$config = CRM_Core_Config::singleton();
if (in_array('CiviCase', $config->enableComponents)) {
if (CRM_Core_Permission::check('access all cases and activities') ||
CRM_Core_Permission::check('access my cases and activities')
) {
$config = CRM_Core_Config::singleton();
if (in_array('CiviCase', $config->enableComponents)) {
if (CRM_Core_Permission::check('access all cases and activities') ||
CRM_Core_Permission::check('access my cases and activities')
) {