Compare dates in mysql when one date is posted from another page

Question

I have been trying to compare two dates in a query, the code goes like this

WHERE   Reservation.InDate >= ".$_POST['dateSince']."
AND     (Reservation.ResStatus = 'Occupied' OR Reservation.ResStatus = 'Vacant')";

The query is working fine but it does not take the date condition into consideration, I have tried casting the two dates, I tried swapping the conditions, I tried other approaches but it seems that I am doing something wrong with the dates.

I have echoed $_POST['dateSince'] and the page does echo the date selected indeed. I would appreciate any hints.

Answer 1

this:

".$_POST['dateSince']."

should be surrounded by

'' like this

'".$_POST['dateSince']."'

and you should sanitize your variables to protect yourself against sql injection, if you're using mysql

WHERE Reservation.InDate >= '".mysql_real_escape_string($_POST['dateSince'])."'
AND (Reservation.ResStatus = 'Occupied' OR Reservation.ResStatus = 'Vacant')";

if you're using mysqli

WHERE Reservation.InDate >= '".mysqli_real_escape_string($link, $_POST['dateSince'])."'
AND (Reservation.ResStatus = 'Occupied' OR Reservation.ResStatus = 'Vacant')";

Note: better look into mysqli or PDO prepared statements...