shiftcontroller / happ / system / core / CodeIgniter.php

CodeIgniter.php in ShiftController Employee Shift Scheduling 2.1.2, at happ/system/core/CodeIgniter.php

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1	<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
2	/**
3	* CodeIgniter
4	*
5	* An open source application development framework for PHP 5.1.6 or newer
6	*
7	* @package CodeIgniter
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
12	* @since Version 1.0
13	* @filesource
14	*/
15
16	// ------------------------------------------------------------------------
17
18	/**
19	* System Initialization File
20	*
21	* Loads the base classes and executes the request.
22	*
23	* @package CodeIgniter
24	* @subpackage codeigniter
25	* @category Front-controller
26	* @author ExpressionEngine Dev Team
27	* @link http://codeigniter.com/user_guide/
28	*/
29
30	/**
31	* CodeIgniter Version
32	*
33	* @var string
34	*
35	*/
36	define('CI_VERSION', '2.1.4');
37
38	/**
39	* CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
40	*
41	* @var boolean
42	*
43	*/
44	define('CI_CORE', FALSE);
45
46	/*
47	* ------------------------------------------------------
48	* Load the global functions
49	* ------------------------------------------------------
50	*/
51	require(BASEPATH.'core/Common.php');
52
53	/*
54	* ------------------------------------------------------
55	* Load the framework constants
56	* ------------------------------------------------------
57	*/
58	if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants.php'))
59	{
60	require(APPPATH.'config/'.ENVIRONMENT.'/constants.php');
61	}
62	else
63	{
64	require(APPPATH.'config/constants.php');
65	}
66
67	/*
68	* ------------------------------------------------------
69	* Define a custom error handler so we can log PHP errors
70	* ------------------------------------------------------
71	*/
72	set_error_handler('_exception_handler');
73
74	if ( ! is_php('5.3'))
75	{
76	@set_magic_quotes_runtime(0); // Kill magic quotes
77	}
78
79	/*
80	* ------------------------------------------------------
81	* Set the subclass_prefix
82	* ------------------------------------------------------
83	*
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.
94	*/
95	if (isset($assign_to_config['subclass_prefix']) AND $assign_to_config['subclass_prefix'] != '')
96	{
97	get_config(array('subclass_prefix' => $assign_to_config['subclass_prefix']));
98	}
99
100	/*
101	* ------------------------------------------------------
102	* Set a liberal script execution time limit
103	* ------------------------------------------------------
104	*/
105	if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0)
106	{
107	@set_time_limit(300);
108	}
109
110	/*
111	* ------------------------------------------------------
112	* Start the timer... tick tock tick tock...
113	* ------------------------------------------------------
114	*/
115	$BM =& load_class('Benchmark', 'core');
116	$BM->mark('total_execution_time_start');
117	$BM->mark('loading_time:_base_classes_start');
118
119	/*
120	* ------------------------------------------------------
121	* Instantiate the hooks class
122	* ------------------------------------------------------
123	*/
124	$EXT =& load_class('Hooks', 'core');
125
126	/*
127	* ------------------------------------------------------
128	* Is there a "pre_system" hook?
129	* ------------------------------------------------------
130	*/
131	$EXT->_call_hook('pre_system');
132
133	/*
134	* ------------------------------------------------------
135	* Instantiate the config class
136	* ------------------------------------------------------
137	*/
138	$CFG =& load_class('Config', 'core');
139
140	// Do we have any manually set config items in the index.php file?
141	if (isset($assign_to_config))
142	{
143	$CFG->_assign_to_config($assign_to_config);
144	}
145
146	/*
147	* ------------------------------------------------------
148	* Instantiate the UTF-8 class
149	* ------------------------------------------------------
150	*
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.
155	*
156	*/
157
158	$UNI =& load_class('Utf8', 'core');
159
160	/*
161	* ------------------------------------------------------
162	* Instantiate the URI class
163	* ------------------------------------------------------
164	*/
165	$URI =& load_class('URI', 'core');
166
167	/*
168	* ------------------------------------------------------
169	* Instantiate the routing class and set the routing
170	* ------------------------------------------------------
171	*/
172	$RTR =& load_class('Router', 'core');
173	$RTR->_set_routing();
174
175	// Set any routing overrides that may exist in the main index file
176	if (isset($routing))
177	{
178	$RTR->_set_overrides($routing);
179	}
180
181	/*
182	* ------------------------------------------------------
183	* Instantiate the output class
184	* ------------------------------------------------------
185	*/
186	$OUT =& load_class('Output', 'core');
187
188	/*
189	* ------------------------------------------------------
190	* Is there a valid cache file? If so, we're done...
191	* ------------------------------------------------------
192	*/
193	if ($EXT->_call_hook('cache_override') === FALSE)
194	{
195	if ($OUT->_display_cache($CFG, $URI) == TRUE)
196	{
197	exit;
198	}
199	}
200
201	/*
202	* -----------------------------------------------------
203	* Load the security class for xss and csrf support
204	* -----------------------------------------------------
205	*/
206	$SEC =& load_class('Security', 'core');
207
208	/*
209	* ------------------------------------------------------
210	* Load the Input class and sanitize globals
211	* ------------------------------------------------------
212	*/
213	$IN =& load_class('Input', 'core');
214
215	/*
216	* ------------------------------------------------------
217	* Load the Language class
218	* ------------------------------------------------------
219	*/
220	$LANG =& load_class('Lang', 'core');
221
222	/*
223	* ------------------------------------------------------
224	* Load the app controller and local controller
225	* ------------------------------------------------------
226	*
227	*/
228	// Load the base controller class
229	require BASEPATH.'core/Controller.php';
230
231	function &ci_get_instance()
232	{
233	return CI_Controller::ci_get_instance();
234	}
235
236
237	if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php'))
238	{
239	require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php';
240	}
241
242	// Load the local application controller
243	// Note: The Router class automatically validates the controller path using the router->_validate_request().
244	// If this include fails it means that the default controller in the Routes.php file is not resolving to something valid.
245	if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php'))
246	{
247	show_error('Unable to load your default controller. Please make sure the controller specified in your Routes.php file is valid.');
248	}
249
250	include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php');
251
252	// Set a mark point for benchmarking
253	$BM->mark('loading_time:_base_classes_end');
254
255	/*
256	* ------------------------------------------------------
257	* Security check
258	* ------------------------------------------------------
259	*
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
263	*/
264	$class = $RTR->fetch_class();
265	$method = $RTR->fetch_method();
266
267	if ( ! class_exists($class)
268	OR strncmp($method, '_', 1) == 0
269	OR in_array(strtolower($method), array_map('strtolower', get_class_methods('CI_Controller')))
270	)
271	{
272	if ( ! empty($RTR->routes['404_override']))
273	{
274	$x = explode('/', $RTR->routes['404_override']);
275	$class = $x[0];
276	$method = (isset($x[1]) ? $x[1] : 'index');
277	if ( ! class_exists($class))
278	{
279	if ( ! file_exists(APPPATH.'controllers/'.$class.'.php'))
280	{
281	show_404("{$class}/{$method}");
282	}
283
284	include_once(APPPATH.'controllers/'.$class.'.php');
285	}
286	}
287	else
288	{
289	show_404("{$class}/{$method}");
290	}
291	}
292
293	/*
294	* ------------------------------------------------------
295	* Is there a "pre_controller" hook?
296	* ------------------------------------------------------
297	*/
298	$EXT->_call_hook('pre_controller');
299
300	/*
301	* ------------------------------------------------------
302	* Instantiate the requested controller
303	* ------------------------------------------------------
304	*/
305	// Mark a start point so we can benchmark the controller
306	$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');
307
308	$CI = new $class();
309
310	/*
311	* ------------------------------------------------------
312	* Is there a "post_controller_constructor" hook?
313	* ------------------------------------------------------
314	*/
315	$EXT->_call_hook('post_controller_constructor');
316
317	/*
318	* ------------------------------------------------------
319	* Call the requested method
320	* ------------------------------------------------------
321	*/
322	// Is there a "remap" function? If so, we call it instead
323	if (method_exists($CI, '_remap'))
324	{
325	$CI->_remap($method, array_slice($URI->rsegments, 2));
326	}
327	else
328	{
329	// is_callable() returns TRUE on some versions of PHP 5 for private and protected
330	// methods, so we'll use this workaround for consistent behavior
331	if ( ! in_array(strtolower($method), array_map('strtolower', get_class_methods($CI))))
332	{
333	// Check and see if we are using a 404 override and use it.
334	if ( ! empty($RTR->routes['404_override']))
335	{
336	$x = explode('/', $RTR->routes['404_override']);
337	$class = $x[0];
338	$method = (isset($x[1]) ? $x[1] : 'index');
339	if ( ! class_exists($class))
340	{
341	if ( ! file_exists(APPPATH.'controllers/'.$class.'.php'))
342	{
343	show_404("{$class}/{$method}");
344	}
345
346	include_once(APPPATH.'controllers/'.$class.'.php');
347	unset($CI);
348	$CI = new $class();
349	}
350	}
351	else
352	{
353	show_404("{$class}/{$method}");
354	}
355	}
356
357	// Call the requested method.
358	// Any URI segments present (besides the class/function) will be passed to the method for convenience
359	call_user_func_array(array(&$CI, $method), array_slice($URI->rsegments, 2));
360	}
361
362
363	// Mark a benchmark end point
364	$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');
365
366	/*
367	* ------------------------------------------------------
368	* Is there a "post_controller" hook?
369	* ------------------------------------------------------
370	*/
371	$EXT->_call_hook('post_controller');
372
373	/*
374	* ------------------------------------------------------
375	* Send the final rendered output to the browser
376	* ------------------------------------------------------
377	*/
378	if ($EXT->_call_hook('display_override') === FALSE)
379	{
380	$OUT->_display();
381	}
382
383	/*
384	* ------------------------------------------------------
385	* Is there a "post_system" hook?
386	* ------------------------------------------------------
387	*/
388	$EXT->_call_hook('post_system');
389
390	/*
391	* ------------------------------------------------------
392	* Close the DB connection if one exists
393	* ------------------------------------------------------
394	*/
395	if (class_exists('CI_DB') AND isset($CI->db))
396	{
397	$CI->db->close();
398	}
399
400
401	/* End of file CodeIgniter.php */
402	/* Location: ./system/core/CodeIgniter.php */