Скрипт проверки видео vk com на доступность.

<?php
class VK_check_video {

  public $data = array();
  public $csv_filename = 'vk_check_video_data.csv';
  public $csv_delimiter = ";";
  public $cache_time = 86400;

  public function load()
  {
   $this->loadCSV();
   return TRUE;
  }

  public function save()
  {
   $this->saveCSV();
   return TRUE;
  }

  public function getContent($url)
  {
   return file_get_contents($url);
  }

  public function issetData($src_page, $url_video)
  {

   foreach($this->data as $data)
   {
    $time = time() - (int)$data[2];
    if($data[0] == $src_page && $data[1] == $url_video && $time > $this->cache_time) {
     return TRUE;
    }  
   }
   return FALSE;
  }

  public function checkVideo($src_page, $url_video)
  {
    
   if($this->issetData($src_page, $url_video)) {
    return FALSE;
   }

   $content = $this->getContent($url_video);

   $check_result = preg_match('/< *object[^>]/i',$content);

   $this->data[]=array($src_page, $url_video, $check_result, time());

   return TRUE;
  }

  public function loadCSV()
  {
   if (($handle = fopen($this->csv_filename, "r")) !== FALSE) {
       while (($data = fgetcsv($handle, 1000, $this->csv_delimiter)) !== FALSE)  
       {
           $this->data[] = $data;
       }
       return fclose($handle);
   } else {
    return FALSE;
   }
  }

  public function saveCSV()
  {
   if(!$fp = fopen($this->csv_filename, 'w')) {
    return FALSE;
   }
   foreach ($this->data as $data)  
   {
       fputcsv($fp, $data, $this->csv_delimiter);
   }
   return fclose($fp);
  }

  public function getBadVideo()
  {
   $return_data = array();
   foreach($this->data as $data)
   {
    if($data[2] == 0 ) {
     $return_data[] = $data;
    }  
   }
   return $return_data;
  }
}

$VK_cv =new VK_check_video;
$VK_cv->load();

if(isset($_GET['url']) && isset($_GET['src']) && count($_GET['src']) > 0) {
  foreach($_GET['src'] as $video) {
   $VK_cv->checkVideo($_GET['url'], $video);
  }
  $VK_cv->save();
  die('check_ok');
}

?>
<table style="font-size: 11px;">

  <thead>
   <tr>
    <!--<th>VK(URL)</th>-->
    <th>PAGE(URL)</th>
    <th>LAST CHECK</th>
   </tr>
  </thead>
  <tbody>
   <?php foreach($VK_cv->getBadVideo() as $bad_video): ?>
   <tr>
    <!--<td><a href="<?php echo $bad_video[1]; ?>"><?php echo $bad_video[1]; ?></a></td>-->
    <td><a href="<?php echo $bad_video[0]; ?>" target="_blank"><b><?php echo $bad_video[0]; ?></b></a></td>
    <td><?php echo date('d.m.Y H:i',$bad_video[3]); ?></td>
   </tr>
   <?php endforeach; ?>
  </tbody>
</table>

<script type="text/javascript">

var vk_videos = [];

$("iframe").each(function() {
   var src = $(this).attr('src');
   if(src.indexOf('vk.com') !== -1) {
    vk_videos.push(src)
   }
});
if(vk_videos.length > 0 ) {
  $.get("/vk_check_video.php", { 'url': document.location.href, 'src[]': vk_videos });
}

</script>

RewriteRule ^chek_vk.html$ vk_check_video.php [L]