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.


Description Description


Parameters Parameters

$network_id

(int) (Optional) site ID for which to query the options. Defaults to the current site.

Default value: null


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Source 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' );
	}
}

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Changelog Changelog

Changelog
Version Description
3.0.0 Introduced.


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