Selecting Item From Category id Please0Help : Please Help me i'm trying to select items for my different category table but its shows only the i use with If() and i'm trying to use elseif

    if($get_idy='Cars'){	
				$sel = mysqli_query($con,"SELECT * FROM item WHERE category='Cars' ");
				}elseif($get_idy='Trucks'){
                                $sel = mysqli_query($con,"SELECT * FROM item WHERE category='Cars' ");
                                 }
				while($row= mysqli_fetch_array($sel))
				{

Please can someone help me 