1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Code Igniter
*
* An open source application development framework for PHP 4.3.2 or newer
*
* @package CodeIgniter
* @author Rick Ellis
* @copyright Copyright (c) 2006, pMachine, Inc.
* @license http://www.codeignitor.com/user_guide/license.html
* @link http://www.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 Rick Ellis
* @link http://www.codeigniter.com/user_guide/
*/
define('APPVER', '1.4.0');
/*
* ------------------------------------------------------
* Load the global functions
* ------------------------------------------------------
*/
require(BASEPATH.'codeigniter/Common'.EXT);
/*
* ------------------------------------------------------
* Define a custom error handler so we can log errors
* ------------------------------------------------------
*/
set_error_handler('_exception_handler');
set_magic_quotes_runtime(0); // Kill magic quotes
/*
* ------------------------------------------------------
* Start the timer... tick tock tick tock...
* ------------------------------------------------------
*/
$BM =& _load_class('CI_Benchmark');
$BM->mark('code_igniter_start');
/*
* ------------------------------------------------------
* Instantiate the hooks classe
* ------------------------------------------------------
*/
$EXT =& _load_class('CI_Hooks');
/*
* ------------------------------------------------------
* Is there a "pre_system" hook?
* ------------------------------------------------------
*/
if ($EXT->_hook_exists('pre_system'))
{
$EXT->_call_hook('pre_system');
}
/*
* ------------------------------------------------------
* Instantiate the base classes
* ------------------------------------------------------
*/
$CFG =& _load_class('CI_Config');
$RTR =& _load_class('CI_Router');
$OUT =& _load_class('CI_Output');
/*
* ------------------------------------------------------
* Is there a valid cache file? If so, we're done...
* ------------------------------------------------------
*/
if ($EXT->_hook_exists('cache_override'))
{
$EXT->_call_hook('cache_override');
}
else
{
if ($OUT->_display_cache() == TRUE)
{
exit;
}
}
/*
* ------------------------------------------------------
* Load the remaining base classes
* ------------------------------------------------------
*/
$IN =& _load_class('CI_Input');
$URI =& _load_class('CI_URI');
$LANG =& _load_class('CI_Language');
/*
* ------------------------------------------------------
* Load the app controller and local controller
* ------------------------------------------------------
*
* Note: Due to the poor object handling in PHP 4 we'll
* contditionally load different versions of the base
* class. Retaining PHP 4 compatibility requires a bit of a hack.
*
* Note: The Loader class needs to be included first
*
*/
_load_class('CI_Loader', FALSE);
if (floor(phpversion()) < 5)
{
require(BASEPATH.'codeigniter/Base4'.EXT);
}
else
{
require(BASEPATH.'codeigniter/Base5'.EXT);
}
_load_class('CI_Controller', FALSE);
require(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().EXT);
/*
* ------------------------------------------------------
* 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 $method == 'controller'
OR substr($method, 0, 1) == '_'
OR in_array($method, get_class_methods('Controller'))
)
{
show_404();
}
/*
* ------------------------------------------------------
* Is there a "pre_controller" hook?
* ------------------------------------------------------
*/
if ($EXT->_hook_exists('pre_controller'))
{
$EXT->_call_hook('pre_controller');
}
/*
* ------------------------------------------------------
* Instantiate the controller and call requested method
* ------------------------------------------------------
*/
$CI = new $class();
if ($RTR->scaffolding_request === TRUE)
{
if ($EXT->_hook_exists('scaffolding_override'))
{
$EXT->_call_hook('scaffolding_override');
}
else
{
$CI->_ci_scaffolding();
}
}
else
{
if ($method == $class)
{
$method = 'index';
}
if (method_exists($CI, '_remap'))
{
$CI->_remap($method);
}
else
{
if ( ! method_exists($CI, $method))
{
show_404();
}
$CI->$method();
}
}
/*
* ------------------------------------------------------
* Is there a "post_controller" hook?
* ------------------------------------------------------
*/
if ($EXT->_hook_exists('post_controller'))
{
$EXT->_call_hook('post_controller');
}
/*
* ------------------------------------------------------
* Send the final rendered output to the browser
* ------------------------------------------------------
*/
if ($EXT->_hook_exists('display_override'))
{
$EXT->_call_hook('display_override');
}
else
{
$OUT->_display();
}
/*
* ------------------------------------------------------
* Is there a "post_system" hook?
* ------------------------------------------------------
*/
if ($EXT->_hook_exists('post_system'))
{
$EXT->_call_hook('post_system');
}
/*
* ------------------------------------------------------
* Close the DB connection of one exists
* ------------------------------------------------------
*/
if ($CI->_ci_is_loaded('db'))
{
$CI->db->close();
}
?>
|
