/magehelp/system/core/CodeIgniter.php
PHP | 401 lines | 141 code | 49 blank | 211 comment | 27 complexity | 36e5e4b01262e4c24b1e0436cdbffc13 MD5 | raw file
Possible License(s): LGPL-3.0
- <?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', '2.1.0');
- /**
- * 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');
- $RTR->_set_routing();
- // Set any routing overrides that may exist in the main index file
- if (isset($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
- * ------------------------------------------------------
- */
- $LANG =& load_class('Lang', 'core');
- /*
- * ------------------------------------------------------
- * Load the app controller and local controller
- * ------------------------------------------------------
- *
- */
- // Load the base controller class
- require BASEPATH.'core/Controller.php';
- function &get_instance()
- {
- return CI_Controller::get_instance();
- }
- if (file_exists(APPPATH.'core/'.$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($method, '_', 1) == 0
- OR in_array(strtolower($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?
- * ------------------------------------------------------
- */
- $EXT->_call_hook('post_controller_constructor');
- /*
- * ------------------------------------------------------
- * Call the requested method
- * ------------------------------------------------------
- */
- // Is there a "remap" function? If so, we call it instead
- if (method_exists($CI, '_remap'))
- {
- $CI->_remap($method, array_slice($URI->rsegments, 2));
- }
- else
- {
- // is_callable() returns TRUE on some versions of PHP 5 for private and protected
- // methods, so we'll use this workaround for consistent behavior
- if ( ! in_array(strtolower($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}/{$method}");
- }
- }
- // Call the requested method.
- // Any URI segments present (besides the class/function) will be passed to the method for convenience
- call_user_func_array(array(&$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 */