php 操作sql server

$sql = "INSERT INTO  table (column ) values ('1'); SELECT SCOPE_IDENTITY()";

$stmt = sqlsrv_query($this->conn, $sql);

sqlsrv_next_result($stmt);

sqlsrv_fetch($stmt);

return sqlsrv_get_field($stmt, 0);

$sql = "select * from (

select *,ROW_NUMBER() OVER (ORDER BY sci.Id) as rank

from table where StudentId = ?  ) as t where t.rank between $minNum and $maxNum";

$stmt = sqlsrv_query($this->conn, $sql, array($studentid));