ACC SHELL

<?php

  /*
  Easy PHP Framework

  Copyright (c) 2005 Michal Molhanec

  This software is provided 'as-is', without any express or implied
  warranty. In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute
  it freely, subject to the following restrictions:

      1. The origin of this software must not be misrepresented;
         you must not claim that you wrote the original software.
         If you use this software in a product, an acknowledgment
         in the product documentation would be appreciated but
         is not required.

      2. Altered source versions must be plainly marked as such,
         and must not be misrepresented as being the original software.

      3. This notice may not be removed or altered from any
         source distribution.
  */

  /**
   *  This class represents user.
   */
  class User implements ArrayAccess {
  
    private $id;
    private $properties = array();

    function __construct($id) {
      $this->id = $id;
    }
    
    function get_id() {
      return $this->id;
    }
    
    function isAdmin() {
      return FALSE;
    }

    ///////////////////////////////////////////////////////////////
    //// ArrayAccess API
    ///////////////////////////////////////////////////////////////

    function offsetExists($offset) {
      return isset($this->properties[$offset]);
    }
    
    function offsetGet($offset) {
      return $this->properties[$offset];
    }

    function offsetSet($offset, $value) {
      $this->properties[$offset] = $value;
    }

    function offsetUnset($offset) {
      unset($this->properties[$offset]);
    }


  }

  class AdminUser extends User {
  
    function isAdmin() {
      return TRUE;
    }

  }

?>