$parameters = json_decode($job['j_parameters'], true);
$username = isset($parameters['username']) ? $parameters['username'] : null;
if (!($user = User::getSilent($username))) {
$parameters = json_decode($job['j_parameters'], true);
$username = isset($parameters['username']) ? $parameters['username'] : null;
if (!($user = User::getSilent($username))) {