I am submitting single query but its inserting two entries one of them with data another with blank values

Question

if(isset($_POST['sub'])){
$cbin =mysql_query("insert into tb_booking (b_hotelid,b_roomid,b_cusid,b_adults,b_kids,b_checkin,b_checkout,b_date) values('$hotelid','$rtype','$cid','$adl','$kd','$cin','$cout','$date')");
<input type="submit" name="sub" value="Submit">

Answer 1

Your code seems to be correct.... But i can't see where you close that brace ( { ) on line one

Answer 2

thanks for reply i already found the solution.