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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2006, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.3
* @filesource
*/
// ------------------------------------------------------------------------
/**
* CI_BASE - For PHP 4
*
* This file is used only when CodeIgniter is being run under PHP 4.
*
* In order to allow CI to work under PHP 4 we had to make the Loader class
* the parent of the Controller Base class. It's the only way we can
* enable functions like $this->load->library('email') to instantiate
* classes that can then be used within controllers as $this->email->send()
*
* PHP 4 also has trouble referencing the CI super object within application
* constructors since objects do not exist until the class is fully
* instantiated. Basically PHP 4 sucks...
*
* Since PHP 5 doesn't suffer from this problem so we load one of
* two files based on the version of PHP being run.
*
* @package CodeIgniter
* @subpackage codeigniter
* @category front-controller
* @author ExpressionEngine Dev Team
* @link http://codeigniter.com/user_guide/
*/
class CI_Base extends CI_Loader {
function CI_Base()
{
// This allows syntax like $this->load->foo() to work
parent::CI_Loader();
$this->load =& $this;
// This allows resources used within controller constructors to work
global $OBJ;
$OBJ = $this->load; // Do NOT use a reference.
}
}
function &get_instance()
{
global $CI, $OBJ;
if (is_object($CI))
{
return $CI;
}
return $OBJ->load;
}
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