Hi breckenr. Welcome to the Backdrop CMS forum.
I'm not sure what might be producing the Deprecation notices. To get rid of those temporarily you can probably revert to PHP 7.4.
As...
Posted11 hours 18 min ago by Alejandro Cremaschi (argiepiano) on:
The database connection settings have been simplified in recent releases, so may look a little different than what Steve mentions (which should still work, if you prefer that format). See here...
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Yes you are right integrating phpBB forum is quite easy as compared
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So you are looking for module to integrate with phpBB.
I can write a module to integrate with CMS
There is an Alpha version of the D7 module here >> https://www.drupal.org/project/phpbbforum
But the real trick is the modification to phpBB; it used to be a MOD ( http://drupalbridge.org/files/phpbbdrupalbridge-3.0.10.zip ) but those have been deprecated. They are now Extensions - https://www.phpbb.com/extensions/ - and would require a recoding..
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