Building An Advanced WordPress Search With WP_Query
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Building An Advanced WordPress Search With WP_Query

Many WordPress superpowers come from its flexible data architecture that allows developers to widely customize their installations with custom post types, taxonomies and fields. However, when it comes down to its search, WordPress provides us with only one-field form that often appears inadequate and leads site admins to adopt external search systems, like Google Custom Search, or third-party plugins.

In this article I’ll show you how to provide your WordPress installation with an advanced search system allowing the user to search and retrieve content from a specific custom post type, filtering results by custom taxonomy terms and multiple custom field values.

The article has two parts. First, I will present a theoretical introduction to handling user requests, starting from the URL transmission, passing through the query execution, and ending with the output production. The second part of the article is a concrete application of what we’re going to learn in the first part, and there we will build our advanced search system.