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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. Built from https://develop.svn.wordpress.org/trunk@38632 git-svn-id: http://core.svn.wordpress.org/trunk@38575 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -4353,13 +4353,9 @@ function is_main_network( $network_id = null ) {
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*
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* @since 4.3.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @return int The ID of the main network.
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*/
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function get_main_network_id() {
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global $wpdb;
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if ( ! is_multisite() ) {
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return 1;
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}
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@ -4372,12 +4368,8 @@ function get_main_network_id() {
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// If the current network has an ID of 1, assume it is the main network.
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$main_network_id = 1;
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} else {
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$main_network_id = wp_cache_get( 'primary_network_id', 'site-options' );
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if ( false === $main_network_id ) {
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$main_network_id = (int) $wpdb->get_var( "SELECT id FROM {$wpdb->site} ORDER BY id LIMIT 1" );
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wp_cache_add( 'primary_network_id', $main_network_id, 'site-options' );
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}
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$_networks = get_networks( array( 'fields' => 'ids', 'number' => 1 ) );
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$main_network_id = array_shift( $_networks );
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}
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/**
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@ -4,7 +4,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '4.7-alpha-38631';
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$wp_version = '4.7-alpha-38632';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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