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<?phpif (($_FILES["file"]["type"] == "image/gif")|| ($_FILES["file"]["type"] == "image/pjpeg")&& ($_FILES["file"]["size"] < 20000))  {  if ($_FILES["file"]["error"] > 0)    {    echo "Return Code: " . $_FILES["file"]["error"] . "<br />";    }  else    {    echo "Upload: " . $_FILES["file"]["name"] . "<br />";    echo "Type: " . $_FILES["file"]["type"] . "<br />";    echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";    echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br />";    if (file_exists("upload/" . $_FILES["file"]["name"]))      {      echo $_FILES["file"]["name"] . " already exists. ";      }    else      {      move_uploaded_file($_FILES["file"]["tmp_name"],      "upload/" . $_FILES["file"]["name"]);      echo "Stored in: " . "upload/" . $_FILES["file"]["name"];      }    }  }else  {  echo "Invalid file";  }?>