function validUrl($url)
{
if (filter_var($url, FILTER_VALIDATE_URL)) {
$components = parse_url($url);
// enable caching
static $urlCache = [];
$cacheKey = $components['scheme'] . $components['host'] . @$components['port'];
if (isset($urlCache[$cacheKey])) {
echo "Returning response for {$url} from cache." . PHP_EOL;
return $urlCache[$cacheKey];
}
$live = pingPort($components['host'], $components['scheme'], @$components['port']);
$urlCache[$cacheKey] = $live;
if ($live) {
return true;
}
echo "Url {$url} is not live." . PHP_EOL;
}
return false;
}
$Return['success'] = true;
$Return['date_start'] = date("Y-m-d H:i:s");
$nRecno = 0;
while ($row = $result->fetch_assoc()) {
$time = explode(" ", microtime());
$startCheck = $time[1] + $time[0];
$Ports = explode(",", $row["port"]);
$cHost = $row['host'];
//echo " host: " . $cHost;
$IsOn = 0;
$Today = date("Y-m-d H:i:s");
$Lastlog = '';
foreach ($Ports as $key => $port) {
$time = explode(" ", microtime());
$startping = $time[1] + $time[0];
$IsPing = pingPort($cHost, $port, $defaultValues["TimeOut"]);
$time = explode(" ", microtime());
$totaltime = $time[1] + $time[0] - $startping;
$Return["data"][$cHost]["port"]["{$port}"] = $IsPing;
$IsOn += $IsPing ? 1 : 0;
$Lastlog .= ($Lastlog == "" ? '' : ',') . $port . ':' . ($IsPing ? 'On' : 'Off');
//echo '['.$port. ':'.($IsPing? '<font color="green">On</font>':'<font color="red">Off</font>').'] ';
$Sql = "INSERT INTO host_status (host,port,result,date,duration) " . " VALUES ('" . $row["ref"] . "' , '" . $port . "' , '" . $IsPing . "' , '" . $Today . "' ,'" . $totaltime . "')";
$dbconnect->query($Sql);
}
$Sql = "UPDATE host_detail SET lastcheck = now(), laststatus={$IsOn} " . ", lastlog='" . $Lastlog . "' WHERE host='{$cHost}' ";
$dbconnect->query($Sql);
$time = explode(" ", microtime());
$totaltime = $time[1] + $time[0] - $startCheck;
$Return["data"][$row['host']]['timeused'] = $totaltime;
// echo ' ',number_format($totaltime,2)." Secs. <br>";
