--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-admin/includes/ms-admin-filters.php	Mon Oct 14 17:39:30 2019 +0200
@@ -0,0 +1,44 @@
+<?php
+/**
+ * Multisite Administration hooks
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 4.3.0
+ */
+
+// Media Hooks.
+add_filter( 'wp_handle_upload_prefilter', 'check_upload_size' );
+
+// User Hooks
+add_action( 'user_admin_notices', 'new_user_email_admin_notice' );
+add_action( 'network_admin_notices', 'new_user_email_admin_notice' );
+
+add_action( 'admin_page_access_denied', '_access_denied_splash', 99 );
+
+// Site Hooks.
+add_action( 'wpmueditblogaction', 'upload_space_setting' );
+
+// Network hooks
+add_action( 'update_site_option_admin_email', 'wp_network_admin_email_change_notification', 10, 4 );
+
+// Taxonomy Hooks
+add_filter( 'get_term', 'sync_category_tag_slugs', 10, 2 );
+
+// Post Hooks.
+add_filter( 'wp_insert_post_data', 'avoid_blog_page_permalink_collision', 10, 2 );
+
+// Tools Hooks.
+add_filter( 'import_allow_create_users', 'check_import_new_users' );
+
+// Notices Hooks
+add_action( 'admin_notices',         'site_admin_notice' );
+add_action( 'network_admin_notices', 'site_admin_notice' );
+
+// Update Hooks
+add_action( 'network_admin_notices', 'update_nag',      3  );
+add_action( 'network_admin_notices', 'maintenance_nag', 10 );
+
+// Network Admin Hooks
+add_action( 'add_site_option_new_admin_email',    'update_network_option_new_admin_email', 10, 2 );
+add_action( 'update_site_option_new_admin_email', 'update_network_option_new_admin_email', 10, 2 );