Clean the blog cache
Parameters
$blog
WP_Site|intrequired- The site object or ID to be cleared from cache.
Source
function clean_blog_cache( $blog ) {
global $_wp_suspend_cache_invalidation;
if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
return;
}
if ( empty( $blog ) ) {
return;
}
$blog_id = $blog;
$blog = get_site( $blog_id );
if ( ! $blog ) {
if ( ! is_numeric( $blog_id ) ) {
return;
}
// Make sure a WP_Site object exists even when the site has been deleted.
$blog = new WP_Site(
(object) array(
'blog_id' => $blog_id,
'domain' => null,
'path' => null,
)
);
}
$blog_id = $blog->blog_id;
$domain_path_key = md5( $blog->domain . $blog->path );
wp_cache_delete( $blog_id, 'sites' );
wp_cache_delete( $blog_id, 'site-details' );
wp_cache_delete( $blog_id, 'blog-details' );
wp_cache_delete( $blog_id . 'short', 'blog-details' );
wp_cache_delete( $domain_path_key, 'blog-lookup' );
wp_cache_delete( $domain_path_key, 'blog-id-cache' );
wp_cache_delete( $blog_id, 'blog_meta' );
/**
* Fires immediately after a site has been removed from the object cache.
*
* @since 4.6.0
*
* @param string $id Site ID as a numeric string.
* @param WP_Site $blog Site object.
* @param string $domain_path_key md5 hash of domain and path.
*/
do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key );
wp_cache_set_sites_last_changed();
/**
* Fires after the blog details cache is cleared.
*
* @since 3.4.0
* @deprecated 4.9.0 Use 'clean_site_cache' instead.
*
* @param int $blog_id Blog ID.
*/
do_action_deprecated( 'refresh_blog_details', array( $blog_id ), '4.9.0', 'clean_site_cache' );
}
Hooks
- do_action( ‘clean_site_cache’,
string $id ,WP_Site $blog ,string $domain_path_key ) Fires immediately after a site has been removed from the object cache.
- do_action_deprecated( ‘refresh_blog_details’,
int $blog_id ) Fires after the blog details cache is cleared.
Changelog
Version | Description |
---|---|
3.5.0 | Introduced. |
User Contributed Notes
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