WordPress at a glance
function is not described

WP_Site_Query::set_found_sites() private WP 4.6.0

Populates found_sites and max_num_pages properties for the current query if the limit clause was used.

{} It's a method of the class: WP_Site_Query{}

Hooks from the method
Return

Null. Nothing.

Usage

// private - for code of main (parent) class only
$result = $this->set_found_sites();

Notes

  • Global. wpdb. $wpdb WordPress database abstraction object.

Changelog

Since 4.6.0 Introduced.

Code of WP_Site_Query::set_found_sites() WP 5.5.2

<?php
private function set_found_sites() {
	global $wpdb;

	if ( $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) {
		/**
		 * Filters the query used to retrieve found site count.
		 *
		 * @since 4.6.0
		 *
		 * @param string        $found_sites_query SQL query. Default 'SELECT FOUND_ROWS()'.
		 * @param WP_Site_Query $site_query        The `WP_Site_Query` instance.
		 */
		$found_sites_query = apply_filters( 'found_sites_query', 'SELECT FOUND_ROWS()', $this );

		$this->found_sites = (int) $wpdb->get_var( $found_sites_query );
	}
}