$conn = odbc_connect(
"Driver={SQL Server Native Client 10.0};Server=;Database=;Trusted_Connection=yes"
, ''
, ''
);
$res = odbc_exec(
$conn
, 'SELECT SUM(1)
FROM information_schema.tables
WHERE 3 = 2'
);
$row = odbc_fetch_array($res);
odbc_free_result($res);
odbc_close($conn);
var_dump($row);