- remove cache on upgrade user role;

- removed deprecated functions-
- text changes;

includes/core/class-user.php

@@ -650,6 +650,15 @@ if ( ! class_exists( 'um\core\User' ) ) {
 		}
 
 
+		/**
+		 * Remove cache for all users
+		 */
+		function remove_cache_all_users() {
+			global $wpdb;
+			$wpdb->query( "DELETE FROM {$wpdb->options} WHERE option_name LIKE 'um_cache_userdata_%'" );
+		}
+
+
 		/**
 		 * This method lets you set a user. For example, to retrieve a profile or anything related to that user.
 		 *