Cheating Other Webpage

<?php
$host = 'y2mate.com';
$service_uri = '/en/';
$vars = 'query='.urlencode('https://m.youtube.com/v/A7ry4cx6HfY');

$header = "Host: $host\r\n";
$header .= "User-Agent: PHP Script\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
if (isset($_SERVER['HTTP_REFERER'])){
$header .= "Referer: {$_SERVER['HTTP_REFERER']} \r\n";
} else {
$header .= "Referer: https://webmanajemen.xyz\r\n";
}
$header .= "Content-Length: ".strlen($vars)."\r\n";
$header .= "Connection: close\r\n\r\n";

$fp = fsockopen("".$host,80, $errno, $errstr);
if (!$fp) {
  echo "$errstr ($errno)<br/>\n";
  echo $fp;
} else {
    fputs($fp, "POST $service_uri  HTTP/1.1\r\n");
    fputs($fp, $header.$vars);
    fwrite($fp, $out);

    while (!feof($fp)) {
        echo fgets($fp, 128);
    }
    fclose($fp);
}