--- /dev/null
+<?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/
+ */
+
+/*
+ * ------------------------------------------------------
+ * Define the CodeIgniter Version
+ * ------------------------------------------------------
+ */
+ define('CI_VERSION', '2.0.2');
+
+/*
+ * ------------------------------------------------------
+ * Define the CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
+ * ------------------------------------------------------
+ */
+ define('CI_CORE', FALSE);
+
+/*
+ * ------------------------------------------------------
+ * Load the global functions
+ * ------------------------------------------------------
+ */
+ require(BASEPATH.'core/Common'.EXT);
+
+/*
+ * ------------------------------------------------------
+ * Load the framework constants
+ * ------------------------------------------------------
+ */
+ if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants'.EXT))
+ {
+ require(APPPATH.'config/'.ENVIRONMENT.'/constants'.EXT);
+ }
+ else
+ {
+ require(APPPATH.'config/constants'.EXT);
+ }
+
+/*
+ * ------------------------------------------------------
+ * 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
+ * ------------------------------------------------------
+ */
+ $LANG =& load_class('Lang', 'core');
+
+/*
+ * ------------------------------------------------------
+ * Load the app controller and local controller
+ * ------------------------------------------------------
+ *
+ */
+ // Load the base controller class
+ require BASEPATH.'core/Controller'.EXT;
+
+ function &get_instance()
+ {
+ return CI_Controller::get_instance();
+ }
+
+
+ if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller'.EXT))
+ {
+ require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller'.EXT;
+ }
+
+ // Load the local application controller
+ // Note: The Router class automatically validates the controller path using the router->_validate_request().
+ // If this include fails it means that the default controller in the Routes.php file is not resolving to something valid.
+ if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT))
+ {
+ show_error('Unable to load your default controller. Please make sure the controller specified in your Routes.php file is valid.');
+ }
+
+ include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT);
+
+ // 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')))
+ )
+ {
+ 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/'.$class.EXT))
+ {
+ show_404("{$class}/{$method}");
+ }
+
+ include_once(APPPATH.'controllers/'.$class.EXT);
+ 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 */
\ No newline at end of file
projects / living-lab-site.git / blobdiff