Similar Threads

xF1 Add-on Similar Threads 5.3

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Compatible XF Versions
  1. 1.2
  2. 1.3
  3. 1.4
  4. 1.5

The Similar Threads add-on will do the following:
  • Show a list of similar threads when a user is creating a new thread
  • Show a list of similar threads when a user is viewing a thread
(Example of Similar Threads shown during thread creation)


(Example of Options page)


(Example of User Group Permissions)


  • Supports Standard Search.
  • Supports Enhanced Search if available.
  • Forum view permissions honored. If a member doesn't have permission to view certain forums, Similar Threads will exclude those forums.
  • All phrases start with similarthreads_ for your convenience.
  1. Download and unzip it.
  2. Upload the Andy folder to your server. The correct location is library/Andy.
  3. From your Admin Control Panel, go to the "Install Add-on" page.
  4. Upload the addon-SimilarThreads_v4.4.xml file.
  5. Click the Install Add-on button.
User Group Permissions:

Normally you will want to set "Allow" for the following two user groups:

Unregistered / Unconfirmed

Question and Answers:

Q: Will Enhanced Search be used automatically if available?
A: Yes.

Q: Is it worth installing Enhanced Search?
A: Yes. Enhanced Search returns more accurate similar thread results.

Q: Do I ever have to rebuild the search or thread indexes to use this add-on?
A: No.

Q: Does Enhanced Search exclude common words?
A: Yes. XenForo will index your thread titles with common words removed.

Q: Are thread titles and posts searched?
A: Only thread titles are searched.

Q: Is the "View threads by others" set to Revoke honored?
A: Only if Same Forum is selected in Options.

How the standard search works:
  1. Get new thread title
  2. Remove common words
  3. Remove words less than five characters
  4. Remove punctuation
  5. From remaining words select first two words and see if other threads contain these keywords
Keywords will match other thread titles in this priority:
  1. Both words
  2. first word
  3. second word
12.8 KB
First release
Last update
5.00 star(s) 1 ratings

More resources from AnimeHaxor

Latest updates

  1. See description

    On Jan 1, 2016 version 4.7 of this add-on was released to address an exploitable SQL injection...
  2. See description

    Similar Threads v5.3 changes: Fixed bug in code dealing with Create Thread.
  3. See description

    Similar Threads v5.1 changes: Fixed problem where Exclude Forums field in the Options page had...

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