Bilder Upload Script

<? 
if($action){ 

   // -------------------------------- 
   // Diverse Variablen 
   // -------------------------------- 

$path = "uploads/"; // Url zum Speicherordner der gro?en Bilder   
$thumb_path = "uploads/thumb/"; // Url zum Speicherordner der Vorschaubilder   
$config_width = "320"; // Bildbreite max. bei gro?em Bild   
$config_height = "240"; // Bildhohe max. bei gro?em Bild   
$config_thumb_width = "130"; // Bildbreite max. bei Vorschaubild   
$config_thumb_height = "60"; // Bildhohe max. bei Vorschaubild   
$resizequality = "90"; // Bildkompressionsrate 0-100   
$deindomain = "http://www.domain.info/";  // unsere Domain   

if ($_FILES['userfile']['tmp_name']<> 'none')   
   { 

   // -------------------------------- 
   // Get File Upload Info 
   // -------------------------------- 

         $filename = $_FILES['pic_file']['name'];   
         $filetype = $_FILES['pic_file']['type'];   
         $filetmp = $_FILES['pic_file']['tmp_name'];   

   // -------------------------------- 
   // Check file type 
   // -------------------------------- 

   switch ($filetype) 
   { 
      case 'image/jpeg':   
      case 'image/jpg':   
      case 'image/pjpeg':   

         $pic_filetype = '.jpg';   
         break; 

      case 'image/png':   
      case 'image/x-png':   

         $pic_filetype = '.png';   
         break; 

      case 'image/gif':   

         $pic_filetype = '.gif';   
         break; 
      default: 
         die("Falsches Dateiformat. Nur JPEG, GIF oder PNG erlaubt!");   
   } 

   // -------------------------------- 
   // Generate filename 
   // -------------------------------- 

   srand((double)microtime()*1000000);   // for older than version 4.2.0 of PHP 

   do 
   { 
      $pic_filename = md5(uniqid(rand())) . $pic_filetype; 
   } 
   while( file_exists($path . $pic_filename) ); 


   // -------------------------------- 
   // Move this file to upload directory 
   // -------------------------------- 

   $ini_val = ( @phpversion() >= '4.0.0' ) ? 'ini_get' : 'get_cfg_var';   

   if ( @$ini_val('open_basedir') != '' )   
   { 
      if ( @phpversion() < '4.0.3' )   
      { 
         die("open_basedir is set and your PHP version does not allow move_uploaded_file<br /><br />Please contact your server admin");   
      } 

      $move_file = 'move_uploaded_file';   
   } 
   else 
   { 
      $move_file = 'copy';   
   } 

   $move_file($filetmp, $path . $pic_filename); 

   @chmod($path . $pic_filename, 0777); 


   // -------------------------------- 
   // Well, it's an image. Check its image size  
   // -------------------------------- 

   $pic_size = getimagesize($path . $pic_filename); 

   $pic_width = $pic_size; 
   $pic_height = $pic_size[1]; 


   // -------------------------------- 
   // This image is okay, we can cache its thumbnail now 
   // -------------------------------- 

   if($pic_filetype != '.gif')   
   { 
      $gd_errored = FALSE; 

      switch ($pic_filetype) 
      { 
         case '.jpg':   
            $read_function = 'imagecreatefromjpeg';   
            break; 
         case '.png':   
            $read_function = 'imagecreatefrompng';   
            break; 
      } 

      $src = @$read_function($path  . $pic_filename); 

      if (!$src) 
      { 
         $gd_errored = TRUE; 
         $pic_thumbnail = '';   
      } 
      else if( ($pic_width > $config_thumb_width) or ($pic_height > $config_thumb_height) ) 
      { 
         // Resize it 
         if ($pic_width > $pic_height) 
         { 
            $thumbnail_width = $config_thumb_width; 
            $thumbnail_height = $config_thumb_width * ($pic_height/$pic_width); 
         } 
         else 
         { 
            $thumbnail_height = $config_thumb_height; 
            $thumbnail_width = $config_thumb_height * ($pic_width/$pic_height); 
         } 

         $thumbnail = @imagecreatetruecolor($thumbnail_width, $thumbnail_height); 

         $resize_function = 'imagecopyresampled';   

         @$resize_function($thumbnail, $src, 0, 0, 0, 0, $thumbnail_width, $thumbnail_height, $pic_width, $pic_height); 
      } 
      else 
      { 
         $thumbnail = $src; 
      } 

      if (!$gd_errored) 
      { 
         $pic_thumbnail = $pic_filename; 

         // Write to disk 
         switch ($pic_filetype) 
         { 
            case '.jpg':   
               @imagejpeg($thumbnail, $thumb_path . $pic_thumbnail, $resizequality); 
               break; 
            case '.png':   
               @imagepng($thumbnail, $thumb_path . $pic_thumbnail); 
               break; 
         } 

         @chmod($thumb_path . $pic_thumbnail, 0777); 

      } // End IF $gd_errored 

   } // End Thumbnail Cache 


  // -------------------------------------- 
  // OK lets resize the original picture 
  // -------------------------------------- 

  if($pic_filetype != '.gif')   
  { 
    $gd_errored = FALSE; 

    switch ($pic_filetype) 
    { 
      case '.jpg':   
        $read_function = 'imagecreatefromjpeg';   
        break; 
      case '.png':   
        $read_function = 'imagecreatefrompng';   
        break; 
    } 

    $src = @$read_function($path  . $pic_filename); 

    if (!$src) 
    { 
      $gd_errored = TRUE; 
      $pic_resize = '';   
    } 
    else if( ($pic_width > $config_width) or ($pic_height > $config_height) ) 
    { 
      // Resize it 
      if ( (($pic_width / $pic_height) > ($config_width / $config_height)) ) 
      { 
        $resize_width = $config_width; 
        $resize_height = $config_width * ($pic_height/$pic_width); 
      } 
      else 
      { 
        $resize_height = $config_height; 
        $resize_width = $config_height * ($pic_width/$pic_height); 
      } 

      $resize = @imagecreatetruecolor($resize_width, $resize_height); 

      $resize_function = 'imagecopyresampled';   

      @$resize_function($resize, $src, 0, 0, 0, 0, $resize_width, $resize_height, $pic_width, $pic_height); 
    } 
    else 
    { 
      $resize = $src; 
    } 

    if (!$gd_errored) 
    { 
      $pic_resize = $pic_filename; 

      // Write to disk 
      switch ($pic_filetype) 
      { 
        case '.jpg':   
          @imagejpeg($resize, $path . $pic_resize, $resizequality); 
          break; 
        case '.png':   
          @imagepng($resize, $path . $pic_resize); 
          break; 
      } 

      @chmod($path . $pic_resize, 0777); 

    } // End IF $gd_errored 

  } // End Picture Resize 

      echo "Datei ist auf dem Server! <br><br>";   
      echo "Url des gro?en Bildes: <a href=\"$deindomain$path$pic_filename\" target=\"_blank\">".$deindomain.$path.$pic_filename;   
     echo "</a> <br><img src=\"$deindomain$path$pic_filename\"><br><br>";   
      echo "Url des Vorschaubildes: <a href=\"$deindomain$thumb_path$pic_filename\" target=\"_blank\">".$deindomain.$thumb_path.$pic_filename;   
     echo "</a> <br><img src=\"$deindomain$thumb_path$pic_filename\">";   

   } 
} else { ?> 

<form method="post" enctype="multipart/form-data" action="<?php echo $PHP_SELF ?>">   
<input type="hidden" name="MAX_FILE_SIZE" value="40000000">   
<br> 
<strong>File Upload</strong> <br> 
<br> 
<input name="pic_file" type="file" size=50>   
<br> 
<br> 
<input type="submit" name="action" value="Speichern">   
</form> 
<? 
 } 
   // ----------------------------------------- 
   // Das Script kann unter Verwendung 
   // dieses Vermerks uneingeschrankt 
   // genutzt / verandert werden. 
   //  © www.marc-gutt.de 
   // ----------------------------------------- 
?>