PHP fsockopen() php proxy check

 $host = '172.106.19.157';

$port = '57367'; 
$waitTimeoutInSeconds = 5;

sleep(1);

try {
    if(fsockopen($host,$port,$errCode,$errStr, $waitTimeoutInSeconds)){

        return "It worked $errCode";
    }else{
        throw new Exception('gggggggg');
    }
} catch ( Exception $e) {
    return "It didn't work ";
}

--------------------

// $host = '172.106.19.157';
// $port = '57367';
$proxy5 = "172.106.19.157:11111";
$host = substr($proxy5, 0,-6);

$port = substr($proxy5, -5);

return = 172.106.19.157:11111