know that in the codex that it still mentions using
> require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); and that is
> deprecated. Having it in my code originally cased it to show a white page
> after plugin activation.
>
> Right now, I have a plugin that says it creates a fatal error, what fatal
> error I don't know as it don't give any more information and am unsure
> whether or not if I do any plugin updates, it updates the MySQL tables.
>
> Plugin source: http://stelth2000inc.com/ffxi.phps

Hello Dustin,

If you want to learn more about the PHP error messages, try installing
something like Xdebug on your dev machine.  Xdebug is a PHP extension
that gives you lots of additional information when PHP prints errors.

When I try to activate your plugin from the code linked to above, I
get a bunch of PHP notices telling me about all the deprecated calls
you're making, and a warning and fatal error:
 * Warning: The plugin tries to include a file that doesn't exist, on
line 43: /admin/ffxi_admin.php.  (Perhaps this is part of the plugin
but not linked to above.)
 * Fatal Error: It calls dbDelta, which is undefined.

dbDelta is defined in wp-admin/includes/upgrade.php, so you may need
to include a line like the following in your plugin:

require_once ABSPATH . 'wp-admin/includes/upgrade.php';
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