<?php
$sql = 'SELECT * FROM users WHERE user_id = ?;';
$value = \Models\DB::getInstance()->query($sql, array('1'));

if ($value->getCount() && !$value->error()) {
    foreach ($value->getResult() as $result) {
        echo $result->user_id;
        echo $result->user_name;
        echo $result->user_email;
        echo $result->user_password;
        echo $result->user_is_admin;
        echo $result->user_creation_time;
    }
}