random thoughts to oil the mind

Tag: phpBB

Migrating phpBB to NodeBB

I recently set about migrating an aging phpBB forum to NodeBB and ran into enough problems that I considered cancelling the whole project.

The phpBB exporter script has been updated various times, and I managed to find a fork which appears to work with phpBB 3.2. Unfortunately, it refused to install itself correctly and appeared to land in the wrong directory, so I had to manually clone the Github project into the expected subdirectory.

And bingo! The import worked, and after disabling/deleting unnecessary plugins and updating NodeBB to the latest branch, the majority of things were working as expected. A few things remain to be fixed, in particular navigating mongodb’s structure to perform a few custom replacements where the import script had trouble deciphering bbcode.

Fortunately StackOverflow provided a good start:

var bulk = db.getCollection('objects').initializeUnorderedBulkOp();
var count = 0;
db.getCollection('objects').find({$and: [{_key:{$regex: /^post:\d+$/}}, {content: {$regex: /<size size="150">(.*?)<\/size>/}}]}).forEach(function(entry){
    var newContent = entry.content.replace(/^<size size="150">(.*?)<\/size>/gm, "## $1");
    bulk.find( { _key: entry._key } ).updateOne( { 
        $set: { 'content': newContent } 
    if (count % 100 === 0) {
        // Execute per 100 operations and re-init
        bulk = db.getCollection('objects').initializeUnorderedBulkOp();
        count = 0;

// Clean up queue
if (count > 0)  bulk.execute();

Using this I was able to find and replace those tags which had been missed and replace them with valid markdown.

[Photo by Kobu Agency on Unsplash]

Changing Your phpBB3 Domain

If like me you’ve decided at some point to move your phpBB install to a new domain or location within a domain, there are a number of little hurdles to jump before you can successfully consider the move complete. Here’s my short one-two-three guide for getting your forum moved over to a new address.

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