Changing EOL style to LF

1 files changed, 1087 insertions, 1087 deletions

diff --git a/system/libraries/Loader.php b/system/libraries/Loader.php
index da8d9e761..b58cc7d72 100644
--- a/system/libraries/Loader.php
+++ b/system/libraries/Loader.php
@@ -1,1088 +1,1088 @@
-<?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, EllisLab, Inc.

- * @license		http://codeigniter.com/user_guide/license.html

- * @link		http://codeigniter.com

- * @since		Version 1.0

- * @filesource

- */

-

-// ------------------------------------------------------------------------

-

-/**

- * Loader Class

- *

- * Loads views and files

- *

- * @package		CodeIgniter

- * @subpackage	Libraries

- * @author		ExpressionEngine Dev Team

- * @category	Loader

- * @link		http://codeigniter.com/user_guide/libraries/loader.html

- */

-class CI_Loader {

-

-	// All these are set automatically. Don't mess with them.

-	var $_ci_ob_level;

-	var $_ci_view_path		= '';

-	var $_ci_is_php5		= FALSE;

-	var $_ci_is_instance 	= FALSE; // Whether we should use $this or $CI =& get_instance()

-	var $_ci_cached_vars	= array();

-	var $_ci_classes		= array();

-	var $_ci_loaded_files	= array();

-	var $_ci_models			= array();

-	var $_ci_helpers		= array();

-	var $_ci_plugins		= array();

-	var $_ci_varmap			= array('unit_test' => 'unit', 'user_agent' => 'agent');

-	

-

-	/**

-	 * Constructor

-	 *

-	 * Sets the path to the view files and gets the initial output buffering level

-	 *

-	 * @access	public

-	 */

-	function CI_Loader()

-	{	

-		$this->_ci_is_php5 = (floor(phpversion()) >= 5) ? TRUE : FALSE;

-		$this->_ci_view_path = APPPATH.'views/';

-		$this->_ci_ob_level  = ob_get_level();

-				

-		log_message('debug', "Loader Class Initialized");

-	}

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Class Loader

-	 *

-	 * This function lets users load and instantiate classes.

-	 * It is designed to be called from a user's app controllers.

-	 *

-	 * @access	public

-	 * @param	string	the name of the class

-	 * @param	mixed	the optional parameters

-	 * @param	string	an optional object name

-	 * @return	void

-	 */	

-	function library($library = '', $params = NULL, $object_name = NULL)

-	{

-		if ($library == '')

-		{

-			return FALSE;

-		}

-

-		if ( ! is_null($params) AND ! is_array($params))

-		{

-			$params = NULL;

-		}

-

-		if (is_array($library))

-		{

-			foreach ($library as $class)

-			{

-				$this->_ci_load_class($class, $params, $object_name);

-			}

-		}

-		else

-		{

-			$this->_ci_load_class($library, $params, $object_name);

-		}

-		

-		$this->_ci_assign_to_models();

-	}

-

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Model Loader

-	 *

-	 * This function lets users load and instantiate models.

-	 *

-	 * @access	public

-	 * @param	string	the name of the class

-	 * @param	string	name for the model

-	 * @param	bool	database connection

-	 * @return	void

-	 */	

-	function model($model, $name = '', $db_conn = FALSE)

-	{		

-		if (is_array($model))

-		{

-			foreach($model as $babe)

-			{

-				$this->model($babe);	

-			}

-			return;

-		}

-

-		if ($model == '')

-		{

-			return;

-		}

-	

-		// Is the model in a sub-folder? If so, parse out the filename and path.

-		if (strpos($model, '/') === FALSE)

-		{

-			$path = '';

-		}

-		else

-		{

-			$x = explode('/', $model);

-			$model = end($x);			

-			unset($x[count($x)-1]);

-			$path = implode('/', $x).'/';

-		}

-	

-		if ($name == '')

-		{

-			$name = $model;

-		}

-		

-		if (in_array($name, $this->_ci_models, TRUE))

-		{

-			return;

-		}

-		

-		$CI =& get_instance();

-		if (isset($CI->$name))

-		{

-			show_error('The model name you are loading is the name of a resource that is already being used: '.$name);

-		}

-	

-		$model = strtolower($model);

-		

-		if ( ! file_exists(APPPATH.'models/'.$path.$model.EXT))

-		{

-			show_error('Unable to locate the model you have specified: '.$model);

-		}

-				

-		if ($db_conn !== FALSE AND ! class_exists('CI_DB'))

-		{

-			if ($db_conn === TRUE)

-				$db_conn = '';

-		

-			$CI->load->database($db_conn, FALSE, TRUE);

-		}

-	

-		if ( ! class_exists('Model'))

-		{

-			load_class('Model', FALSE);

-		}

-

-		require_once(APPPATH.'models/'.$path.$model.EXT);

-

-		$model = ucfirst($model);

-				

-		$CI->$name = new $model();

-		$CI->$name->_assign_libraries();

-		

-		$this->_ci_models[] = $name;	

-	}

-		

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Database Loader

-	 *

-	 * @access	public

-	 * @param	string	the DB credentials

-	 * @param	bool	whether to return the DB object

-	 * @param	bool	whether to enable active record (this allows us to override the config setting)

-	 * @return	object

-	 */	

-	function database($params = '', $return = FALSE, $active_record = FALSE)

-	{

-		// Grab the super object

-		$CI =& get_instance();

-		

-		// Do we even need to load the database class?

-		if (class_exists('CI_DB') AND $return == FALSE AND $active_record == FALSE AND isset($CI->db) AND is_object($CI->db))

-		{

-			return FALSE;

-		}	

-	

-		require_once(BASEPATH.'database/DB'.EXT);

-

-		if ($return === TRUE)

-		{

-			return DB($params, $active_record);

-		}

-		

-		// Initialize the db variable.  Needed to prevent   

-		// reference errors with some configurations

-		$CI->db = '';

-		

-		// Load the DB class

-		$CI->db =& DB($params, $active_record);	

-		

-		// Assign the DB object to any existing models

-		$this->_ci_assign_to_models();

-	}

-	

-	// --------------------------------------------------------------------

-

-	/**

-	 * Load the Utilities Class

-	 *

-	 * @access	public

-	 * @return	string		

-	 */		

-	function dbutil()

-	{

-		if ( ! class_exists('CI_DB'))

-		{

-			$this->database();

-		}

-		

-		$CI =& get_instance();

-

-		// for backwards compatibility, load dbforge so we can extend dbutils off it

-		// this use is deprecated and strongly discouraged

-		$CI->load->dbforge();

-	

-		require_once(BASEPATH.'database/DB_utility'.EXT);

-		require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility'.EXT);

-		$class = 'CI_DB_'.$CI->db->dbdriver.'_utility';

-

-		$CI->dbutil =& new $class();

-

-		$CI->load->_ci_assign_to_models();

-	}

-	

-	// --------------------------------------------------------------------

-

-	/**

-	 * Load the Database Forge Class

-	 *

-	 * @access	public

-	 * @return	string		

-	 */		

-	function dbforge()

-	{

-		if ( ! class_exists('CI_DB'))

-		{

-			$this->database();

-		}

-		

-		$CI =& get_instance();

-	

-		require_once(BASEPATH.'database/DB_forge'.EXT);

-		require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_forge'.EXT);

-		$class = 'CI_DB_'.$CI->db->dbdriver.'_forge';

-

-		$CI->dbforge = new $class();

-		

-		$CI->load->_ci_assign_to_models();

-	}

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Load View

-	 *

-	 * This function is used to load a "view" file.  It has three parameters:

-	 *

-	 * 1. The name of the "view" file to be included.

-	 * 2. An associative array of data to be extracted for use in the view.

-	 * 3. TRUE/FALSE - whether to return the data or load it.  In

-	 * some cases it's advantageous to be able to return data so that

-	 * a developer can process it in some way.

-	 *

-	 * @access	public

-	 * @param	string

-	 * @param	array

-	 * @param	bool

-	 * @return	void

-	 */

-	function view($view, $vars = array(), $return = FALSE)

-	{

-		return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));

-	}

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Load File

-	 *

-	 * This is a generic file loader

-	 *

-	 * @access	public

-	 * @param	string

-	 * @param	bool

-	 * @return	string

-	 */

-	function file($path, $return = FALSE)

-	{

-		return $this->_ci_load(array('_ci_path' => $path, '_ci_return' => $return));

-	}

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Set Variables

-	 *

-	 * Once variables are set they become available within

-	 * the controller class and its "view" files.

-	 *

-	 * @access	public

-	 * @param	array

-	 * @return	void

-	 */

-	function vars($vars = array(), $val = '')

-	{

-		if ($val != '' AND is_string($vars))

-		{

-			$vars = array($vars => $val);

-		}

-	

-		$vars = $this->_ci_object_to_array($vars);

-	

-		if (is_array($vars) AND count($vars) > 0)

-		{

-			foreach ($vars as $key => $val)

-			{

-				$this->_ci_cached_vars[$key] = $val;

-			}

-		}

-	}

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Load Helper

-	 *

-	 * This function loads the specified helper file.

-	 *

-	 * @access	public

-	 * @param	mixed

-	 * @return	void

-	 */

-	function helper($helpers = array())

-	{

-		if ( ! is_array($helpers))

-		{

-			$helpers = array($helpers);

-		}

-	

-		foreach ($helpers as $helper)

-		{		

-			$helper = strtolower(str_replace(EXT, '', str_replace('_helper', '', $helper)).'_helper');

-

-			if (isset($this->_ci_helpers[$helper]))

-			{

-				continue;

-			}

-			

-			$ext_helper = APPPATH.'helpers/'.config_item('subclass_prefix').$helper.EXT;

-

-			// Is this a helper extension request?			

-			if (file_exists($ext_helper))

-			{

-				$base_helper = BASEPATH.'helpers/'.$helper.EXT;

-				

-				if ( ! file_exists($base_helper))

-				{

-					show_error('Unable to load the requested file: helpers/'.$helper.EXT);

-				}

-				

-				include_once($ext_helper);

-				include_once($base_helper);

-			}

-			elseif (file_exists(APPPATH.'helpers/'.$helper.EXT))

-			{ 

-				include_once(APPPATH.'helpers/'.$helper.EXT);

-			}

-			else

-			{		

-				if (file_exists(BASEPATH.'helpers/'.$helper.EXT))

-				{

-					include_once(BASEPATH.'helpers/'.$helper.EXT);

-				}

-				else

-				{

-					show_error('Unable to load the requested file: helpers/'.$helper.EXT);

-				}

-			}

-

-			$this->_ci_helpers[$helper] = TRUE;

-			log_message('debug', 'Helper loaded: '.$helper);	

-		}		

-	}

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Load Helpers

-	 *

-	 * This is simply an alias to the above function in case the

-	 * user has written the plural form of this function.

-	 *

-	 * @access	public

-	 * @param	array

-	 * @return	void

-	 */

-	function helpers($helpers = array())

-	{

-		$this->helper($helpers);

-	}

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Load Plugin

-	 *

-	 * This function loads the specified plugin.

-	 *

-	 * @access	public

-	 * @param	array

-	 * @return	void

-	 */

-	function plugin($plugins = array())

-	{

-		if ( ! is_array($plugins))

-		{

-			$plugins = array($plugins);

-		}

-	

-		foreach ($plugins as $plugin)

-		{	

-			$plugin = strtolower(str_replace(EXT, '', str_replace('_pi', '', $plugin)).'_pi');		

-

-			if (isset($this->_ci_plugins[$plugin]))

-			{

-				continue;

-			}

-

-			if (file_exists(APPPATH.'plugins/'.$plugin.EXT))

-			{

-				include_once(APPPATH.'plugins/'.$plugin.EXT);	

-			}

-			else

-			{

-				if (file_exists(BASEPATH.'plugins/'.$plugin.EXT))

-				{

-					include_once(BASEPATH.'plugins/'.$plugin.EXT);	

-				}

-				else

-				{

-					show_error('Unable to load the requested file: plugins/'.$plugin.EXT);

-				}

-			}

-			

-			$this->_ci_plugins[$plugin] = TRUE;

-			log_message('debug', 'Plugin loaded: '.$plugin);

-		}		

-	}

-

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Load Plugins

-	 *

-	 * This is simply an alias to the above function in case the

-	 * user has written the plural form of this function.

-	 *

-	 * @access	public

-	 * @param	array

-	 * @return	void

-	 */

-	function plugins($plugins = array())

-	{

-		$this->plugin($plugins);

-	}

-		

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Loads a language file

-	 *

-	 * @access	public

-	 * @param	array

-	 * @param	string

-	 * @return	void

-	 */

-	function language($file = array(), $lang = '')

-	{

-		$CI =& get_instance();

-

-		if ( ! is_array($file))

-		{

-			$file = array($file);

-		}

-

-		foreach ($file as $langfile)

-		{	

-			$CI->lang->load($langfile, $lang);

-		}

-	}

-

-	/**

-	 * Loads language files for scaffolding

-	 *

-	 * @access	public

-	 * @param	string

-	 * @return	arra

-	 */

-	function scaffold_language($file = '', $lang = '', $return = FALSE)

-	{

-		$CI =& get_instance();

-		return $CI->lang->load($file, $lang, $return);

-	}

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Loads a config file

-	 *

-	 * @access	public

-	 * @param	string

-	 * @return	void

-	 */

-	function config($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)

-	{			

-		$CI =& get_instance();

-		$CI->config->load($file, $use_sections, $fail_gracefully);

-	}

-

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Scaffolding Loader

-	 *

-	 * This initializing function works a bit different than the

-	 * others. It doesn't load the class.  Instead, it simply

-	 * sets a flag indicating that scaffolding is allowed to be

-	 * used.  The actual scaffolding function below is

-	 * called by the front controller based on whether the

-	 * second segment of the URL matches the "secret" scaffolding

-	 * word stored in the application/config/routes.php

-	 *

-	 * @access	public

-	 * @param	string

-	 * @return	void

-	 */	

-	function scaffolding($table = '')

-	{		

-		if ($table === FALSE)

-		{

-			show_error('You must include the name of the table you would like to access when you initialize scaffolding');

-		}

-		

-		$CI =& get_instance();

-		$CI->_ci_scaffolding = TRUE;

-		$CI->_ci_scaff_table = $table;

-	}

-

-	// --------------------------------------------------------------------

-		

-	/**

-	 * Loader

-	 *

-	 * This function is used to load views and files.

-	 * Variables are prefixed with _ci_ to avoid symbol collision with

-	 * variables made available to view files

-	 *

-	 * @access	private

-	 * @param	array

-	 * @return	void

-	 */

-	function _ci_load($_ci_data)

-	{

-		// Set the default data variables

-		foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val)

-		{

-			$$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];

-		}

-

-		// Set the path to the requested file

-		if ($_ci_path == '')

-		{

-			$_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);

-			$_ci_file = ($_ci_ext == '') ? $_ci_view.EXT : $_ci_view;

-			$_ci_path = $this->_ci_view_path.$_ci_file;

-		}

-		else

-		{

-			$_ci_x = explode('/', $_ci_path);

-			$_ci_file = end($_ci_x);

-		}

-		

-		if ( ! file_exists($_ci_path))

-		{

-			show_error('Unable to load the requested file: '.$_ci_file);

-		}

-	

-		// This allows anything loaded using $this->load (views, files, etc.)

-		// to become accessible from within the Controller and Model functions.

-		// Only needed when running PHP 5

-		

-		if ($this->_ci_is_instance())

-		{

-			$_ci_CI =& get_instance();

-			foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)

-			{

-				if ( ! isset($this->$_ci_key))

-				{

-					$this->$_ci_key =& $_ci_CI->$_ci_key;

-				}

-			}

-		}

-

-		/*

-		 * Extract and cache variables

-		 *

-		 * You can either set variables using the dedicated $this->load_vars()

-		 * function or via the second parameter of this function. We'll merge

-		 * the two types and cache them so that views that are embedded within

-		 * other views can have access to these variables.

-		 */	

-		if (is_array($_ci_vars))

-		{

-			$this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars);

-		}

-		extract($this->_ci_cached_vars);

-				

-		/*

-		 * Buffer the output

-		 *

-		 * We buffer the output for two reasons:

-		 * 1. Speed. You get a significant speed boost.

-		 * 2. So that the final rendered template can be

-		 * post-processed by the output class.  Why do we

-		 * need post processing?  For one thing, in order to

-		 * show the elapsed page load time.  Unless we

-		 * can intercept the content right before it's sent to

-		 * the browser and then stop the timer it won't be accurate.

-		 */

-		ob_start();

-				

-		// If the PHP installation does not support short tags we'll

-		// do a little string replacement, changing the short tags

-		// to standard PHP echo statements.

-		

-		if ((bool) @ini_get('short_open_tag') === FALSE AND config_item('rewrite_short_tags') == TRUE)

-		{

-			echo eval('?>'.preg_replace("/;*\s*\?>/", "; ?>", str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));

-		}

-		else

-		{

-			include($_ci_path); // include() vs include_once() allows for multiple views with the same name

-		}

-		

-		log_message('debug', 'File loaded: '.$_ci_path);

-		

-		// Return the file data if requested

-		if ($_ci_return === TRUE)

-		{		

-			$buffer = ob_get_contents();

-			@ob_end_clean();

-			return $buffer;

-		}

-

-		/*

-		 * Flush the buffer... or buff the flusher?

-		 *

-		 * In order to permit views to be nested within

-		 * other views, we need to flush the content back out whenever

-		 * we are beyond the first level of output buffering so that

-		 * it can be seen and included properly by the first included

-		 * template and any subsequent ones. Oy!

-		 *

-		 */	

-		if (ob_get_level() > $this->_ci_ob_level + 1)

-		{

-			ob_end_flush();

-		}

-		else

-		{

-			// PHP 4 requires that we use a global

-			global $OUT;

-			$OUT->append_output(ob_get_contents());

-			@ob_end_clean();

-		}

-	}

-

-	// --------------------------------------------------------------------

-

-	/**

-	 * Load class

-	 *

-	 * This function loads the requested class.

-	 *

-	 * @access	private

-	 * @param 	string	the item that is being loaded

-	 * @param	mixed	any additional parameters

-	 * @param	string	an optional object name

-	 * @return 	void

-	 */

-	function _ci_load_class($class, $params = NULL, $object_name = NULL)

-	{	

-		// Get the class name, and while we're at it trim any slashes.  

-		// The directory path can be included as part of the class name, 

-		// but we don't want a leading slash

-		$class = str_replace(EXT, '', trim($class, '/'));

-	

-		// Was the path included with the class name?

-		// We look for a slash to determine this

-		$subdir = '';

-		if (strpos($class, '/') !== FALSE)

-		{

-			// explode the path so we can separate the filename from the path

-			$x = explode('/', $class);	

-			

-			// Reset the $class variable now that we know the actual filename

-			$class = end($x);

-			

-			// Kill the filename from the array

-			unset($x[count($x)-1]);

-			

-			// Glue the path back together, sans filename

-			$subdir = implode($x, '/').'/';

-		}

-

-		// We'll test for both lowercase and capitalized versions of the file name

-		foreach (array(ucfirst($class), strtolower($class)) as $class)

-		{

-			$subclass = APPPATH.'libraries/'.$subdir.config_item('subclass_prefix').$class.EXT;

-

-			// Is this a class extension request?			

-			if (file_exists($subclass))

-			{

-				$baseclass = BASEPATH.'libraries/'.ucfirst($class).EXT;

-				

-				if ( ! file_exists($baseclass))

-				{

-					log_message('error', "Unable to load the requested class: ".$class);

-					show_error("Unable to load the requested class: ".$class);

-				}

-

-				// Safety:  Was the class already loaded by a previous call?

-				if (in_array($subclass, $this->_ci_loaded_files))

-				{

-					// Before we deem this to be a duplicate request, let's see

-					// if a custom object name is being supplied.  If so, we'll

-					// return a new instance of the object

-					if ( ! is_null($object_name))

-					{

-						$CI =& get_instance();

-						if ( ! isset($CI->$object_name))

-						{

-							return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name);			

-						}

-					}

-					

-					$is_duplicate = TRUE;

-					log_message('debug', $class." class already loaded. Second attempt ignored.");

-					return;

-				}

-	

-				include_once($baseclass);				

-				include_once($subclass);

-				$this->_ci_loaded_files[] = $subclass;

-	

-				return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name);			

-			}

-		

-			// Lets search for the requested library file and load it.

-			$is_duplicate = FALSE;		

-			for ($i = 1; $i < 3; $i++)

-			{

-				$path = ($i % 2) ? APPPATH : BASEPATH;	

-				$filepath = $path.'libraries/'.$subdir.$class.EXT;

-				

-				// Does the file exist?  No?  Bummer...

-				if ( ! file_exists($filepath))

-				{

-					continue;

-				}

-				

-				// Safety:  Was the class already loaded by a previous call?

-				if (in_array($filepath, $this->_ci_loaded_files))

-				{

-					// Before we deem this to be a duplicate request, let's see

-					// if a custom object name is being supplied.  If so, we'll

-					// return a new instance of the object

-					if ( ! is_null($object_name))

-					{

-						$CI =& get_instance();

-						if ( ! isset($CI->$object_name))

-						{

-							return $this->_ci_init_class($class, '', $params, $object_name);

-						}

-					}

-				

-					$is_duplicate = TRUE;

-					log_message('debug', $class." class already loaded. Second attempt ignored.");

-					return;

-				}

-				

-				include_once($filepath);

-				$this->_ci_loaded_files[] = $filepath;

-				return $this->_ci_init_class($class, '', $params, $object_name);

-			}

-		} // END FOREACH

-

-		// One last attempt.  Maybe the library is in a subdirectory, but it wasn't specified?

-		if ($subdir == '')

-		{

-			$path = strtolower($class).'/'.$class;

-			return $this->_ci_load_class($path, $params);

-		}

-		

-		// If we got this far we were unable to find the requested class.

-		// We do not issue errors if the load call failed due to a duplicate request

-		if ($is_duplicate == FALSE)

-		{

-			log_message('error', "Unable to load the requested class: ".$class);

-			show_error("Unable to load the requested class: ".$class);

-		}

-	}

-	

-	// --------------------------------------------------------------------

-

-	/**

-	 * Instantiates a class

-	 *

-	 * @access	private

-	 * @param	string

-	 * @param	string

-	 * @param	string	an optional object name

-	 * @return	null

-	 */

-	function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL)

-	{	

-		// Is there an associated config file for this class?

-		if ($config === NULL)

-		{

-			// We test for both uppercase and lowercase, for servers that

-			// are case-sensitive with regard to file names

-			if (file_exists(APPPATH.'config/'.strtolower($class).EXT))

-			{

-				include_once(APPPATH.'config/'.strtolower($class).EXT);

-			}			

-			else

-			{

-				if (file_exists(APPPATH.'config/'.ucfirst(strtolower($class)).EXT))

-				{

-					include_once(APPPATH.'config/'.ucfirst(strtolower($class)).EXT);

-				}			

-			}

-		}

-		

-		if ($prefix == '')

-		{			

-			if (class_exists('CI_'.$class)) 

-			{

-				$name = 'CI_'.$class;

-			}

-			elseif (class_exists(config_item('subclass_prefix').$class)) 

-			{

-				$name = config_item('subclass_prefix').$class;

-			}

-			else

-			{

-				$name = $class;

-			}

-		}

-		else

-		{

-			$name = $prefix.$class;

-		}

-		

-		// Is the class name valid?

-		if ( ! class_exists($name))

-		{

-			log_message('error', "Non-existent class: ".$name);

-			show_error("Non-existent class: ".$class);

-		}

-		

-		// Set the variable name we will assign the class to

-		// Was a custom class name supplied?  If so we'll use it

-		$class = strtolower($class);

-		

-		if (is_null($object_name))

-		{

-			$classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];

-		}

-		else

-		{

-			$classvar = $object_name;

-		}

-

-		// Save the class name and object name		

-		$this->_ci_classes[$class] = $classvar;

-

-		// Instantiate the class		

-		$CI =& get_instance();

-		if ($config !== NULL)

-		{

-			$CI->$classvar = new $name($config);

-		}

-		else

-		{		

-			$CI->$classvar = new $name;

-		}	

-	} 	

-	

-	// --------------------------------------------------------------------

-	

-	/**

-	 * Autoloader

-	 *

-	 * The config/autoload.php file contains an array that permits sub-systems,

-	 * libraries, plugins, and helpers to be loaded automatically.

-	 *

-	 * @access	private

-	 * @param	array

-	 * @return	void

-	 */

-	function _ci_autoloader()

-	{	

-		include_once(APPPATH.'config/autoload'.EXT);

-		

-		if ( ! isset($autoload))

-		{

-			return FALSE;

-		}

-		

-		// Load any custom config file

-		if (count($autoload['config']) > 0)

-		{			

-			$CI =& get_instance();

-			foreach ($autoload['config'] as $key => $val)

-			{

-				$CI->config->load($val);

-			}

-		}		

-

-		// Autoload plugins, helpers and languages

-		foreach (array('helper', 'plugin', 'language') as $type)

-		{			

-			if (isset($autoload[$type]) AND count($autoload[$type]) > 0)

-			{

-				$this->$type($autoload[$type]);

-			}		

-		}

-

-		// A little tweak to remain backward compatible

-		// The $autoload['core'] item was deprecated

-		if ( ! isset($autoload['libraries']))

-		{

-			$autoload['libraries'] = $autoload['core'];

-		}

-		

-		// Load libraries

-		if (isset($autoload['libraries']) AND count($autoload['libraries']) > 0)

-		{

-			// Load the database driver.

-			if (in_array('database', $autoload['libraries']))

-			{

-				$this->database();

-				$autoload['libraries'] = array_diff($autoload['libraries'], array('database'));

-			}

-

-			// Load scaffolding

-			if (in_array('scaffolding', $autoload['libraries']))

-			{

-				$this->scaffolding();

-				$autoload['libraries'] = array_diff($autoload['libraries'], array('scaffolding'));

-			}

-		

-			// Load all other libraries

-			foreach ($autoload['libraries'] as $item)

-			{

-				$this->library($item);

-			}

-		}		

-

-		// Autoload models

-		if (isset($autoload['model']))

-		{

-			$this->model($autoload['model']);

-		}

-

-	}

-	

-	// --------------------------------------------------------------------

-

-	/**

-	 * Assign to Models

-	 *

-	 * Makes sure that anything loaded by the loader class (libraries, plugins, etc.)

-	 * will be available to models, if any exist.

-	 *

-	 * @access	private

-	 * @param	object

-	 * @return	array

-	 */

-	function _ci_assign_to_models()

-	{

-		if (count($this->_ci_models) == 0)

-		{

-			return;

-		}

-	

-		if ($this->_ci_is_instance())

-		{

-			$CI =& get_instance();

-			foreach ($this->_ci_models as $model)

-			{			

-				$CI->$model->_assign_libraries();

-			}

-		}

-		else

-		{		

-			foreach ($this->_ci_models as $model)

-			{			

-				$this->$model->_assign_libraries();

-			}

-		}

-	}  	

-

-	// --------------------------------------------------------------------

-

-	/**

-	 * Object to Array

-	 *

-	 * Takes an object as input and converts the class variables to array key/vals

-	 *

-	 * @access	private

-	 * @param	object

-	 * @return	array

-	 */

-	function _ci_object_to_array($object)

-	{

-		return (is_object($object)) ? get_object_vars($object) : $object;

-	}

-

-	// --------------------------------------------------------------------

-

-	/**

-	 * Determines whether we should use the CI instance or $this

-	 *

-	 * @access	private

-	 * @return	bool

-	 */

-	function _ci_is_instance()

-	{

-		if ($this->_ci_is_php5 == TRUE)

-		{

-			return TRUE;

-		}

-	

-		global $CI;

-		return (is_object($CI)) ? TRUE : FALSE;

-	}

-

-}

-

-/* End of file Loader.php */

+<?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, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Loader Class
+ *
+ * Loads views and files
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @author		ExpressionEngine Dev Team
+ * @category	Loader
+ * @link		http://codeigniter.com/user_guide/libraries/loader.html
+ */
+class CI_Loader {
+
+	// All these are set automatically. Don't mess with them.
+	var $_ci_ob_level;
+	var $_ci_view_path		= '';
+	var $_ci_is_php5		= FALSE;
+	var $_ci_is_instance 	= FALSE; // Whether we should use $this or $CI =& get_instance()
+	var $_ci_cached_vars	= array();
+	var $_ci_classes		= array();
+	var $_ci_loaded_files	= array();
+	var $_ci_models			= array();
+	var $_ci_helpers		= array();
+	var $_ci_plugins		= array();
+	var $_ci_varmap			= array('unit_test' => 'unit', 'user_agent' => 'agent');
+	
+
+	/**
+	 * Constructor
+	 *
+	 * Sets the path to the view files and gets the initial output buffering level
+	 *
+	 * @access	public
+	 */
+	function CI_Loader()
+	{	
+		$this->_ci_is_php5 = (floor(phpversion()) >= 5) ? TRUE : FALSE;
+		$this->_ci_view_path = APPPATH.'views/';
+		$this->_ci_ob_level  = ob_get_level();
+				
+		log_message('debug', "Loader Class Initialized");
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Class Loader
+	 *
+	 * This function lets users load and instantiate classes.
+	 * It is designed to be called from a user's app controllers.
+	 *
+	 * @access	public
+	 * @param	string	the name of the class
+	 * @param	mixed	the optional parameters
+	 * @param	string	an optional object name
+	 * @return	void
+	 */	
+	function library($library = '', $params = NULL, $object_name = NULL)
+	{
+		if ($library == '')
+		{
+			return FALSE;
+		}
+
+		if ( ! is_null($params) AND ! is_array($params))
+		{
+			$params = NULL;
+		}
+
+		if (is_array($library))
+		{
+			foreach ($library as $class)
+			{
+				$this->_ci_load_class($class, $params, $object_name);
+			}
+		}
+		else
+		{
+			$this->_ci_load_class($library, $params, $object_name);
+		}
+		
+		$this->_ci_assign_to_models();
+	}
+
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Model Loader
+	 *
+	 * This function lets users load and instantiate models.
+	 *
+	 * @access	public
+	 * @param	string	the name of the class
+	 * @param	string	name for the model
+	 * @param	bool	database connection
+	 * @return	void
+	 */	
+	function model($model, $name = '', $db_conn = FALSE)
+	{		
+		if (is_array($model))
+		{
+			foreach($model as $babe)
+			{
+				$this->model($babe);	
+			}
+			return;
+		}
+
+		if ($model == '')
+		{
+			return;
+		}
+	
+		// Is the model in a sub-folder? If so, parse out the filename and path.
+		if (strpos($model, '/') === FALSE)
+		{
+			$path = '';
+		}
+		else
+		{
+			$x = explode('/', $model);
+			$model = end($x);			
+			unset($x[count($x)-1]);
+			$path = implode('/', $x).'/';
+		}
+	
+		if ($name == '')
+		{
+			$name = $model;
+		}
+		
+		if (in_array($name, $this->_ci_models, TRUE))
+		{
+			return;
+		}
+		
+		$CI =& get_instance();
+		if (isset($CI->$name))
+		{
+			show_error('The model name you are loading is the name of a resource that is already being used: '.$name);
+		}
+	
+		$model = strtolower($model);
+		
+		if ( ! file_exists(APPPATH.'models/'.$path.$model.EXT))
+		{
+			show_error('Unable to locate the model you have specified: '.$model);
+		}
+				
+		if ($db_conn !== FALSE AND ! class_exists('CI_DB'))
+		{
+			if ($db_conn === TRUE)
+				$db_conn = '';
+		
+			$CI->load->database($db_conn, FALSE, TRUE);
+		}
+	
+		if ( ! class_exists('Model'))
+		{
+			load_class('Model', FALSE);
+		}
+
+		require_once(APPPATH.'models/'.$path.$model.EXT);
+
+		$model = ucfirst($model);
+				
+		$CI->$name = new $model();
+		$CI->$name->_assign_libraries();
+		
+		$this->_ci_models[] = $name;	
+	}
+		
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Database Loader
+	 *
+	 * @access	public
+	 * @param	string	the DB credentials
+	 * @param	bool	whether to return the DB object
+	 * @param	bool	whether to enable active record (this allows us to override the config setting)
+	 * @return	object
+	 */	
+	function database($params = '', $return = FALSE, $active_record = FALSE)
+	{
+		// Grab the super object
+		$CI =& get_instance();
+		
+		// Do we even need to load the database class?
+		if (class_exists('CI_DB') AND $return == FALSE AND $active_record == FALSE AND isset($CI->db) AND is_object($CI->db))
+		{
+			return FALSE;
+		}	
+	
+		require_once(BASEPATH.'database/DB'.EXT);
+
+		if ($return === TRUE)
+		{
+			return DB($params, $active_record);
+		}
+		
+		// Initialize the db variable.  Needed to prevent   
+		// reference errors with some configurations
+		$CI->db = '';
+		
+		// Load the DB class
+		$CI->db =& DB($params, $active_record);	
+		
+		// Assign the DB object to any existing models
+		$this->_ci_assign_to_models();
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Load the Utilities Class
+	 *
+	 * @access	public
+	 * @return	string		
+	 */		
+	function dbutil()
+	{
+		if ( ! class_exists('CI_DB'))
+		{
+			$this->database();
+		}
+		
+		$CI =& get_instance();
+
+		// for backwards compatibility, load dbforge so we can extend dbutils off it
+		// this use is deprecated and strongly discouraged
+		$CI->load->dbforge();
+	
+		require_once(BASEPATH.'database/DB_utility'.EXT);
+		require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility'.EXT);
+		$class = 'CI_DB_'.$CI->db->dbdriver.'_utility';
+
+		$CI->dbutil =& new $class();
+
+		$CI->load->_ci_assign_to_models();
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Load the Database Forge Class
+	 *
+	 * @access	public
+	 * @return	string		
+	 */		
+	function dbforge()
+	{
+		if ( ! class_exists('CI_DB'))
+		{
+			$this->database();
+		}
+		
+		$CI =& get_instance();
+	
+		require_once(BASEPATH.'database/DB_forge'.EXT);
+		require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_forge'.EXT);
+		$class = 'CI_DB_'.$CI->db->dbdriver.'_forge';
+
+		$CI->dbforge = new $class();
+		
+		$CI->load->_ci_assign_to_models();
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Load View
+	 *
+	 * This function is used to load a "view" file.  It has three parameters:
+	 *
+	 * 1. The name of the "view" file to be included.
+	 * 2. An associative array of data to be extracted for use in the view.
+	 * 3. TRUE/FALSE - whether to return the data or load it.  In
+	 * some cases it's advantageous to be able to return data so that
+	 * a developer can process it in some way.
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	array
+	 * @param	bool
+	 * @return	void
+	 */
+	function view($view, $vars = array(), $return = FALSE)
+	{
+		return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Load File
+	 *
+	 * This is a generic file loader
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	bool
+	 * @return	string
+	 */
+	function file($path, $return = FALSE)
+	{
+		return $this->_ci_load(array('_ci_path' => $path, '_ci_return' => $return));
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Set Variables
+	 *
+	 * Once variables are set they become available within
+	 * the controller class and its "view" files.
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function vars($vars = array(), $val = '')
+	{
+		if ($val != '' AND is_string($vars))
+		{
+			$vars = array($vars => $val);
+		}
+	
+		$vars = $this->_ci_object_to_array($vars);
+	
+		if (is_array($vars) AND count($vars) > 0)
+		{
+			foreach ($vars as $key => $val)
+			{
+				$this->_ci_cached_vars[$key] = $val;
+			}
+		}
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Load Helper
+	 *
+	 * This function loads the specified helper file.
+	 *
+	 * @access	public
+	 * @param	mixed
+	 * @return	void
+	 */
+	function helper($helpers = array())
+	{
+		if ( ! is_array($helpers))
+		{
+			$helpers = array($helpers);
+		}
+	
+		foreach ($helpers as $helper)
+		{		
+			$helper = strtolower(str_replace(EXT, '', str_replace('_helper', '', $helper)).'_helper');
+
+			if (isset($this->_ci_helpers[$helper]))
+			{
+				continue;
+			}
+			
+			$ext_helper = APPPATH.'helpers/'.config_item('subclass_prefix').$helper.EXT;
+
+			// Is this a helper extension request?			
+			if (file_exists($ext_helper))
+			{
+				$base_helper = BASEPATH.'helpers/'.$helper.EXT;
+				
+				if ( ! file_exists($base_helper))
+				{
+					show_error('Unable to load the requested file: helpers/'.$helper.EXT);
+				}
+				
+				include_once($ext_helper);
+				include_once($base_helper);
+			}
+			elseif (file_exists(APPPATH.'helpers/'.$helper.EXT))
+			{ 
+				include_once(APPPATH.'helpers/'.$helper.EXT);
+			}
+			else
+			{		
+				if (file_exists(BASEPATH.'helpers/'.$helper.EXT))
+				{
+					include_once(BASEPATH.'helpers/'.$helper.EXT);
+				}
+				else
+				{
+					show_error('Unable to load the requested file: helpers/'.$helper.EXT);
+				}
+			}
+
+			$this->_ci_helpers[$helper] = TRUE;
+			log_message('debug', 'Helper loaded: '.$helper);	
+		}		
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Load Helpers
+	 *
+	 * This is simply an alias to the above function in case the
+	 * user has written the plural form of this function.
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function helpers($helpers = array())
+	{
+		$this->helper($helpers);
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Load Plugin
+	 *
+	 * This function loads the specified plugin.
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function plugin($plugins = array())
+	{
+		if ( ! is_array($plugins))
+		{
+			$plugins = array($plugins);
+		}
+	
+		foreach ($plugins as $plugin)
+		{	
+			$plugin = strtolower(str_replace(EXT, '', str_replace('_pi', '', $plugin)).'_pi');		
+
+			if (isset($this->_ci_plugins[$plugin]))
+			{
+				continue;
+			}
+
+			if (file_exists(APPPATH.'plugins/'.$plugin.EXT))
+			{
+				include_once(APPPATH.'plugins/'.$plugin.EXT);	
+			}
+			else
+			{
+				if (file_exists(BASEPATH.'plugins/'.$plugin.EXT))
+				{
+					include_once(BASEPATH.'plugins/'.$plugin.EXT);	
+				}
+				else
+				{
+					show_error('Unable to load the requested file: plugins/'.$plugin.EXT);
+				}
+			}
+			
+			$this->_ci_plugins[$plugin] = TRUE;
+			log_message('debug', 'Plugin loaded: '.$plugin);
+		}		
+	}
+
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Load Plugins
+	 *
+	 * This is simply an alias to the above function in case the
+	 * user has written the plural form of this function.
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function plugins($plugins = array())
+	{
+		$this->plugin($plugins);
+	}
+		
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Loads a language file
+	 *
+	 * @access	public
+	 * @param	array
+	 * @param	string
+	 * @return	void
+	 */
+	function language($file = array(), $lang = '')
+	{
+		$CI =& get_instance();
+
+		if ( ! is_array($file))
+		{
+			$file = array($file);
+		}
+
+		foreach ($file as $langfile)
+		{	
+			$CI->lang->load($langfile, $lang);
+		}
+	}
+
+	/**
+	 * Loads language files for scaffolding
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	arra
+	 */
+	function scaffold_language($file = '', $lang = '', $return = FALSE)
+	{
+		$CI =& get_instance();
+		return $CI->lang->load($file, $lang, $return);
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Loads a config file
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function config($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
+	{			
+		$CI =& get_instance();
+		$CI->config->load($file, $use_sections, $fail_gracefully);
+	}
+
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Scaffolding Loader
+	 *
+	 * This initializing function works a bit different than the
+	 * others. It doesn't load the class.  Instead, it simply
+	 * sets a flag indicating that scaffolding is allowed to be
+	 * used.  The actual scaffolding function below is
+	 * called by the front controller based on whether the
+	 * second segment of the URL matches the "secret" scaffolding
+	 * word stored in the application/config/routes.php
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */	
+	function scaffolding($table = '')
+	{		
+		if ($table === FALSE)
+		{
+			show_error('You must include the name of the table you would like to access when you initialize scaffolding');
+		}
+		
+		$CI =& get_instance();
+		$CI->_ci_scaffolding = TRUE;
+		$CI->_ci_scaff_table = $table;
+	}
+
+	// --------------------------------------------------------------------
+		
+	/**
+	 * Loader
+	 *
+	 * This function is used to load views and files.
+	 * Variables are prefixed with _ci_ to avoid symbol collision with
+	 * variables made available to view files
+	 *
+	 * @access	private
+	 * @param	array
+	 * @return	void
+	 */
+	function _ci_load($_ci_data)
+	{
+		// Set the default data variables
+		foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val)
+		{
+			$$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val];
+		}
+
+		// Set the path to the requested file
+		if ($_ci_path == '')
+		{
+			$_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);
+			$_ci_file = ($_ci_ext == '') ? $_ci_view.EXT : $_ci_view;
+			$_ci_path = $this->_ci_view_path.$_ci_file;
+		}
+		else
+		{
+			$_ci_x = explode('/', $_ci_path);
+			$_ci_file = end($_ci_x);
+		}
+		
+		if ( ! file_exists($_ci_path))
+		{
+			show_error('Unable to load the requested file: '.$_ci_file);
+		}
+	
+		// This allows anything loaded using $this->load (views, files, etc.)
+		// to become accessible from within the Controller and Model functions.
+		// Only needed when running PHP 5
+		
+		if ($this->_ci_is_instance())
+		{
+			$_ci_CI =& get_instance();
+			foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var)
+			{
+				if ( ! isset($this->$_ci_key))
+				{
+					$this->$_ci_key =& $_ci_CI->$_ci_key;
+				}
+			}
+		}
+
+		/*
+		 * Extract and cache variables
+		 *
+		 * You can either set variables using the dedicated $this->load_vars()
+		 * function or via the second parameter of this function. We'll merge
+		 * the two types and cache them so that views that are embedded within
+		 * other views can have access to these variables.
+		 */	
+		if (is_array($_ci_vars))
+		{
+			$this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars);
+		}
+		extract($this->_ci_cached_vars);
+				
+		/*
+		 * Buffer the output
+		 *
+		 * We buffer the output for two reasons:
+		 * 1. Speed. You get a significant speed boost.
+		 * 2. So that the final rendered template can be
+		 * post-processed by the output class.  Why do we
+		 * need post processing?  For one thing, in order to
+		 * show the elapsed page load time.  Unless we
+		 * can intercept the content right before it's sent to
+		 * the browser and then stop the timer it won't be accurate.
+		 */
+		ob_start();
+				
+		// If the PHP installation does not support short tags we'll
+		// do a little string replacement, changing the short tags
+		// to standard PHP echo statements.
+		
+		if ((bool) @ini_get('short_open_tag') === FALSE AND config_item('rewrite_short_tags') == TRUE)
+		{
+			echo eval('?>'.preg_replace("/;*\s*\?>/", "; ?>", str_replace('<?=', '<?php echo ', file_get_contents($_ci_path))));
+		}
+		else
+		{
+			include($_ci_path); // include() vs include_once() allows for multiple views with the same name
+		}
+		
+		log_message('debug', 'File loaded: '.$_ci_path);
+		
+		// Return the file data if requested
+		if ($_ci_return === TRUE)
+		{		
+			$buffer = ob_get_contents();
+			@ob_end_clean();
+			return $buffer;
+		}
+
+		/*
+		 * Flush the buffer... or buff the flusher?
+		 *
+		 * In order to permit views to be nested within
+		 * other views, we need to flush the content back out whenever
+		 * we are beyond the first level of output buffering so that
+		 * it can be seen and included properly by the first included
+		 * template and any subsequent ones. Oy!
+		 *
+		 */	
+		if (ob_get_level() > $this->_ci_ob_level + 1)
+		{
+			ob_end_flush();
+		}
+		else
+		{
+			// PHP 4 requires that we use a global
+			global $OUT;
+			$OUT->append_output(ob_get_contents());
+			@ob_end_clean();
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Load class
+	 *
+	 * This function loads the requested class.
+	 *
+	 * @access	private
+	 * @param 	string	the item that is being loaded
+	 * @param	mixed	any additional parameters
+	 * @param	string	an optional object name
+	 * @return 	void
+	 */
+	function _ci_load_class($class, $params = NULL, $object_name = NULL)
+	{	
+		// Get the class name, and while we're at it trim any slashes.  
+		// The directory path can be included as part of the class name, 
+		// but we don't want a leading slash
+		$class = str_replace(EXT, '', trim($class, '/'));
+	
+		// Was the path included with the class name?
+		// We look for a slash to determine this
+		$subdir = '';
+		if (strpos($class, '/') !== FALSE)
+		{
+			// explode the path so we can separate the filename from the path
+			$x = explode('/', $class);	
+			
+			// Reset the $class variable now that we know the actual filename
+			$class = end($x);
+			
+			// Kill the filename from the array
+			unset($x[count($x)-1]);
+			
+			// Glue the path back together, sans filename
+			$subdir = implode($x, '/').'/';
+		}
+
+		// We'll test for both lowercase and capitalized versions of the file name
+		foreach (array(ucfirst($class), strtolower($class)) as $class)
+		{
+			$subclass = APPPATH.'libraries/'.$subdir.config_item('subclass_prefix').$class.EXT;
+
+			// Is this a class extension request?			
+			if (file_exists($subclass))
+			{
+				$baseclass = BASEPATH.'libraries/'.ucfirst($class).EXT;
+				
+				if ( ! file_exists($baseclass))
+				{
+					log_message('error', "Unable to load the requested class: ".$class);
+					show_error("Unable to load the requested class: ".$class);
+				}
+
+				// Safety:  Was the class already loaded by a previous call?
+				if (in_array($subclass, $this->_ci_loaded_files))
+				{
+					// Before we deem this to be a duplicate request, let's see
+					// if a custom object name is being supplied.  If so, we'll
+					// return a new instance of the object
+					if ( ! is_null($object_name))
+					{
+						$CI =& get_instance();
+						if ( ! isset($CI->$object_name))
+						{
+							return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name);			
+						}
+					}
+					
+					$is_duplicate = TRUE;
+					log_message('debug', $class." class already loaded. Second attempt ignored.");
+					return;
+				}
+	
+				include_once($baseclass);				
+				include_once($subclass);
+				$this->_ci_loaded_files[] = $subclass;
+	
+				return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name);			
+			}
+		
+			// Lets search for the requested library file and load it.
+			$is_duplicate = FALSE;		
+			for ($i = 1; $i < 3; $i++)
+			{
+				$path = ($i % 2) ? APPPATH : BASEPATH;	
+				$filepath = $path.'libraries/'.$subdir.$class.EXT;
+				
+				// Does the file exist?  No?  Bummer...
+				if ( ! file_exists($filepath))
+				{
+					continue;
+				}
+				
+				// Safety:  Was the class already loaded by a previous call?
+				if (in_array($filepath, $this->_ci_loaded_files))
+				{
+					// Before we deem this to be a duplicate request, let's see
+					// if a custom object name is being supplied.  If so, we'll
+					// return a new instance of the object
+					if ( ! is_null($object_name))
+					{
+						$CI =& get_instance();
+						if ( ! isset($CI->$object_name))
+						{
+							return $this->_ci_init_class($class, '', $params, $object_name);
+						}
+					}
+				
+					$is_duplicate = TRUE;
+					log_message('debug', $class." class already loaded. Second attempt ignored.");
+					return;
+				}
+				
+				include_once($filepath);
+				$this->_ci_loaded_files[] = $filepath;
+				return $this->_ci_init_class($class, '', $params, $object_name);
+			}
+		} // END FOREACH
+
+		// One last attempt.  Maybe the library is in a subdirectory, but it wasn't specified?
+		if ($subdir == '')
+		{
+			$path = strtolower($class).'/'.$class;
+			return $this->_ci_load_class($path, $params);
+		}
+		
+		// If we got this far we were unable to find the requested class.
+		// We do not issue errors if the load call failed due to a duplicate request
+		if ($is_duplicate == FALSE)
+		{
+			log_message('error', "Unable to load the requested class: ".$class);
+			show_error("Unable to load the requested class: ".$class);
+		}
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Instantiates a class
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @param	string	an optional object name
+	 * @return	null
+	 */
+	function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL)
+	{	
+		// Is there an associated config file for this class?
+		if ($config === NULL)
+		{
+			// We test for both uppercase and lowercase, for servers that
+			// are case-sensitive with regard to file names
+			if (file_exists(APPPATH.'config/'.strtolower($class).EXT))
+			{
+				include_once(APPPATH.'config/'.strtolower($class).EXT);
+			}			
+			else
+			{
+				if (file_exists(APPPATH.'config/'.ucfirst(strtolower($class)).EXT))
+				{
+					include_once(APPPATH.'config/'.ucfirst(strtolower($class)).EXT);
+				}			
+			}
+		}
+		
+		if ($prefix == '')
+		{			
+			if (class_exists('CI_'.$class)) 
+			{
+				$name = 'CI_'.$class;
+			}
+			elseif (class_exists(config_item('subclass_prefix').$class)) 
+			{
+				$name = config_item('subclass_prefix').$class;
+			}
+			else
+			{
+				$name = $class;
+			}
+		}
+		else
+		{
+			$name = $prefix.$class;
+		}
+		
+		// Is the class name valid?
+		if ( ! class_exists($name))
+		{
+			log_message('error', "Non-existent class: ".$name);
+			show_error("Non-existent class: ".$class);
+		}
+		
+		// Set the variable name we will assign the class to
+		// Was a custom class name supplied?  If so we'll use it
+		$class = strtolower($class);
+		
+		if (is_null($object_name))
+		{
+			$classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class];
+		}
+		else
+		{
+			$classvar = $object_name;
+		}
+
+		// Save the class name and object name		
+		$this->_ci_classes[$class] = $classvar;
+
+		// Instantiate the class		
+		$CI =& get_instance();
+		if ($config !== NULL)
+		{
+			$CI->$classvar = new $name($config);
+		}
+		else
+		{		
+			$CI->$classvar = new $name;
+		}	
+	} 	
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Autoloader
+	 *
+	 * The config/autoload.php file contains an array that permits sub-systems,
+	 * libraries, plugins, and helpers to be loaded automatically.
+	 *
+	 * @access	private
+	 * @param	array
+	 * @return	void
+	 */
+	function _ci_autoloader()
+	{	
+		include_once(APPPATH.'config/autoload'.EXT);
+		
+		if ( ! isset($autoload))
+		{
+			return FALSE;
+		}
+		
+		// Load any custom config file
+		if (count($autoload['config']) > 0)
+		{			
+			$CI =& get_instance();
+			foreach ($autoload['config'] as $key => $val)
+			{
+				$CI->config->load($val);
+			}
+		}		
+
+		// Autoload plugins, helpers and languages
+		foreach (array('helper', 'plugin', 'language') as $type)
+		{			
+			if (isset($autoload[$type]) AND count($autoload[$type]) > 0)
+			{
+				$this->$type($autoload[$type]);
+			}		
+		}
+
+		// A little tweak to remain backward compatible
+		// The $autoload['core'] item was deprecated
+		if ( ! isset($autoload['libraries']))
+		{
+			$autoload['libraries'] = $autoload['core'];
+		}
+		
+		// Load libraries
+		if (isset($autoload['libraries']) AND count($autoload['libraries']) > 0)
+		{
+			// Load the database driver.
+			if (in_array('database', $autoload['libraries']))
+			{
+				$this->database();
+				$autoload['libraries'] = array_diff($autoload['libraries'], array('database'));
+			}
+
+			// Load scaffolding
+			if (in_array('scaffolding', $autoload['libraries']))
+			{
+				$this->scaffolding();
+				$autoload['libraries'] = array_diff($autoload['libraries'], array('scaffolding'));
+			}
+		
+			// Load all other libraries
+			foreach ($autoload['libraries'] as $item)
+			{
+				$this->library($item);
+			}
+		}		
+
+		// Autoload models
+		if (isset($autoload['model']))
+		{
+			$this->model($autoload['model']);
+		}
+
+	}
+	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Assign to Models
+	 *
+	 * Makes sure that anything loaded by the loader class (libraries, plugins, etc.)
+	 * will be available to models, if any exist.
+	 *
+	 * @access	private
+	 * @param	object
+	 * @return	array
+	 */
+	function _ci_assign_to_models()
+	{
+		if (count($this->_ci_models) == 0)
+		{
+			return;
+		}
+	
+		if ($this->_ci_is_instance())
+		{
+			$CI =& get_instance();
+			foreach ($this->_ci_models as $model)
+			{			
+				$CI->$model->_assign_libraries();
+			}
+		}
+		else
+		{		
+			foreach ($this->_ci_models as $model)
+			{			
+				$this->$model->_assign_libraries();
+			}
+		}
+	}  	
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Object to Array
+	 *
+	 * Takes an object as input and converts the class variables to array key/vals
+	 *
+	 * @access	private
+	 * @param	object
+	 * @return	array
+	 */
+	function _ci_object_to_array($object)
+	{
+		return (is_object($object)) ? get_object_vars($object) : $object;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Determines whether we should use the CI instance or $this
+	 *
+	 * @access	private
+	 * @return	bool
+	 */
+	function _ci_is_instance()
+	{
+		if ($this->_ci_is_php5 == TRUE)
+		{
+			return TRUE;
+		}
+	
+		global $CI;
+		return (is_object($CI)) ? TRUE : FALSE;
+	}
+
+}
+
+/* End of file Loader.php */
 /* Location: ./system/libraries/Loader.php */
\ No newline at end of file