Updates metadata cache for list of site IDs.

Description

Performs SQL query to retrieve all metadata for the sites matching $site_ids and stores them in the cache.
Subsequent calls to get_site_meta() will not need to query the database.

Parameters

$site_idsarrayrequired

List of site IDs.

Return

Source

function update_sitemeta_cache( $site_ids ) {
	// Ensure this filter is hooked in even if the function is called early.
	if ( ! has_filter( 'update_blog_metadata_cache', 'wp_check_site_meta_support_prefilter' ) ) {
		add_filter( 'update_blog_metadata_cache', 'wp_check_site_meta_support_prefilter' );
	}
	return update_meta_cache( 'blog', $site_ids );
}

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