<?php

 error_reporting(E_ALL & ~E_NOTICE);

 if ($_REQUEST['v']) {
  echo '2';
  exit;
 }

 function get_page($host, $url) {
  global $i, $fail_count;
  $handle = fsockopen($host, 80, $errno, $errstr, 30);
  if (!$handle) {
   if ($fail_count < 5) {
    $i--;
    $fail_count++;
   }
  } else {
   if ($_REQUEST['c']) $cookie = "Cookie: $_REQUEST[c]\r\n";
   fwrite ($handle, "GET $url HTTP/1.0\r\nHost: $host\r\nConnection: Close\r\n$cookie\r\n");

   while (!feof ($handle)) {
    $string = fgetc ($handle);
    if ($string == '<' || $string == '{') break;
   }
   while (!feof($handle)) {
    $string .= fread($handle, 40960);
   }
   fclose($handle);
   return $string;
  }
 }

 if ($_REQUEST['t']) {
  $query_order = array(1);
 } else {
  $num = 10;
  if ($_REQUEST['se'] == 'y') $num = 50;
  if ($_REQUEST['se'] == 'g') $num = 8;
 
  for ($i = 1; $i <= $_REQUEST['d']; $i += $num) {
   $query_order[] = $i;
  }
 
  if ($_REQUEST['l'] > 0 && $_REQUEST['l'] < 1001) {
   $x = $_REQUEST['l'] - 1;
   $y = $x - ($x % $num) + 1;
   $query_order[$y / $num] = 1;
   $query_order[0] = $y;
   $slice = array_slice($query_order, 1, max (0, ($y / $num) - 1));
   rsort ($slice);  
   foreach ($slice as $array_key => $value) {
    $query_order[$array_key + 1] = $value;
   }
  }
 }

 if ($_REQUEST['se'] == 'g') {
  $error = '';
  $fail_count = 0;
  for ($i = 0; $i < count($query_order); $i++) {
   @set_time_limit(30);
   $start = $query_order[$i];
   
   $gl = '';
   if ($_REQUEST['country'] == 'countryDE') {
     $gl = '&gl=de';
   }
   $data = get_page ('ajax.googleapis.com', '/ajax/services/search/web?v=1.0&rsz=large&start=' . ($start - 1) . $gl . '&q=' . urlencode ($_REQUEST['q']));
   $parser = json_decode($data, true);

   if ($_REQUEST['u'] && is_array($parser['responseData']['results'])) {
    unset ($results_detail);
    $position = $start;
    foreach ($parser['responseData']['results'] as $result) {
     if (substr_count (strtolower ($result['url']), $_REQUEST['u'])) $results[] = $position;
      
     if ($_REQUEST['s']) {
      $results_detail[$position]['title'] = $result['title'];
      $results_detail[$position]['url'] = $result['unescapedUrl'];
     }
     $position++;
    }
   }

   $results_total = $parser['responseData']['cursor']['estimatedResultCount'];
   if ($error && $fail_count < 5) {
    unset ($error);
    $i--;
    $fail_count++;
   }
   if ($results) break;
  }
  
 } elseif ($_REQUEST['se'] == 'y') {
  $error = '';
  $fail_count = 0;
  for ($i = 0; $i < count($query_order); $i++) {
   @set_time_limit(30);
   $start = $query_order[$i];  
   
   $data = get_page ('api.search.yahoo.com', '/WebSearchService/V1/webSearch?appid=keywordtracker&query=' . urlencode ($_REQUEST['q']) . '&start=' . $start . '&results=50');
   
   $parser = xml_parser_create('UTF-8');
   xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1); 
   xml_parse_into_struct($parser, $data, $vals, $index); 
   xml_parser_free($parser);

   if ($index['ERROR']) {
    $error = $vals[$index['MESSAGE'][0]]['value'];
   }
   
   if ($_REQUEST['u'] && is_array($index['URL'])) {
    unset ($results_detail);
    $position = $start;
    foreach ($index['URL'] as $url_key) {
     if ($vals[$url_key]['level'] == 3) {
      if (substr_count (strtolower ($vals[$url_key]['value']), $_REQUEST['u'])) $results[] = $position;
       
      if ($_REQUEST['s']) {
       $results_detail[$position]['title'] = $vals[$url_key - 2]['value'];
       $results_detail[$position]['summary'] = $vals[$url_key - 1]['value'];
       $results_detail[$position]['url'] = $vals[$url_key]['value'];
      }
      $position++;
     }
    }
   }
   $results_total = $vals[$index['RESULTSET'][0]]['attributes']['TOTALRESULTSAVAILABLE'];
   if ($error && $fail_count < 5) {
    unset ($error);
    $i--;
    $fail_count++;
   }
   if ($results_detail) {
     if ($_REQUEST['s']) {
     
      $position_key = max(0, min ($results[0] - 4, count ($results_detail) - 10));
     $results_detail = array_slice ($results_detail, $position_key, 10);
     foreach ($results_detail as $result) {
      $position_key++;
      $results_new[$position_key] = $result;
     }
     $results_detail = $results_new;
    }
    break;
   }   
  }
  
 } elseif ($_REQUEST['se'] == 'b') {
  $error = '';
  $fail_count = 0;
  for ($i = 0; $i < count($query_order); $i++) {
   @set_time_limit(30);
   $start = $query_order[$i];
  
   $data = get_page ('www.bing.com', '/search?q=' . urlencode ($_REQUEST['q']) . '&first=' . $start . '&count=10&format=rss');

   $parser = xml_parser_create('UTF-8');
   xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1); 
   xml_parse_into_struct($parser, $data, $vals, $index); 
   xml_parser_free($parser);

   unset ($results_detail);
   $position = $start;
   if (is_array ($index['LINK'])) {
    foreach ($index['LINK'] as $url_key) {
     if ($vals[$url_key]['level'] == 4 && !strpos($vals[$url_key]['value'], 'www.bing.com:80/search')) {
      if (substr_count (strtolower ($vals[$url_key]['value']), $_REQUEST['u'])) $results[] = $position;
      
      if ($_REQUEST['s']) {
       $results_detail[$position]['title'] = $vals[$url_key - 1]['value'];
       $results_detail[$position]['summary'] = $vals[$url_key + 1]['value'];
       $results_detail[$position]['url'] = $vals[$url_key]['value'];
      }
      $position++;
     }
    }
   }
   if ($results) break;
   if ($error && $fail_count < 5) {
    unset ($error);
    $i--;
    $fail_count++;
   }
  }
 }
 
 if (!$results) $results[] = 9999;
 $output['results'] = implode ('|', $results);
 
 if ($error) $output['error'] = $error;
 
 if ($_REQUEST['t']) {
  $output['total'] = $results_total;
  echo serialize($output);
 } elseif ($_REQUEST['s']) {
  $output['total'] = $results_total;
  $output['detail'] = $results_detail;
  echo serialize ($output);
 } else {
  echo serialize ($output);
 }
 
?>