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update_sitemeta_cache( array $site_ids )

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_ids

(array) (Required) List of site IDs.

Return

(array|false) An array of metadata on success, false if there is nothing to update.

Source

File: wp-includes/ms-site.php 

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 );
}

Uses

Uses Description
wp-includes/plugin.php: has_filter()

Check if any filter has been registered for a hook.
wp-includes/plugin.php: add_filter()

Hook a function or method to a specific filter action.
wp-includes/meta.php: update_meta_cache()

Updates the metadata cache for the specified objects.

Used By

Used By Description
wp-includes/ms-site.php: update_site_cache()

Updates sites in cache.

Changelog

Version Description
5.1.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/update_sitemeta_cache