$(document).ready(function(){
     $(document).on('click','#More',function(){
        var id = $(".theID").last().val();
        alert(id);
        $.ajax({
            url:'/more',
            method: 'POST',
            data:{id:id},
            success:function(data){
                //if(data != ''){
                    $('#rank').append(data);
                /*}else{
                    $('#Load').remove();
                }*/
            }
        });
     });
 });

$datas = User::loadMore($_POST['id']);
echo View::getTemplate('User/data.html',['datas'=>$datas]);

<tr>
<td> <span>blabla</span></td>
<button class='theID' value="{{user.ID}}" style='display: none'></button>
</tr>