CI framework source code reading --------- Model. php

[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 * // optional/*** 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. * allow the model to access the class 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 */