Untitled

<!DOCTYPE html>
<html>
  <head>
    <title>Multiple DnD Uploader</title>
    <link rel="stylesheet" href="style.css" />
    <script type = "text/javascript" src = "../music/jquery.js"></script>
    <script type="text/javascript">
      $(document).ready(function(){
        $('#drop').change(function(event){
          files = event.target.files;
          $('#drop').css('display', 'none');
          for(var i = 0, len = files.length; i < len; i++) {
            if((files[i].fileName+"").substring((files[i].fileName+"").length-4,(files[i].fileName+"").length)=='.mp3'){
            $.ajax({
              type: "POST",
              url: "uploader.php?id="+i,
              contentType: "multipart/form-data",
              headers: {
                "X-File-Name" : files[i].fileName,
                "X-File-Size" : files[i].fileSize,
                "X-File-Type" : files[i].type
              },
              beforeSend:  function() {
                $('#info').append('<li class="indicator"><span class="label">File Name :</span> '+files[i].fileName+' | <span class="label">Size :</span> ' + files[i].fileSize + ' | <img id="'+i+'" src="loading.gif" /></li>');
              },
              processData: false,
              data: files[i],
              success: function(data){
                $('#'+data).attr('src', 'check.png');
              },error: function(data){
                $('#info').append('Error: ' + data + '<br />');
              }
            });
            }else{
              $('#info').append('Error: Incorrect file type. Looking for .mp3');
            }
          }
        });
      });
    </script>
  </head>
  <body>
    <div id="drop">
      <h1>Drop files here</h1>
      <p>To add them as attachments</p>
      <input type="file" multiple="true" id="filesUpload" />
    </div>
    <div id="info">
    </div>
  </body>
</html>

<?php
  $headers = array();
  foreach ($_SERVER as $k => $v){
    if(substr($k, 0, 5) == "HTTP_"){
      $k = str_replace('_', ' ', substr($k, 5));
      $k = str_replace(' ', '-', ucwords(strtolower($k)));
      $headers[$k] = $v;
    }
  }
  $file = new stdClass;
  $file->name = basename($headers['X-File-Name']);
  $file->size = $headers['X-File-Size'];
  $file->content = file_get_contents("php://input");
  if(file_put_contents('files/'.$file->name, $file->content))
    echo $_GET['id'];
?>