请问下php集成jquery的uploadify，如何把上传图片路径保存数据库

请问下php集成jquery的uploadify，如何把上传图片路径保存数据库<link href="./uploadify/uploadify.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="./uploadify/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="./uploadify/swfobject.js"></script>
<script type="text/javascript" src="./uploadify/jquery.uploadify.v2.1.4.min.js"></script><script type="text/javascript" language="javascript">
$(document).ready(function() {
$('#file_upload').uploadify({
  'uploader'  : './uploadify/uploadify.swf',
  'script'    : './uploadify/uploadify.php',
  'cancelImg' : './uploadify/cancel.png',
  'folder'    : './uploads',
  'auto'      : true,
  'multi'     : true,
});
});
</script>
 <input id="file_upload" name="file_upload" type="file" />