<?php
ini_set('display_errors', '1');
ini_set('display_startup_errors', '1');
error_reporting(E_ALL);

include './assets/functions.php';
include './settings/settings.php';
include './settings/config.php';

//Connect to DB
$pdo = dbConnect($dbname);
$plug_sn ='22050695';
//GET 
$sql ='SELECT accounthierarchy FROM equipment WHERE serialnumber = ?';
$stmt = $pdo->prepare($sql);
//Excute Query
$stmt->execute([$plug_sn]);
//Get results
$messages = $stmt->fetchAll(PDO::FETCH_ASSOC);

var_dump($messages[0]['accounthierarchy']);


?>