Map Class

MyMap.php

class MyMap 
{
  public $user_id;
  public $first_name;
  public $last_name;
  public $email;
  
  public function __set($key, $val)
  {
    // can't set the user_id, that's a db item
    if ($key != $user_id) {
      $this[$key] = $val;
    }
  }
  
  public function save()
  {
    if (!empty($this->user_id) {
      // save call
      // sql code goes here
    } else {
      // update call
      // sql code goes here
    }
  }
}