From ac48e52ab3e8ce2d6e9c54d2378d2b0e42672dbb Mon Sep 17 00:00:00 2001
From: Jeremy Felt <jeremyfelt@git.wordpress.org>
Date: Thu, 14 Apr 2016 04:18:54 +0000
Subject: [PATCH] Multisite: Fire a `clean_site_cache` action when a site's
 cache is cleared

Props spacedmonkey.
Fixes #36203.


git-svn-id: https://develop.svn.wordpress.org/trunk@37204 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/ms-blogs.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/wp-includes/ms-blogs.php b/src/wp-includes/ms-blogs.php
index 9108d59e38..0a1f6e3c3a 100644
--- a/src/wp-includes/ms-blogs.php
+++ b/src/wp-includes/ms-blogs.php
@@ -454,6 +454,17 @@ function clean_blog_cache( $blog ) {
 	wp_cache_delete( 'current_blog_' . $blog->domain . $blog->path, 'site-options' );
 	wp_cache_delete( 'get_id_from_blogname_' . trim( $blog->path, '/' ), 'blog-details' );
 	wp_cache_delete( $domain_path_key, 'blog-id-cache' );
+
+	/**
+	 * Fires immediately after a site has been removed from the object cache.
+	 *
+	 * @since 4.6.0
+	 *
+	 * @param int     $id Blog ID.
+	 * @param WP_Site $blog
+	 * @param string  $domain_path_key md5 hash of domain and path.
+	 */
+	do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key );
 }
 
 /**