$allowedExts = array("mp3", "jpeg", "jpg", "png");
 $temp = explode(".", $_FILES["file"]["name"]);
 $extension = end($temp);

 if ((($_FILES["file"]["type"] == "audio/mp3")
        || ($_FILES["file"]["type"] == "image/jpeg")
        || ($_FILES["file"]["type"] == "image/jpg")
        || ($_FILES["file"]["type"] == "image/pjpeg")
        || ($_FILES["file"]["type"] == "image/x-png")
        || ($_FILES["file"]["type"] == "image/png"))
        && in_array($extension, $allowedExts))
{
   if ($_FILES["file"]["error"] > 0)
   {
      echo "Return Code: " . $_FILES["file"]["error"] . "
";
   }
   else
   {
      echo "Upload: " . $_FILES["file"]["name"] . "
";
      echo "Type: " . $_FILES["file"]["type"] . "
";
      echo "Size: " . ($_FILES["file"]["size"] / 1024) . " kB
";
      echo "Temp file: " . $_FILES["file"]["tmp_name"] . "
";

      if (file_exists("../soundclips/" . $_FILES["file"]["name"]))
      {
         echo $_FILES["file"]["name"] . " already exists. ";
      }
      else
      {
         move_uploaded_file($_FILES["file"]["tmp_name"],
         "../soundclips/" . $_FILES["file"]["name"]);
         echo "Stored in: " . "../soundclips/" . $_FILES["file"]["name"];
      }
   }
}
else
{
    echo "Invalid file";
}