如何将表中的日期与codeigniter中排除时间的当前日期进行比较

In controller:

$today = date("Y-m-d",  time());
$data['details'] = $this->admin_model->getTodayOrders('dt_manage_orders', $today); 

In Model:

public function getTodayOrders($table, $today)
{
$result=$this->db->select('*')->from($table);
return $this->db->like('Booking_Date', $today, 'before');   
}

But it showing some null values

In my table all dates are 2015-09-16 11:12:50, 2015-09-16 12:12:50

But I want in my result date should be in 16/09/2015 like this... Please help me how to do this in codeigniter

Try this:

public function getTodayOrders($table, $today){
    $this->db->select('*')->from($table);
    $this->db->like('Booking_Date', $today, 'after');
    return $this->db->get()->result_array();   
}