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jfr.im git - z_archive/KronOS.git/blob - system/core/CodeIgniter.php
1 <?php
if ( ! defined('BASEPATH')) exit('No direct script access allowed');
5 * An open source application development framework for PHP 5.1.6 or newer
8 * @author ExpressionEngine Dev Team
9 * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
10 * @license http://codeigniter.com/user_guide/license.html
11 * @link http://codeigniter.com
16 // ------------------------------------------------------------------------
19 * System Initialization File
21 * Loads the base classes and executes the request.
23 * @package CodeIgniter
24 * @subpackage codeigniter
25 * @category Front-controller
26 * @author ExpressionEngine Dev Team
27 * @link http://codeigniter.com/user_guide/
36 define('CI_VERSION', '2.1.3');
39 * CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
44 define('CI_CORE', FALSE);
47 * ------------------------------------------------------
48 * Load the global functions
49 * ------------------------------------------------------
51 require(BASEPATH
.'core/Common.php');
54 * ------------------------------------------------------
55 * Load the framework constants
56 * ------------------------------------------------------
58 if (defined('ENVIRONMENT') AND file_exists(APPPATH
.'config/'.ENVIRONMENT
.'/constants.php'))
60 require(APPPATH
.'config/'.ENVIRONMENT
.'/constants.php');
64 require(APPPATH
.'config/constants.php');
68 * ------------------------------------------------------
69 * Define a custom error handler so we can log PHP errors
70 * ------------------------------------------------------
72 set_error_handler('_exception_handler');
76 @set_magic_quotes_runtime(0); // Kill magic quotes
80 * ------------------------------------------------------
81 * Set the subclass_prefix
82 * ------------------------------------------------------
84 * Normally the "subclass_prefix" is set in the config file.
85 * The subclass prefix allows CI to know if a core class is
86 * being extended via a library in the local application
87 * "libraries" folder. Since CI allows config items to be
88 * overriden via data set in the main index. php file,
89 * before proceeding we need to know if a subclass_prefix
90 * override exists. If so, we will set this value now,
91 * before any classes are loaded
92 * Note: Since the config file data is cached it doesn't
93 * hurt to load it here.
95 if (isset($assign_to_config['subclass_prefix']) AND $assign_to_config['subclass_prefix'] != '')
97 get_config(array('subclass_prefix' => $assign_to_config['subclass_prefix']));
101 * ------------------------------------------------------
102 * Set a liberal script execution time limit
103 * ------------------------------------------------------
105 if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0)
107 @set_time_limit(300);
111 * ------------------------------------------------------
112 * Start the timer... tick tock tick tock...
113 * ------------------------------------------------------
115 $BM =& load_class('Benchmark', 'core');
116 $BM->mark('total_execution_time_start');
117 $BM->mark('loading_time:_base_classes_start');
120 * ------------------------------------------------------
121 * Instantiate the hooks class
122 * ------------------------------------------------------
124 $EXT =& load_class('Hooks', 'core');
127 * ------------------------------------------------------
128 * Is there a "pre_system" hook?
129 * ------------------------------------------------------
131 $EXT->_call_hook('pre_system');
134 * ------------------------------------------------------
135 * Instantiate the config class
136 * ------------------------------------------------------
138 $CFG =& load_class('Config', 'core');
140 // Do we have any manually set config items in the index.php file?
141 if (isset($assign_to_config))
143 $CFG->_assign_to_config($assign_to_config);
147 * ------------------------------------------------------
148 * Instantiate the UTF-8 class
149 * ------------------------------------------------------
151 * Note: Order here is rather important as the UTF-8
152 * class needs to be used very early on, but it cannot
153 * properly determine if UTf-8 can be supported until
154 * after the Config class is instantiated.
158 $UNI =& load_class('Utf8', 'core');
161 * ------------------------------------------------------
162 * Instantiate the URI class
163 * ------------------------------------------------------
165 $URI =& load_class('URI', 'core');
168 * ------------------------------------------------------
169 * Instantiate the routing class and set the routing
170 * ------------------------------------------------------
172 $RTR =& load_class('Router', 'core');
173 $RTR->_set_routing();
175 // Set any routing overrides that may exist in the main index file
178 $RTR->_set_overrides($routing);
182 * ------------------------------------------------------
183 * Instantiate the output class
184 * ------------------------------------------------------
186 $OUT =& load_class('Output', 'core');
189 * ------------------------------------------------------
190 * Is there a valid cache file? If so, we're done...
191 * ------------------------------------------------------
193 if ($EXT->_call_hook('cache_override') === FALSE)
195 if ($OUT->_display_cache($CFG, $URI) == TRUE)
202 * -----------------------------------------------------
203 * Load the security class for xss and csrf support
204 * -----------------------------------------------------
206 $SEC =& load_class('Security', 'core');
209 * ------------------------------------------------------
210 * Load the Input class and sanitize globals
211 * ------------------------------------------------------
213 $IN =& load_class('Input', 'core');
216 * ------------------------------------------------------
217 * Load the Language class
218 * ------------------------------------------------------
220 $LANG =& load_class('Lang', 'core');
223 * ------------------------------------------------------
224 * Load the app controller and local controller
225 * ------------------------------------------------------
228 // Load the base controller class
229 require BASEPATH
.'core/Controller.php';
231 function &get_instance()
233 return CI_Controller
::get_instance();
237 if (file_exists(APPPATH
.'core/'.$CFG->config
['subclass_prefix'].'Controller.php'))
239 require APPPATH
.'core/'.$CFG->config
['subclass_prefix'].'Controller.php';
242 // Load the local application controller
243 // Note: The Router class automatically validates the controller path using the router->_validate_request().
244 // If this include fails it means that the default controller in the Routes.php file is not resolving to something valid.
245 if ( ! file_exists(APPPATH
.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php'))
247 show_error('Unable to load your default controller. Please make sure the controller specified in your Routes.php file is valid.');
250 include(APPPATH
.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php');
252 // Set a mark point for benchmarking
253 $BM->mark('loading_time:_base_classes_end');
256 * ------------------------------------------------------
258 * ------------------------------------------------------
260 * None of the functions in the app controller or the
261 * loader class can be called via the URI, nor can
262 * controller functions that begin with an underscore
264 $class = $RTR->fetch_class();
265 $method = $RTR->fetch_method();
267 if ( ! class_exists($class)
268 OR strncmp($method, '_', 1) == 0
269 OR in_array(strtolower($method), array_map('strtolower', get_class_methods('CI_Controller')))
272 if ( ! empty($RTR->routes
['404_override']))
274 $x = explode('/', $RTR->routes
['404_override']);
276 $method = (isset($x[1]) ? $x[1] : 'index');
277 if ( ! class_exists($class))
279 if ( ! file_exists(APPPATH
.'controllers/'.$class.'.php'))
281 show_404("{$class}/{$method}");
284 include_once(APPPATH
.'controllers/'.$class.'.php');
289 show_404("{$class}/{$method}");
294 * ------------------------------------------------------
295 * Is there a "pre_controller" hook?
296 * ------------------------------------------------------
298 $EXT->_call_hook('pre_controller');
301 * ------------------------------------------------------
302 * Instantiate the requested controller
303 * ------------------------------------------------------
305 // Mark a start point so we can benchmark the controller
306 $BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');
311 * ------------------------------------------------------
312 * Is there a "post_controller_constructor" hook?
313 * ------------------------------------------------------
315 $EXT->_call_hook('post_controller_constructor');
318 * ------------------------------------------------------
319 * Call the requested method
320 * ------------------------------------------------------
322 // Is there a "remap" function? If so, we call it instead
323 if (method_exists($CI, '_remap'))
325 $CI->_remap($method, array_slice($URI->rsegments
, 2));
329 // is_callable() returns TRUE on some versions of PHP 5 for private and protected
330 // methods, so we'll use this workaround for consistent behavior
331 if ( ! in_array(strtolower($method), array_map('strtolower', get_class_methods($CI))))
333 // Check and see if we are using a 404 override and use it.
334 if ( ! empty($RTR->routes
['404_override']))
336 $x = explode('/', $RTR->routes
['404_override']);
338 $method = (isset($x[1]) ? $x[1] : 'index');
339 if ( ! class_exists($class))
341 if ( ! file_exists(APPPATH
.'controllers/'.$class.'.php'))
343 show_404("{$class}/{$method}");
346 include_once(APPPATH
.'controllers/'.$class.'.php');
353 show_404("{$class}/{$method}");
357 // Call the requested method.
358 // Any URI segments present (besides the class/function) will be passed to the method for convenience
359 call_user_func_array(array(&$CI, $method), array_slice($URI->rsegments
, 2));
363 // Mark a benchmark end point
364 $BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');
367 * ------------------------------------------------------
368 * Is there a "post_controller" hook?
369 * ------------------------------------------------------
371 $EXT->_call_hook('post_controller');
374 * ------------------------------------------------------
375 * Send the final rendered output to the browser
376 * ------------------------------------------------------
378 if ($EXT->_call_hook('display_override') === FALSE)
384 * ------------------------------------------------------
385 * Is there a "post_system" hook?
386 * ------------------------------------------------------
388 $EXT->_call_hook('post_system');
391 * ------------------------------------------------------
392 * Close the DB connection if one exists
393 * ------------------------------------------------------
395 if (class_exists('CI_DB') AND isset($CI->db
))
401 /* End of file CodeIgniter.php */
402 /* Location: ./system/core/CodeIgniter.php */