<?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) 2008 - 2010, 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. * @PHP4 * * @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; } /* End of file Base4.php */ /* Location: ./system/core/Base4.php */