Summery Summery

Filter the site data before the get_sites query takes place.

Syntax Syntax

apply_filters_ref_array( 'sites_pre_query', array|int|null $site_data, WP_Site_Query $this )

Description Description

Return a non-null value to bypass WordPress’s default site queries.

The expected return type from this filter depends on the value passed in the request query_vars: When $this->query_vars['count'] is set, the filter should return the site count as an int. When 'ids' == $this->query_vars['fields'], the filter should return an array of site ids. Otherwise the filter should return an array of WP_Site objects.

Parameters Parameters


Return an array of site data to short-circuit WP's site query, the site count as an integer if $this->query_vars['count'] is set, or null to run the normal queries.


The WP_Site_Query instance, passed by reference.

Source Source

File: wp-includes/class-wp-site-query.php


Changelog Changelog

Version Description
5.2.0 Introduced.


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