Herman explains the basic workings of the Plugin:
The basic idea behind this plugin was to add a
FULLTEXTindex to the post_title &
post_contentand run a bit of
REGEXon the search terms using that index. Then once daily the plugin will update the index with
wp_schedule_event()to keep the search results from become corrupted or invalid.
The Plugin is available on CodeCanyon, one of the Envato Marketplaces. Herman is the front-end developer for Envato’s Plus line of sites, and developed the Plugin primarily to improve search across their network of websites.
You can follow Derek Herman on Twitter at @valendesigns.