From 6d331e9743aaa668985edeeda5830ecda772f307 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov.ru@gmail.com>
Date: Tue, 5 Mar 2019 20:37:50 +0000
Subject: [PATCH] Networks and Sites: Check the result of `get_site()` in
 `wp_insert_site()`.

Props davidbinda, vanyukov, lukecarbis.
Merges [44799] to the 5.1 branch.
Fixes #46300.
Built from https://develop.svn.wordpress.org/branches/5.1@44800


git-svn-id: http://core.svn.wordpress.org/branches/5.1@44632 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/ms-site.php | 4 ++++
 wp-includes/version.php | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/wp-includes/ms-site.php b/wp-includes/ms-site.php
index 60d1f29035..ddc71380b3 100644
--- a/wp-includes/ms-site.php
+++ b/wp-includes/ms-site.php
@@ -69,6 +69,10 @@ function wp_insert_site( array $data ) {
 
 	$new_site = get_site( $wpdb->insert_id );
 
+	if ( ! $new_site ) {
+		return new WP_Error( 'get_site_error', __( 'Could not retrieve site data.' ) );
+	}
+
 	clean_blog_cache( $new_site );
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4699cf70d4..de52b2783e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1.1-alpha-44798';
+$wp_version = '5.1.1-alpha-44800';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.