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paperen/MY_Loader.php

Created December 1, 2012 07:49
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MY_Loader.php
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MY_Loader.php
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
// ------------------------------------------------------------------------
/**
* 已扩展的 Loader 类库
*
* 此类库相对于原始 Loader 类库，主要是增加了对 HMVC 的支持
*
* @package CodeIgniter
* @subpackage Libraries
* @author Hex
* @category HMVC
* @link http://codeigniter.org.cn/forums/thread-1319-1-2.html
*/
class MY_Loader extends CI_Loader {
var $_ci_is_inside_module = false; // 当前是否是 Module 里的 Loader
var $_ci_module_path = ''; // 当前 Module 所在路径
var $_ci_module_class = ''; // 当前 Module 的控制器名
var $_ci_autoload_libraries = array(); // 自动装载的类库名数组
var $_ci_autoload_models = array(); // 自动装载的模型名数组
var $_ci_module_uri = ''; // 当前 Module 的调用 URI
var $_ci_module_method = ''; // 当前 Module 执行的方法
/**
* Module Loader
*
* This function lets users load and instantiate module.
*
* @access public
* @param string the module uri of the module
* @return void
*/
function module($module_uri, $vars = array(), $return = FALSE)
{
if ($module_uri == '')
{
return;
}
$module_uri = trim($module_uri, '/');
$CI =& get_instance();
$default_controller = $CI->router->default_controller;
if (strpos($module_uri, '/') === FALSE)
{
$path = '';
// 只有模块名，使用默认控制器和默认方法
$module = $module_uri;
$controller = $default_controller;
$method = 'index';
$segments = array();
}
else
{
$segments = explode('/', $module_uri);
if (file_exists(APPPATH.'modules/'.$segments[0].'/controllers/'.$segments[1].EXT))
{
$path = '';
$module = $segments[0];
$controller = $segments[1];
$method = isset($segments[2]) ? $segments[2] : 'index';
}
// 子目录下有模块？
elseif (is_dir(APPPATH.'modules/'.$segments[0].'/'.$segments[1].'/controllers'))
{
// Set the directory and remove it from the segment array
$path = $segments[0];
$segments = array_slice($segments, 1);
if (count($segments) > 0)
{
// 子目录下有模块？
if (is_dir(APPPATH.'modules/'.$path.'/'.$segments[0].'/controllers'))
{
$module = $segments[0];
$controller = isset($segments[1]) ? $segments[1] : $default_controller;
$method = isset($segments[2]) ? $segments[2] : 'index';
}
}
else
{
show_error('Unable to locate the module you have specified: '.$path);
}
}
else
{
show_error('Unable to locate the module you have specified: '.$module_uri);
}
if ($path != '')
{
$path = rtrim($path, '/') . '/';
}
}
// 模块名全部小写
$module = strtolower($module);
// 必须是类似这样的模块类名：目录_模块名_控制器名_module (如：Account_Message_Home_module)
$c = str_replace(' ', '_', ucwords(str_replace('_', ' ', $controller)));
$class_name = str_replace(' ', '_', ucwords(str_replace('/', ' ', $path.$module.' '.$c))) . '_module';
// Module 的控制器文件的路径
$controller_path = APPPATH.'modules/'.$path.$module.'/controllers/'.$controller.EXT;
if ( ! file_exists($controller_path))
{
show_error('Unable to locate the module you have specified: '.$path.$module.'/controllers/'.$controller.EXT);
}
if ( ! class_exists('CI_Module'))
{
require_once(APPPATH.'core/Module'.EXT);
}
// 如果有继承Module
// @author paperen
$extend_module = APPPATH . 'core/' . config_item( 'subclass_prefix' ) . 'Module' . EXT;
if ( file_exists( $extend_module ) ) require_once( $extend_module );
if (!isset($CI->$class_name))
{
// 装载 Module 控制器文件
require_once($controller_path);
// 实例化 Module 控制器
$CI->$class_name = new $class_name();
// 注意：要操作模块里的 loader 类实例
$CI->$class_name->load->_ci_module_path = $path.$module;
$CI->$class_name->load->_ci_module_class = $class_name;
$CI->$class_name->_ci_module_uri = $path.$module.'/'.$controller;
$CI->$class_name->_ci_module_method = $method;
}
$module_load =& $CI->$class_name->load;
if (strncmp($method, '_', 1) != 0 && in_array(strtolower($method), array_map('strtolower', get_class_methods($class_name))))
{
ob_start();
log_message('debug', 'Module call: '.$class_name.'->'.$method);
// Call the requested method.
// Any URI segments present (besides the class/function) will be passed to the method for convenience
$output = call_user_func_array(array($CI->$class_name, $method), $module_load->_ci_object_to_array($vars));
if ($return === TRUE)
{
$buffer = ob_get_contents();
@ob_end_clean();
$result = ($output) ? $output : $buffer;
return $result;
}
else
{
if (ob_get_level() > $this->_ci_ob_level + 1)
{
ob_end_flush();
}
else
{
$buffer = ob_get_contents();
$result = ($output) ? $output : $buffer;
$CI->output->append_output($result);
@ob_end_clean();
}
}
}
else
{
show_error('Unable to locate the '.$method.' method you have specified: '.$class_name);
}
}
// --------------------------------------------------------------------
/**
* 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;
}
$path = '';
// Is the model in a sub-folder? If so, parse out the filename and path.
if (($last_slash = strrpos($model, '/')) !== FALSE)
{
// The path is in front of the last slash
$path = substr($model, 0, $last_slash + 1);
// And the model name behind it
$model = substr($model, $last_slash + 1);
}
if ($name == '')
{
$name = $model;
}
if (in_array($name, $this->_ci_models, TRUE))
{
return;
}
$CI =& get_instance();
$model_paths = $this->_ci_model_paths;
if ($this->_ci_is_inside_module)
{
$module_class_name = $this->_ci_module_class;
array_unshift($model_paths, APPPATH.'modules/'.$this->_ci_module_path.'/');
$module_model_name = str_replace(' ', '_', ucwords(str_replace('/', ' ', $this->_ci_module_path.' '.$model)));
if (isset($CI->$module_class_name->$name))
{
show_error('The model name you are loading is the name of a resource that is already being used: '.$module_class_name.'.'.$module_model_name);
}
}
else
{
if (isset($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);
foreach ($model_paths as $key=>$mod_path)
{
if ( ! file_exists($mod_path.'models/'.$path.$model.EXT))
{
continue;
}
if ($db_conn !== FALSE AND ! class_exists('CI_DB'))
{
if ($db_conn === TRUE)
{
$db_conn = '';
}
$CI->load->database($db_conn, FALSE, TRUE);
}
if ( ! class_exists('CI_Model'))
{
load_class('Model', 'core');
}
require_once($mod_path.'models/'.$path.$model.EXT);
$model = ucfirst($model);
if ($this->_ci_is_inside_module)
{
if ($key == 0)
{
$CI->$module_class_name->$name = new $module_model_name();
}
else
{
$CI->$module_class_name->$name = new $model();
}
}
else
{
$CI->$name = new $model();
}
$this->_ci_models[] = $name;
return;
}
// couldn't find the model
// @paperen
// 去掉报错
//show_error('Unable to locate the model you have specified: '.$model);
}
// --------------------------------------------------------------------
/**
* 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(), $return = FALSE)
{
if ($this->_ci_is_inside_module)
{
$ext = pathinfo($view, PATHINFO_EXTENSION);
$view = ($ext == '') ? $view.EXT : $view;
$path = APPPATH.'modules/'.$this->_ci_module_path.'/views/'.$view;
if (file_exists($path))
{
return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_path' => $path, '_ci_return' => $return));
}
else
{
return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));
}
}
else
{
return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return));
}
}
// --------------------------------------------------------------------
/**
* 取当前 Module 某方法的 URL 地址
*
* @access public
* @param string 方法名/参数1/.../参数n
* @param string URL 中要替换的控制器名，为空使用当前控制器名
* @return string
*/
function module_url($uri, $controller_name = '')
{
$CI =& get_instance();
$class = $this->_ci_module_class;
$module_uri = trim($CI->$class->_ci_module_uri, '/');
if (!empty($controller_name))
{
$arr = explode('/', $module_uri);
$arr[count($arr) - 1] = str_replace(array('/', '.'), '', $controller_name);
$module_uri = implode('/', $arr);
}
return $this->config->site_url('module/' . $module_uri . '/' . trim($uri, '/'));
}
// --------------------------------------------------------------------
/**
* 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 = NULL)
{
// 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 $active_record == NULL AND isset($CI->db) AND is_object($CI->db))
{
if ($this->_ci_is_inside_module and isset($CI->db))
{
$module_class_name = $this->_ci_module_class;
$CI->$module_class_name->db =& $CI->db;
}
return FALSE;
}
require_once(BASEPATH.'database/DB'.EXT);
if ($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, $active_record);
if ($this->_ci_is_inside_module)
{
$module_class_name = $this->_ci_module_class;
$CI->$module_class_name->db =& $CI->db;
}
}
// --------------------------------------------------------------------
// Module 中的 Loader 类实例初始化时，自动调用此函数
public function _ci_module_ready($class_path, $class_name)
{
$this->_ci_is_inside_module = true;
$this->_ci_module_path = $class_path;
$this->_ci_module_class = $class_name;
$this->_ci_models = array();
}
// 根据是否在模块中来取超级对象
private function &get_instance()
{
$CI =& get_instance();
if (!empty($this->_ci_module_path))
{
$module_class_name = $this->_ci_module_class;
return $CI->$module_class_name;
}
else
{
return $CI;
}
}
// --------------------------------------------------------------------
/**
* Class Loader
*
* This function lets users load and instantiate classes.
* It is designed to be called from a user's app controllers.
*
* @access public
* @param string the name of the class
* @param mixed the optional parameters
* @param string an optional object name
* @return void
*/
function library($library = '', $params = NULL, $object_name = NULL)
{
if (is_array($library))
{
foreach ($library as $class)
{
$this->library($class, $params);
}
return;
}
if ($library == '' OR isset($this->_base_classes[$library]))
{
return FALSE;
}
if ( ! is_null($params) && ! is_array($params))
{
$params = NULL;
}
$this->_ci_load_class($library, $params, $object_name);
}
// --------------------------------------------------------------------
/**
* Load the Utilities Class
*
* @access public
* @return string
*/
function dbutil()
{
if ( ! class_exists('CI_DB'))
{
$this->database();
}
$CI = $this->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();
}
// --------------------------------------------------------------------
/**
* Load the Database Forge Class
*
* @access public
* @return string
*/
function dbforge()
{
if ( ! class_exists('CI_DB'))
{
$this->database();
}
$CI = $this->get_instance();
require_once(BASEPATH.'database/DB_forge'.EXT);
require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_forge'.EXT);
$class = 'CI_DB_'.$CI->db->dbdriver.'_forge';
$CI->dbforge = new $class();
}
// --------------------------------------------------------------------
/**
* Loads a language file
*
* @access public
* @param array
* @param string
* @return void
*/
function language($file = array(), $lang = '')
{
$CI = $this->get_instance();
if ( ! is_array($file))
{
$file = array($file);
}
foreach ($file as $langfile)
{
$CI->lang->load($langfile, $lang);
}
}
// --------------------------------------------------------------------
/**
* Loads a config file
*
* @access public
* @param string
* @return void
*/
function config($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
{
$CI = $this->get_instance();
$CI->config->load($file, $use_sections, $fail_gracefully);
}
// --------------------------------------------------------------------
/**
* Loader
*
* This function is used to load views and files.
* Variables are prefixed with _ci_ to avoid symbol collision with
* variables made available to view files
*
* @access private
* @param array
* @return void
*/
function _ci_load($_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.
$_ci_CI = $this->get_instance();
foreach (get_object_vars($_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
{
$_ci_CI->output->append_output(ob_get_contents());
@ob_end_clean();
}
}
// --------------------------------------------------------------------
/**
* Load class
*
* This function loads the requested class.
*
* @access private
* @param string the item that is being loaded
* @param mixed any additional parameters
* @param string an optional object name
* @return void
*/
function _ci_load_class($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
$subdir = '';
if (($last_slash = strrpos($class, '/')) !== FALSE)
{
// Extract the path
$subdir = substr($class, 0, $last_slash + 1);
// Get the filename from the path
$class = substr($class, $last_slash + 1);
}
// We'll test for both lowercase and capitalized versions of the file name
foreach (array(ucfirst($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 = $this->get_instance();
if ( ! isset($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.
$is_duplicate = FALSE;
foreach ($this->_ci_library_paths as $path)
{
$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 = $this->get_instance();
if ( ! isset($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, $object_name = NULL)
{
// Is there an associated config file for this class? Note: these should always be lowercase
if ($config === NULL)
{
// Fetch the config paths containing any package paths
$config_component = $this->_ci_get_component('config');
if (is_array($config_component->_config_paths))
{
// Break on the first found file, thus package files
// are not overridden by default paths
foreach ($config_component->_config_paths as $path)
{
// We test for both uppercase and lowercase, for servers that
// are case-sensitive with regard to file names. Check for environment
// first, global next
if (defined('ENVIRONMENT') AND file_exists($path .'config/'.ENVIRONMENT.'/'.strtolower($class).EXT))
{
include_once($path .'config/'.ENVIRONMENT.'/'.strtolower($class).EXT);
break;
}
elseif (defined('ENVIRONMENT') AND file_exists($path .'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).EXT))
{
include_once($path .'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).EXT);
break;
}
elseif (file_exists($path .'config/'.strtolower($class).EXT))
{
include_once($path .'config/'.strtolower($class).EXT);
break;
}
elseif (file_exists($path .'config/'.ucfirst(strtolower($class)).EXT))
{
include_once($path .'config/'.ucfirst(strtolower($class)).EXT);
break;
}
}
}
}
if ($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 = $this->get_instance();
if ($config !== NULL)
{
$CI->$classvar = new $name($config);
}
else
{
$CI->$classvar = new $name;
}
}
// --------------------------------------------------------------------
/**
* Autoloader
*
* The config/autoload.php file contains an array that permits sub-systems,
* libraries, and helpers to be loaded automatically.
*
* @access private
* @param array
* @return void
*/
function _ci_autoloader()
{
if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload'.EXT))
{
include_once(APPPATH.'config/'.ENVIRONMENT.'/autoload'.EXT);
}
else
{
include_once(APPPATH.'config/autoload'.EXT);
}
if ( ! isset($autoload))
{
return FALSE;
}
// Autoload packages
if (isset($autoload['packages']))
{
foreach ($autoload['packages'] as $package_path)
{
$this->add_package_path($package_path);
}
}
// Load any custom config file
if (count($autoload['config']) > 0)
{
$CI = $this->get_instance();
foreach ($autoload['config'] as $key => $val)
{
$CI->config->load($val);
}
}
// Autoload helpers and languages
foreach (array('helper', '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']) AND isset($autoload['core']))
{
$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 all other libraries
foreach ($autoload['libraries'] as $item)
{
$this->library($item);
}
$this->_ci_autoload_libraries = $autoload['libraries'];
}
// Autoload models
if (isset($autoload['model']))
{
$this->model($autoload['model']);
$this->_ci_autoload_models = $autoload['model'];
}
}
// --------------------------------------------------------------------
/**
* Get a reference to a specific library or model
*
* @access private
* @return bool
*/
function &_ci_get_component($component)
{
$CI = $this->get_instance();
return $CI->$component;
}
}
/* End of file MY_Loader.php */
/* Location: ./application/core/MY_Loader.php */
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