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wp_load_core_site_options › WordPress Function

Since3.0.0
Deprecatedn/a
› wp_load_core_site_options ( $network_id = null )
Parameters:
  • (int) $network_id Optional. Network ID of network for which to prime network options cache. Defaults to current network.
    Required: No
    Default: null
Defined at:
Codex:
Change Log:
  • 6.3.0

Loads and primes caches of certain often requested network options if is_multisite().



Related Functions: update_site_option, add_site_option, wp_load_alloptions, get_site_option, delete_site_option

Source 

function wp_load_core_site_options( $network_id = null ) {
	global $wpdb;

	if ( ! is_multisite() || 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' );

	if ( wp_using_ext_object_cache() ) {
		$cache_keys = array();
		foreach ( $core_options as $option ) {
			$cache_keys[] = "{$network_id}:{$option}";
		}
		wp_cache_get_multiple( $cache_keys, 'site-options' );

		return;
	}

	$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 ) );

	$data = array();
	foreach ( $options as $option ) {
		$key                = $option->meta_key;
		$cache_key          = "{$network_id}:$key";
		$option->meta_value = maybe_unserialize( $option->meta_value );

		$data[ $cache_key ] = $option->meta_value;
	}
	wp_cache_set_multiple( $data, 'site-options' );
}