+$redirect_network_admin_request = 0 !== strcasecmp( $current_blog->domain, $current_site->domain ) || 0 !== strcasecmp( $current_blog->path, $current_site->path );
+
+/**
+ * Filter whether to redirect the request to the Network Admin.
+ *
+ * @since 3.2.0
+ *
+ * @param bool $redirect_network_admin_request Whether the request should be redirected.
+ */