/codeigniter/CodeIgniter.php
PHP | 277 lines | 88 code | 42 blank | 147 comment | 15 complexity | b8f89b893c70cd2619ab80b54b0f1f36 MD5 | raw file
- <?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) 2006, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
- // ------------------------------------------------------------------------
- /**
- * System Front Controller
- *
- * 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/
- */
- // CI Version
- define('CI_VERSION', '1.6.2');
- /*
- * ------------------------------------------------------
- * Load the global functions
- * ------------------------------------------------------
- */
- require(BASEPATH.'codeigniter/Common'.EXT);
- /*
- * ------------------------------------------------------
- * Load the compatibility override functions
- * ------------------------------------------------------
- */
- require(BASEPATH.'codeigniter/Compat'.EXT);
- /*
- * ------------------------------------------------------
- * Load the framework constants
- * ------------------------------------------------------
- */
- require(APPPATH.'config/constants'.EXT);
- /*
- * ------------------------------------------------------
- * Define a custom error handler so we can log PHP errors
- * ------------------------------------------------------
- */
- set_error_handler('_exception_handler');
- set_magic_quotes_runtime(0); // Kill magic quotes
- /*
- * ------------------------------------------------------
- * Start the timer... tick tock tick tock...
- * ------------------------------------------------------
- */
- $BM =& load_class('Benchmark');
- $BM->mark('total_execution_time_start');
- $BM->mark('loading_time_base_classes_start');
- /*
- * ------------------------------------------------------
- * Instantiate the hooks class
- * ------------------------------------------------------
- */
- $EXT =& load_class('Hooks');
- /*
- * ------------------------------------------------------
- * Is there a "pre_system" hook?
- * ------------------------------------------------------
- */
- $EXT->_call_hook('pre_system');
- /*
- * ------------------------------------------------------
- * Instantiate the base classes
- * ------------------------------------------------------
- */
- $CFG =& load_class('Config');
- $URI =& load_class('URI');
- $RTR =& load_class('Router');
- $OUT =& load_class('Output');
- /*
- * ------------------------------------------------------
- * Is there a valid cache file? If so, we're done...
- * ------------------------------------------------------
- */
- if ($EXT->_call_hook('cache_override') === FALSE)
- {
- if ($OUT->_display_cache($CFG, $RTR) == TRUE)
- {
- exit;
- }
- }
- /*
- * ------------------------------------------------------
- * Load the remaining base classes
- * ------------------------------------------------------
- */
- $IN =& load_class('Input');
- $LANG =& load_class('Language');
- /*
- * ------------------------------------------------------
- * Load the app controller and local controller
- * ------------------------------------------------------
- *
- * Note: Due to the poor object handling in PHP 4 we'll
- * conditionally load different versions of the base
- * class. Retaining PHP 4 compatibility requires a bit of a hack.
- *
- * Note: The Loader class needs to be included first
- *
- */
- if (floor(phpversion()) < 5)
- {
- load_class('Loader', FALSE);
- require(BASEPATH.'codeigniter/Base4'.EXT);
- }
- else
- {
- require(BASEPATH.'codeigniter/Base5'.EXT);
- }
- // Load the base controller class
- load_class('Controller', FALSE);
- // Load the local application controller
- // Note: The Router class automatically validates the controller path. If this include fails it
- // means that the default controller in the Routes.php file is not resolving to something valid.
- if ( ! file_exists(APPPATH.'controllers/'.$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 $method == 'controller'
- OR strncmp($method, '_', 1) == 0
- OR in_array($method, get_class_methods('Controller'), TRUE)
- )
- {
- show_404("{$class}/{$method}");
- }
- /*
- * ------------------------------------------------------
- * Is there a "pre_controller" hook?
- * ------------------------------------------------------
- */
- $EXT->_call_hook('pre_controller');
- /*
- * ------------------------------------------------------
- * Instantiate the controller and call requested method
- * ------------------------------------------------------
- */
- // Mark a start point so we can benchmark the controller
- $BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');
- $CI = new $class();
- // Is this a scaffolding request?
- if ($RTR->scaffolding_request === TRUE)
- {
- if ($EXT->_call_hook('scaffolding_override') === FALSE)
- {
- $CI->_ci_scaffolding();
- }
- }
- else
- {
- /*
- * ------------------------------------------------------
- * Is there a "post_controller_constructor" hook?
- * ------------------------------------------------------
- */
- $EXT->_call_hook('post_controller_constructor');
-
- // Is there a "remap" function?
- if (method_exists($CI, '_remap'))
- {
- $CI->_remap($method);
- }
- 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))))
- {
- 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/codeigniter/CodeIgniter.php */