Customers pick When finished If on the book, such as the selection of Van Dyke VT01 from 1/07/59 - 2/07/59-day period, you will not be able to book your car again. It is based on the availability of the vehicle.
I made a separate table Storage booking Van table separately too.
Tables, storage, booked by id_car I take from the table and put the van.
https://s32.postimg.org/lqrclkbl1/image.png
Table of van
https://s31.postimg.org/pb8zg7pwb/Untitled.png
This is the code that I defined it booked only three people per day.
$date = "$rn_gostart"; //กำหนดค้นวันที่
$result = mysqli_query($mysqli,"select * from vn_rent where rn_gostart = '$date'");
$ckd = mysqli_num_rows($result);
if($ckd >= 3){
$msg = "<div class='alert alert-danger'>
<span class='glyphicon glyphicon-info-sign'></span> วันที่จองเต็มแล้ว
</div>";
}else{
Sorry I am not good at English Please help me