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wp_load_core_site_options

Definition:
function wp_load_core_site_options( $site_id = null ) {}

Loads and caches certain often requested site options if is_multisite() and a persistent cache is not being used.

Parameters

  • int $site_id: Optional site ID for which to query the options. Defaults to the current site.

Source code

function wp_load_core_site_options( $site_id = null ) {

	global $wpdb, $_wp_using_ext_object_cache;



	if ( !is_multisite() || $_wp_using_ext_object_cache || defined( 'WP_INSTALLING' ) )

		return;



	if ( empty($site_id) )

		$site_id = $wpdb->siteid;



	$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' );



	$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", $site_id) );



	foreach ( $options as $option ) {

		$key = $option->meta_key;

		$cache_key = "{$site_id}:$key";

		$option->meta_value = maybe_unserialize( $option->meta_value );



		wp_cache_set( $cache_key, $option->meta_value, 'site-options' );

	}

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