php自動採集內容中帶有圖片位址的遠端圖片保存到本地

php自動採集內容中帶有圖片位址的遠端圖片保存到本地

function my_file_get_contents($url, $timeout=30) {
if ( function_exists('curl_init') )
{
$ch = curl_init();
curl_setopt ($ch, curlopt_url, $url);
curl_setopt ($ch, curlopt_returntransfer, 1);
curl_setopt ($ch, curlopt_connecttimeout, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);
}
else if ( ini_get('allow_url_fopen') == 1 || strtolower(ini_get('allow_url_fopen')) == 'on' )
{
$file_contents = @file_get_contents($url);
}
else
{
$file_contents = '';
}
return $file_contents;
}

function get_remote($body,$title){

 $img_array = array();
 $img_path = realpath(".. /.. /.. /upfile/news/").' /'.date("y/m/d/"); 採集遠端圖片保存位址
 //die($img_path);
 $img_rpath='/upfile/news/'.date("y/m/d/");  //設置訪問位址
 $body = stripslashes(strtolower($body));
 preg_match_all("/(src|src)=["|'| ] {0,} (HTTP://(.*). (gif|jpg|jpeg|png)) /isu",$body,$img_array);
 $img_array = array_unique($img_array[2]);
 foreach ($img_array as $key => $value) {
  $get_file = my_file_get_contents($value,60);
  $filetime = time();  
  $filename = date("ymdhis",$filetime).rand(1,999).'.'. substr($value,-3,3);
  if(empty($get_file)){
   @sleep(10);
   $get_file = my_file_get_contents($ value,30);
   if(empty($get_file)){
    $body = preg_replace("/".addcslashes($value,"/")." /isu", '/notfound.jpg', $body);
    continue;
    }
  }
  if(!empty($get_file) ){
   if( mkdirs($img_path) )
   {
    $ fp = fopen($img_path.$filename,"w");
    if(fwrite($fp,$get_file)){        
      $body = preg_replace("/".addcslashes($value,"/")." /isu", $img_rpath.$filename, $body);
    }
    fclose($fp);
    @sleep(6);
   }  
  }   
 
 }
 $body =str_replace("& lt;img","<img ",$body);
 return $body;
 
}

function mkdirs($dir)
{
if(!is_dir($dir)){
if(!mkdirs(dirname($dir))){
return false;}
if(!mkdir($dir,0777)){
return false;}
}
return true;
}
$str ='fasfsdafsa<img src=/get_pic/2010/03/2010062300391582.jpg />';
echo get_remote($str,'圖片');

本站原創教程轉請注明來源,檔上傳代碼會這樣做。