<?php

require_once("../conn.php");

$model = $_GET['model'];

$sql_str = "SELECT id, model, price FROM facility_price WHERE model = :model ORDER BY id DESC";
$stmt = $conn->prepare($sql_str);
$stmt->bindParam(':model', $model);
$stmt->execute();
$el = $stmt->fetch(PDO::FETCH_ASSOC);
if($el){
    $price = $el['price'];
}else{
    $price = null;
}
echo $price;