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Multisite: Take WP_Network::$blog_id into account in get_main_site_id().

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When the `WP_Network::$blog_id` property is set manually, for example in the multisite bootstrap process, `get_main_site_id()` should use that value instead of running its own logic. The main logic for the function was therefore moved into the internal `WP_Network::get_main_site_id()` method, which is now being accessed by the function through the magic property handling for `WP_Network::$blog_id` (and its equivalent `WP_Network::$site_id`).

Props spacedmonkey, jeremyfelt.
Fixes #41936.


git-svn-id: https://develop.svn.wordpress.org/trunk@41861 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Felix Arntz
2017-10-14 22:41:15 +00:00
parent a626ef6c81
commit 4d6c257cf9
3 changed files with 93 additions and 52 deletions
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src/wp-includes/functions.php
+1 -45
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@@ -4431,51 +4431,7 @@ function get_main_site_id( $network_id = null ) {
return 0;
}
/**
* Filters the main site ID.
*
* Returning anything other than null will effectively short-circuit the function, returning
* the result parsed as an integer immediately.
*
* @since 4.9.0
*
* @param int|null $main_site_id If anything other than null is returned, it is interpreted as the main site ID.
* @param int $network_id The ID of the network for which the main site was detected.
*/
$main_site_id = apply_filters( 'pre_get_main_site_id', null, $network->id );
if ( null !== $main_site_id ) {
return (int) $main_site_id;
}
if ( ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) && $network->domain === DOMAIN_CURRENT_SITE && $network->path === PATH_CURRENT_SITE )
|| ( defined( 'SITE_ID_CURRENT_SITE' ) && $network->id == SITE_ID_CURRENT_SITE ) ) {
if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) {
return BLOG_ID_CURRENT_SITE;
} elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // deprecated.
return BLOGID_CURRENT_SITE;
}
}
$site = get_site();
if ( $site->domain === $network->domain && $site->path === $network->path ) {
$main_site_id = (int) $site->id;
} else {
$main_site_id = wp_cache_get( 'network:' . $network->id . ':main_site', 'site-options' );
if ( false === $main_site_id ) {
$_sites = get_sites( array(
'fields' => 'ids',
'number' => 1,
'domain' => $network->domain,
'path' => $network->path,
'network_id' => $network->id,
) );
$main_site_id = ! empty( $_sites ) ? array_shift( $_sites ) : 0;
wp_cache_add( 'network:' . $network->id . ':main_site', $main_site_id, 'site-options' );
}
}
return (int) $main_site_id;
return $network->site_id;
}
/**