$map['from_user|to_user']=session('id');
$list=db('inside_letter')->where($where)->where('to_msg_read=2 OR from_msg_read=2')->where($map)->limit($tol,$limit)->select(); $l
$map['from_user|to_user']=session('id');
$list=db('inside_letter')->where($where)->where('to_msg_read=2 OR from_msg_read=2')->where($map)->limit($tol,$limit)->select(); $l