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Diffstat (limited to 'system/core/Base4.php')
-rw-r--r-- | system/core/Base4.php | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/system/core/Base4.php b/system/core/Base4.php new file mode 100644 index 000000000..3561c2564 --- /dev/null +++ b/system/core/Base4.php @@ -0,0 +1,69 @@ +<?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. + * + * @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/codeigniter/Base4.php */
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