This event is signalled in ft_pageSearch() in inc/fulltext.php. You can use this event to post process the search results AFTER event advise to filter/reorder them.

• data['query'] ⇒ (string) the search query
• data['highlight'] ⇒ (array reference) to array to hold words to be highlighted

added after 2018-04-05:

• data['sort'] ⇒ (string) whether the results are sorted by number of hits or last changed time (mtime)
• data['after'] ⇒ (int|string) only show results with an modified time after this date, accepts timestap or strtotime arguments
• data['before'] ⇒ (int|string) only show results with an modified time before this date, accepts timestap or strtotime arguments

The following plugins are known to handle this event and their source code may be a good start for understanding and implementing a handler yourself.

• singlesearchresult
• watchcycle

• Code related to this event
• Action Plugins
• Events
• SEARCH_QUERY_PAGELOOKUP