function checkProxy($proxy) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://www.cpanel.net/showip.cgi");
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
curl_setopt($ch, CURLOPT_PROXY, $proxy);
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$result = curl_exec($ch);
echo $result;
if (stristr($result,"Moved Permanently") !== false){
    return 0;
    echo 'Proxy Die';
} else {
    return 1;
    echo 'Proxy Live';
    $proxy = "$json->ip:$json->port";
}
curl_close($ch);}

$ch = curl_init();
$proxy = getProxy();
while (!checkProxy($proxy)) {
    $proxy = getProxy();
}