wp_load_core_site_options( int $network_id = null )
Loads and caches certain often requested site options if is_multisite() and a persistent cache is not being used.
Parameters
- $network_id
-
(Optional) site ID for which to query the options. Defaults to the current site.
Default value: null
Source
File: wp-includes/option.php
function wp_load_core_site_options( $network_id = null ) {
global $wpdb;
if ( ! is_multisite() || wp_using_ext_object_cache() || wp_installing() )
return;
if ( empty($network_id) )
$network_id = get_current_network_id();
$core_options = array('site_name', 'siteurl', 'active_sitewide_plugins', '_site_transient_timeout_theme_roots', '_site_transient_theme_roots', 'site_admins', 'can_compress_scripts', 'global_terms_enabled', 'ms_files_rewriting' );
$core_options_in = "'" . implode("', '", $core_options) . "'";
$options = $wpdb->get_results( $wpdb->prepare( "SELECT meta_key, meta_value FROM $wpdb->sitemeta WHERE meta_key IN ($core_options_in) AND site_id = %d", $network_id ) );
foreach ( $options as $option ) {
$key = $option->meta_key;
$cache_key = "{$network_id}:$key";
$option->meta_value = maybe_unserialize( $option->meta_value );
wp_cache_set( $cache_key, $option->meta_value, 'site-options' );
}
}
Changelog
Version | Description |
---|---|
WP-3.0.0 | Introduced. |