get('ping:hosts')) > 0) $hosts = $Config->get('ping:hosts'); else $hosts = array('google.com', 'wikipedia.org'); foreach ($hosts as $host) { exec('/bin/ping -qc 1 '.$host.' | awk -F/ \'/^rtt/ { print $5 }\'', $result); if (!isset($result[0])) { $result[0] = 0; } $datas[] = array( 'host' => $host, 'ping' => $result[0], ); unset($result); } echo json_encode($datas);