For each post type in your WordPress, T2TU will allow you to assign taxonomy to be updated with keywords pulled from the title of the post..
WP Plugin Repository icon and banner were both made with the contribution of Muharrem Fevzi Çelik @ The Noun Project ...
There is list of stop words, pre-populated with host of common words.
Simply delete the list of stop words, and Title to Tags will replace the list with its default stop words collection ..
It does not perform the in the act of creation of the post, but in the action of click update post, or publish post, should serve for the majority of people, but there are lot that uses import plugins with post scheduling...
Browse the code, check out SVN repository, or subscribe to the development log by RSS...
Error checking not turned on. ~ NOTE I am aware of the issue with this plugin not working in 3.0 and the next release will correct this issue.
Not sure how this will affect the 2.x users out there, but will make SVN just in case. 3.0.1 ~ Noticed some improvements to be made to the efficiency of the code.
getStopWords is now the function used to get the stop words anywhere they appear . 3.2 ~ Rearranging lot of the code, user-defined stop words were being ignored. 3.3 New version now on GitHub..
~Version also checked to be compatible with WP 4.4 4.0 ~ Changed name to Titles to Terms Ultimate, reflecting updated code. ~ T2TU now allows one taxonomy per post type to be auto-populated by title-generated terms. ~ User-selectable taxonomy for each post type registered to WordPress, and each taxonomy registered to that post type...
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