Multisite: Introduce `get_current_network_id()`
Similar to `get_current_blog_id`, this can be used to get the ID of the `$current_site` global. If not available, it will fallback to the main network ID. In single site, this will return 1. Props spacedmonkey, flixos90. Fixes #33900. git-svn-id: https://develop.svn.wordpress.org/trunk@37670 602fd350-edb4-49c9-b593-d223f7449a82
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@ -4255,9 +4255,11 @@ function get_main_network_id() {
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return 1;
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}
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$current_site = get_current_site();
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if ( defined( 'PRIMARY_NETWORK_ID' ) ) {
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$main_network_id = PRIMARY_NETWORK_ID;
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} elseif ( 1 === (int) get_current_site()->id ) {
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} elseif ( isset( $current_site->id ) && 1 === (int) $current_site->id ) {
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// If the current network has an ID of 1, assume it is the main network.
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$main_network_id = 1;
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} else {
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@ -807,6 +807,29 @@ function get_current_blog_id() {
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return absint($blog_id);
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}
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/**
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* Retrieves the current network ID.
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*
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* @since 4.6.0
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*
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* @global WP_Network $current_site The current network.
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*
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* @return int The ID of the current network.
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*/
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function get_current_network_id() {
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if ( ! is_multisite() ) {
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return 1;
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}
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$current_site = get_current_site();
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if ( ! isset( $current_site->id ) ) {
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return get_main_network_id();
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}
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return absint( $current_site->id );
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}
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/**
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* Attempt an early load of translations.
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*
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