循環入庫

$arr=$_POST;
	$title=$arr['title'];
	$content=$arr['content'];
	$lenth=count($title);

	$sql="insert into article (title,content,img) values ";
	for($i=0;$i<$lenth;$i++)
	{
		$sql.="('$title[$i]','$content[$i]','$path_name'),";
	}
	$sql=substr($sql,0,-1);