WP_w3all for WordPress MS MU (Multisite, Multiuser network installations)

To configure WP_w3all on WordPress MS MU please read all the follow:

WP_w3ll plugin from 1.7.0 – WordPress MU MS  . The plugin can be also network activated, but the linked phpBB on each subsite, need to be the same (same path and same url setting value). If plugin is network activated, it is mandatory that the sub admin or super admin, setup/configure  into (each) subsite the same config of the main site for the integration plugin, because if not, when an user login into a subsite where the plugin is not configured, the phpBB cookie will not be released, and when same logged user visit the main site or another subsite where the plugin run instead configured, the user will be logged out. Registered phpBB users are added as users only into the FIRST WP site (or subsite) where users will login or that they will visits while coming already logged in into phpBB. *You could use a plugin to add coming phpBB logged users, into each or just few WordPress site/subsites they visits, see more below.

OPEN wp_config.php file:

search for line (value wp_ can be maybe different):

immediately after ADD:

 

BEWARE that if a different phpBB is linked on subsites, the integration in this state lead to unpredictable results! … in true it is very predictable what can happen, but really long to explain and too hard for my Eng! In short, it is NOT possible to link a different phpBB into WP network subsites with actual code.
Setup into sub-sites, if the plugin is network activated, same path and url in WP_w3all config, with same values of main site.

NOTE (advanced): WP_w3all phpBB integration plugin when an user is deleted in WordPress (so it become deactivated in phpBB, and then you may go to delete this user in phpBB) also clean up from signup table in WordPress this user. This is necessary for compatibility (as the code is) with phpBB integration to avoid that another user register with same email into phpBB (if you allow users to register also on phpBB side, and you have also deleted this user also in phpBB) while the user has been deleted in WP, but his email/username remain stored into WP database signups table for some more time.

*Hint: you could use a plugin to add coming phpBB logged users, into each WordPress they visits, or just to few, and with several different features:  search for Join My Multisite plugin at WordPress plugins directory.

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