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Using Apache Solr facets to enhance search on WooCommerce


Table of contents :


When it comes to improving the search functionality on an eCommerce platform like WooCommerce, Apache Solr is a powerful tool that developers can utilize. Apache Solr is an open-source search platform built on Apache Lucene, which provides advanced search capabilities and high-performance indexing. One feature of Apache Solr that can greatly enhance the search experience is facets. Facets allow users to narrow down search results by applying filters based on specific attributes or fields. In this post, we will explore how to use Apache Solr facets to enhance search on WooCommerce and provide an improved user experience.


Using Facets with Apache Solr

To begin using Apache Solr facets with WooCommerce, you need to have Apache Solr up and running and properly configured. Once you have Apache Solr set up, you can leverage the Solr PHP client to interact with the Solr server and execute faceted search queries. Here’s an example of how you can use the Solr PHP client in conjunction with WooCommerce to implement facets:

require 'vendor/autoload.php';
$client = new Solarium\Client([<br ?--> 'endpoint' => [
 'localhost' => [
  'host' => '',
  'port' => 8983,
  'path' => '/solr/',

$query = $client->createSelect();

// Set the query string

// Add facet fields

// Execute the search query
$resultSet = $client->select($query);

// Get the facet results
$facetCategory = $resultSet->getFacetSet()->getFacet('category');
$facetBrand = $resultSet->getFacetSet()->getFacet('brand');

// Print facet results
echo "Category Facet:\n";
foreach ($facetCategory as $category => $count) {
 echo "$category ($count)\n";

echo "Brand Facet:\n";
foreach ($facetBrand as $brand => $count) {
 echo "$brand ($count)\n";

In the example above, we first create an instance of the Solr PHP client and configure it to connect to the Solr server. We then create a select query and set the search term. We add facet fields for ‘category’ and ‘brand’, which will enable us to filter search results based on these fields. After executing the search query, we retrieve the facet results and print them.

Implementing this code in your WooCommerce website will allow users to narrow down their search results by category or brand, providing more targeted and relevant search results.


How WPSOLR Can Help

While implementing Apache Solr facets manually can provide significant search enhancements, it can be a complex and time-consuming process. This is where WPSOLR can simplify the integration of Apache Solr with WooCommerce. WPSOLR is a WordPress plugin that seamlessly integrates Apache Solr with WooCommerce, providing a user-friendly interface for configuring Solr and enabling advanced search features like facets.

With WPSOLR, you can easily set up and configure Apache Solr for your WooCommerce website without the need for any coding or technical expertise. The plugin provides a visual interface to manage Solr configurations, including facet fields and filters. WPSOLR also offers additional features like autocomplete, spellcheck, and suggestions to further enhance the search experience on your WooCommerce site.



By leveraging Apache Solr facets, you can greatly enhance the search functionality on your WooCommerce website. Facets provide users with the ability to easily filter search results based on specific attributes, improving the overall search experience. While implementing facets manually using the Solr PHP client is possible, using a plugin like WPSOLR can simplify the process and provide additional advanced search features.

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