<?php

class call
{

    public function get_from_users($user_id, $column_name)
    {
        $db = new db_safeguard();
        $res = $db->query("users", "SELECT $column_name FROM users WHERE record_id = $user_id");
        $data = $res->fetch_assoc();
        return $data[$column_name];
    }
}