_prime_site_caches( array $ids, bool $update_meta_cache = true )

Adds any sites from the given IDs to the cache that do not already exist in cache.

Description

See also

Parameters

$ids

(Required) ID list.

$update_meta_cache

(Optional) Whether to update the meta cache.

Default value: true

Source

File: wp-includes/ms-site.php 

function _prime_site_caches( $ids ) {
	global $wpdb;

	$non_cached_ids = _get_non_cached_ids( $ids, 'sites' );
	if ( ! empty( $non_cached_ids ) ) {
		$fresh_sites = $wpdb->get_results( sprintf( "SELECT * FROM $wpdb->blogs WHERE blog_id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );

		update_site_cache( $fresh_sites );
	}
}

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Related

Changelog

Changelog
Version Description
6.3.0 Use wp_lazyload_site_meta() for lazy-loading of site meta.
6.1.0 This function is no longer marked as "private".
5.1.0 Introduced the $update_meta_cache parameter.
4.6.0 Introduced.