PHP Multi curl to check if domains are indexed in google

script.php

 <?php
function multiRequest($data, $options = array()) {
  $curly = array();
  $result = array();
  $mh = curl_multi_init();
  foreach ($data as $id => $d) {
    $url = 'http://webcache.googleusercontent.com/search?q=cache:' . urlencode($d);
    $curly[$id] = curl_init($url);
    curl_setopt($curly[$id], CURLOPT_RETURNTRANSFER, false);
    curl_setopt($curly[$id], CURLOPT_FOLLOWLOCATION, false);
    curl_setopt($curly[$id], CURLOPT_HTTPGET, 1);
    curl_setopt($curly[$id], CURLOPT_NOBODY, true);
    curl_setopt($curly[$id], CURLOPT_USERAGENT, 'Chrome 10');
    curl_multi_add_handle($mh, $curly[$id]);
  }
  $running = null;
  do {
    curl_multi_exec($mh, $running);
  } while($running > 0);
  // get content and remove handles
  foreach($curly as $id => $c) {
    // $result[$id] = curl_multi_getcontent($c);
    $result[$id] = curl_getinfo($c, CURLINFO_HTTP_CODE);
    curl_multi_remove_handle($mh, $c);
  }
  curl_multi_close($mh);
  return $result;
}

$data = [
"stackoverflow.com",
"laracasts.com",
"quora.com",
"example.com",
"kjahdskljahsd.com",
"scotch.io"
];
$r = multiRequest($data);
 
echo '<pre>';
var_dump($r);