what's wrong with my code at line 6, it's give blank page, the output can't display.
$kp = $_POST['kp'];
$kp2 = $_POST['kp2'];
$kp3 = $_POST['kp3'];
require("conn.php");
$sql = "select * from pemohon where kp_baru='$kp' AND kp_baru2='$kp2' AND kp_baru3='$kp3'";