[wp-hackers] How to detect WP upgrade or installation

Jeff Lambert jeff.lambert at jvhm.com
Mon Mar 12 18:52:36 UTC 2012

Couldn't you check for the existence of the .maintenance file?


On 3/12/12 11:39 AM, "Matt Slocum" <mattslocum at sharefaith.com> wrote:

> Hi,
> We have a bunch of customer websites, and occasionally one of them gets
> messed up install during a core WP upgrade. I haven't been able to
> pin-point what is going wrong. We've had a variety of problems from an
> incomplete upgrade (in random locations) to an update where the
> wp-config.php file gets cleared out (happened again today).
> I've got a plugin installed that does some file moving/manipulation/copying
> on a timed basis. I'm trying to rule out this plugin as a possible culprit.
> I've got a line of code already that I thought would stop it from running
> during a WP core update:
>     if ( defined( 'WP_INSTALLING' ) )
>         return false;
> I've been looking at the source
> code<http://phpxref.ftwr.co.uk/wordpress/nav.html?wp-admin/update-core.php.sou
> rce.html>,
> and this seems to be only defined during first-time WP installation and WP
> database upgrades. Also, while looking at the source code I'm not seeing
> how WP prevents multiple upgrade requests (ex. a user double clicks
> upgrade).
> I also added a line:
>         if (strstr($_SERVER["SCRIPT_NAME"], 'update-core.php') === false)
> return;
> but I'm not sure it will catch it either.
> Anyone have any insights on how to prevent things from happening during a
> WP core update?
> Thanks,
> Matt
> _______________________________________________
> wp-hackers mailing list
> wp-hackers at lists.automattic.com
> http://lists.automattic.com/mailman/listinfo/wp-hackers

More information about the wp-hackers mailing list