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<?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*/// ------------------------------------------------------------------------/*** System Initialization File** Loads the base classes and executes the request.** @package CodeIgniter* @subpackage codeigniter* @category Front-controller* @author ExpressionEngine Dev Team* @link http://codeigniter.com/user_guide/*//*** CodeIgniter Version** @var string**/define('CI_VERSION', '2.1.4');/*** CodeIgniter Branch (Core = TRUE, Reactor = FALSE)** @var boolean**/define('CI_CORE', FALSE);/** ------------------------------------------------------* Load the global functions* ------------------------------------------------------*/require(BASEPATH.'core/Common.php');/** ------------------------------------------------------* Load the framework constants* ------------------------------------------------------*/if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants.php')){require(APPPATH.'config/'.ENVIRONMENT.'/constants.php');}else{require(APPPATH.'config/constants.php');}/** ------------------------------------------------------* Define a custom error handler so we can log PHP errors* ------------------------------------------------------*/set_error_handler('_exception_handler');if ( ! is_php('5.3')){@set_magic_quotes_runtime(0); // Kill magic quotes}/** ------------------------------------------------------* Set the subclass_prefix* ------------------------------------------------------** Normally the "subclass_prefix" is set in the config file.* The subclass prefix allows CI to know if a core class is* being extended via a library in the local application* "libraries" folder. Since CI allows config items to be* overriden via data set in the main index. php file,* before proceeding we need to know if a subclass_prefix* override exists. If so, we will set this value now,* before any classes are loaded* Note: Since the config file data is cached it doesn't* hurt to load it here.*/if (isset($assign_to_config['subclass_prefix']) AND $assign_to_config['subclass_prefix'] != ''){get_config(array('subclass_prefix' => $assign_to_config['subclass_prefix']));}/** ------------------------------------------------------* Set a liberal script execution time limit* ------------------------------------------------------*/if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0){@set_time_limit(300);}/** ------------------------------------------------------* Start the timer... tick tock tick tock...* ------------------------------------------------------*/$BM =& load_class('Benchmark', 'core');$BM->mark('total_execution_time_start');$BM->mark('loading_time:_base_classes_start');/** ------------------------------------------------------* Instantiate the hooks class* ------------------------------------------------------*/$EXT =& load_class('Hooks', 'core');/** ------------------------------------------------------* Is there a "pre_system" hook?* ------------------------------------------------------*/$EXT->_call_hook('pre_system');/** ------------------------------------------------------* Instantiate the config class* ------------------------------------------------------*/$CFG =& load_class('Config', 'core');// Do we have any manually set config items in the index.php file?if (isset($assign_to_config)){$CFG->_assign_to_config($assign_to_config);}/** ------------------------------------------------------* Instantiate the UTF-8 class* ------------------------------------------------------** Note: Order here is rather important as the UTF-8* class needs to be used very early on, but it cannot* properly determine if UTf-8 can be supported until* after the Config class is instantiated.**/$UNI =& load_class('Utf8', 'core');/** ------------------------------------------------------* Instantiate the URI class* ------------------------------------------------------*/$URI =& load_class('URI', 'core');/** ------------------------------------------------------* Instantiate the routing class and set the routing* ------------------------------------------------------*/$RTR =& load_class('Router', 'core');$RTR->_set_routing();// Set any routing overrides that may exist in the main index fileif (isset($routing)){$RTR->_set_overrides($routing);}/** ------------------------------------------------------* Instantiate the output class* ------------------------------------------------------*/$OUT =& load_class('Output', 'core');/** ------------------------------------------------------* Is there a valid cache file? If so, we're done...* ------------------------------------------------------*/if ($EXT->_call_hook('cache_override') === FALSE){if ($OUT->_display_cache($CFG, $URI) == TRUE){exit;}}/** -----------------------------------------------------* Load the security class for xss and csrf support* -----------------------------------------------------*/$SEC =& load_class('Security', 'core');/** ------------------------------------------------------* Load the Input class and sanitize globals* ------------------------------------------------------*/$IN =& load_class('Input', 'core');/** ------------------------------------------------------* Load the Language class* ------------------------------------------------------*/$LANG =& load_class('Lang', 'core');/** ------------------------------------------------------* Load the app controller and local controller* ------------------------------------------------------**/// Load the base controller classrequire BASEPATH.'core/Controller.php';function &get_instance(){return CI_Controller::get_instance();}if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php')){require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php';}// Load the local application controller// Note: The Router class automatically validates the controller path using the router->_validate_request().// If this include fails it means that the default controller in the Routes.php file is not resolving to something valid.if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php')){show_error('Unable to load your default controller. Please make sure the controller specified in your Routes.php file is valid.');}include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php');// Set a mark point for benchmarking$BM->mark('loading_time:_base_classes_end');/** ------------------------------------------------------* Security check* ------------------------------------------------------** None of the functions in the app controller or the* loader class can be called via the URI, nor can* controller functions that begin with an underscore*/$class = $RTR->fetch_class();$method = $RTR->fetch_method();if ( ! class_exists($class)OR strncmp($method, '_', 1) == 0OR in_array(strtolower($method), array_map('strtolower', get_class_methods('CI_Controller')))){if ( ! empty($RTR->routes['404_override'])){$x = explode('/', $RTR->routes['404_override']);$class = $x[0];$method = (isset($x[1]) ? $x[1] : 'index');if ( ! class_exists($class)){if ( ! file_exists(APPPATH.'controllers/'.$class.'.php')){show_404("{$class}/{$method}");}include_once(APPPATH.'controllers/'.$class.'.php');}}else{show_404("{$class}/{$method}");}}/** ------------------------------------------------------* Is there a "pre_controller" hook?* ------------------------------------------------------*/$EXT->_call_hook('pre_controller');/** ------------------------------------------------------* Instantiate the requested controller* ------------------------------------------------------*/// Mark a start point so we can benchmark the controller$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');$CI = new $class();/** ------------------------------------------------------* Is there a "post_controller_constructor" hook?* ------------------------------------------------------*/$EXT->_call_hook('post_controller_constructor');/** ------------------------------------------------------* Call the requested method* ------------------------------------------------------*/// Is there a "remap" function? If so, we call it insteadif (method_exists($CI, '_remap')){$CI->_remap($method, array_slice($URI->rsegments, 2));}else{// is_callable() returns TRUE on some versions of PHP 5 for private and protected// methods, so we'll use this workaround for consistent behaviorif ( ! in_array(strtolower($method), array_map('strtolower', get_class_methods($CI)))){// Check and see if we are using a 404 override and use it.if ( ! empty($RTR->routes['404_override'])){$x = explode('/', $RTR->routes['404_override']);$class = $x[0];$method = (isset($x[1]) ? $x[1] : 'index');if ( ! class_exists($class)){if ( ! file_exists(APPPATH.'controllers/'.$class.'.php')){show_404("{$class}/{$method}");}include_once(APPPATH.'controllers/'.$class.'.php');unset($CI);$CI = new $class();}}else{show_404("{$class}/{$method}");}}// Call the requested method.// Any URI segments present (besides the class/function) will be passed to the method for conveniencecall_user_func_array(array(&$CI, $method), array_slice($URI->rsegments, 2));}// Mark a benchmark end point$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');/** ------------------------------------------------------* Is there a "post_controller" hook?* ------------------------------------------------------*/$EXT->_call_hook('post_controller');/** ------------------------------------------------------* Send the final rendered output to the browser* ------------------------------------------------------*/if ($EXT->_call_hook('display_override') === FALSE){$OUT->_display();}/** ------------------------------------------------------* Is there a "post_system" hook?* ------------------------------------------------------*/$EXT->_call_hook('post_system');/** ------------------------------------------------------* Close the DB connection if one exists* ------------------------------------------------------*/if (class_exists('CI_DB') AND isset($CI->db)){$CI->db->close();}/* End of file CodeIgniter.php *//* Location: ./system/core/CodeIgniter.php */