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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, pMachine, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* Code Igniter Model Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/libraries/config.html
*/
class Model {
var $_parent_name = '';
/**
* Constructor
*
* @access public
*/
function Model()
{
// If the magic __get() method is used in a Model references can't be used.
$this->_assign_libraries( (method_exists($this, '__get')) ? FALSE : TRUE );
// We don't want to assign the model object to itself when using the
// assign_libraries function below so we'll grab the name of the model parent
$methods = get_class_methods($this);
if (isset($methods[0]))
{
$this->_parent_name = $methods[0];
}
log_message('debug', "Model Class Initialized");
}
/**
* Assign Libraries
*
* Creates local references to all currently instantiated objects
* so that any syntax that can be legally used in a controller
* can be used within models.
*
* @access private
*/
function _assign_libraries($use_reference = TRUE)
{
$CI =& get_instance();
foreach (array_keys(get_object_vars($CI)) as $key)
{
if ( ! isset($this->$key) AND $key != $this->_parent_name)
{
// In some cases using references can cause
// problems so we'll conditionally use them
if ($use_reference == TRUE)
{
// Needed to prevent reference errors with some configurations
$this->$key = '';
$this->$key =& $CI->$key;
}
else
{
$this->$key = $CI->$key;
}
}
}
}
}
// END Model Class
?>
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