Multisite: Use get_networks() in get_main_network_id().

The manual query for the main network ID can now be replaced with a cached `get_networks()` query. This allows us to eliminate the `primary_network_id` cache key entirely.

Props spacedmonkey.
Fixes #37218.


git-svn-id: https://develop.svn.wordpress.org/trunk@38632 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Jeremy Felt 2016-09-20 18:46:52 +00:00
parent e0ef4132fe
commit 576a4cba5e

View File

@ -4353,13 +4353,9 @@ function is_main_network( $network_id = null ) {
* *
* @since 4.3.0 * @since 4.3.0
* *
* @global wpdb $wpdb WordPress database abstraction object.
*
* @return int The ID of the main network. * @return int The ID of the main network.
*/ */
function get_main_network_id() { function get_main_network_id() {
global $wpdb;
if ( ! is_multisite() ) { if ( ! is_multisite() ) {
return 1; return 1;
} }
@ -4372,12 +4368,8 @@ function get_main_network_id() {
// If the current network has an ID of 1, assume it is the main network. // If the current network has an ID of 1, assume it is the main network.
$main_network_id = 1; $main_network_id = 1;
} else { } else {
$main_network_id = wp_cache_get( 'primary_network_id', 'site-options' ); $_networks = get_networks( array( 'fields' => 'ids', 'number' => 1 ) );
$main_network_id = array_shift( $_networks );
if ( false === $main_network_id ) {
$main_network_id = (int) $wpdb->get_var( "SELECT id FROM {$wpdb->site} ORDER BY id LIMIT 1" );
wp_cache_add( 'primary_network_id', $main_network_id, 'site-options' );
}
} }
/** /**