Error message

• Deprecated function: Array and string offset access syntax with curly braces is deprecated in require_once() (line 341 of /mnt/datos/html/packages/drupal7/includes/module.inc).
• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in node_privacy_byrole_nodeapi_prepare() (line 216 of /mnt/datos/html/packages/drupal7/sites/all/modules/node_privacy_byrole/node_privacy_byrole.module).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /mnt/datos/html/packages/drupal7/includes/common.inc).