CI framework source code reading---------Model.php_PHP tutorial

[php] 

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');  

/** 

 * CodeIgniter 

 * 

 * An open source application development framework for PHP 5.1.6 or newer 

 * 

 * @package     CodeIgniter 

 * @author      ExpressionEngine Dev Team 

 * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc. 

 * @license     http://codeigniter.com/user_guide/license.html 

 * @link        http://codeigniter.com 

 * @since       Version 1.0 

 * @filesource 

 */  

  

// ------------------------------------------------------------------------  

  

/** 

 * CodeIgniter Model Class 

 * 

 * @package     CodeIgniter 

 * @subpackage  Libraries 

 * @category    Libraries 

 * @author      ExpressionEngine Dev Team 

 * @link        http://codeigniter.com/user_guide/libraries/config.html 

 */  

class CI_Model {  

  

    /** 

     * Constructor 

     * 

     * @access public 

     */  

    function __construct()  

    {  

        log_message('debug', "Model Class Initialized");  

    }  

  

    /**

* __get

*

* Allows models to access CI's loaded classes using the same

* syntax as controllers.

* Allows the model to access classes loaded by the CI controller using the same method as the controller

* @param string

* @access private

*/  

    function __get($key)  

    {  

        $CI =& get_instance();  

        return $CI->$key;  

    }  

}  

// END Model Class  

  

/* End of file Model.php */  

/* Location: ./system/core/Model.php */  

 

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