Knowledge Base

Knowledge base contains information on how to use Relevanssi. There are lots of features that are documented in the knowledge base. Here's an index to the knowledge base, with all the entries sorted under different topics.

The user manual functions page is also a good place to look at.

Search Knowledge Base

Features

Debugging

Indexing

Search results

Filter hooks

Languages and characters

Query variables

Performance and security

Shortcodes and tools

Plugin compatibility

Theme compatibility

March 12, 2011January 19, 2021 by Mikko Saari

Direct access to the query engine

Relevanssi can’t be used in any situation, because it checks the presence of search with the is_search() function. This causes some unfortunate limitations and reduces the general usability of the plugin. You can, however, access the query engine directly. There’s a function called relevanssi_do_query(), which can be used to do search queries just about anywhere. Here’s a…

Using the relevanssi_where hook

If you want to add extra filters to the search results, you can add them using a hook. Relevanssi searches for results in the _relevanssi table, where terms and post_ids are listed. The various filtering methods work by listing either allowed or forbidden post ids in the query WHERE clause. Using the relevanssi_where hook you can…

Showing the number of search results

If you want to show the number of search results found on the search results template, you can find the value in the variable $wp_query->found_posts. Just add <?php echo ‘<p>Found ‘ . $wp_query->found_posts . ‘ hits.</p>’; ?> in your search results template. In case that produces no results, try introducing the global $wp_query variable like…