php 获取网站图片并存入本地文件

<?php  /**   * Created by PhpStorm.   * Date: 15-2-9   * Time: 下午3:10   */     for($i=0;$i<1000;$i++){      $getData['page'] =  $i+1;      getImg($getData);  }        function getImg($getData)  {      $path = "D:/NFS/img/";      $opts = array(          'http'=>array(              'method'=>"GET",              'timeout'=>3,//设置3秒等待          ),      );      if(is_array($getData) && !empty($getData))      {          $ser = http_build_query($getData, '', '&');      }      $cnt=0;     //如果请求失败 继续请求3次      while($cnt<3 && ($file=file_get_contents("http://sexy.faceks.com/?{$ser}", false, stream_context_create($opts)))===FALSE) $cnt++;      preg_match_all("/\<img.*?src\=\"(.*?)\"[^>]*>/i", $file, $matches);      if(empty($matches[0]) || empty($matches[1]))      {          echo "not img...";die;      }         $imgs=array_unique($matches[1]);      foreach($imgs as $k=>$img)      {             $filename = $path.time().$k.".jpg";          getImage($img,$filename);      }     }     /**   * @param string $url   * @param string $fileName   * 保存图片   */  function getImage($url = '', $fileName = '')  {      var_dump($fileName);      $ch = curl_init();      $fp = fopen($fileName, 'wb');         curl_setopt($ch, CURLOPT_URL, $url);      curl_setopt($ch, CURLOPT_FILE, $fp);      curl_setopt($ch, CURLOPT_HEADER, 0);      curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);      curl_setopt($ch, CURLOPT_TIMEOUT, 60);         curl_exec($ch);      curl_close($ch);      fclose($fp);  }