shiftcontroller / happ / system / core / Config.php

Config.php in ShiftController Employee Shift Scheduling 2.2.3, at happ/system/core/Config.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	* CodeIgniter Config Class
20	*
21	* This class contains functions that enable config files to be managed
22	*
23	* @package CodeIgniter
24	* @subpackage Libraries
25	* @category Libraries
26	* @author ExpressionEngine Dev Team
27	* @link http://codeigniter.com/user_guide/libraries/config.html
28	*/
29	class CI_Config {
30
31	/**
32	* List of all loaded config values
33	*
34	* @var array
35	*/
36	var $config = array();
37	/**
38	* List of all loaded config files
39	*
40	* @var array
41	*/
42	var $is_loaded = array();
43	/**
44	* List of paths to search when trying to load a config file
45	*
46	* @var array
47	*/
48	var $_config_paths = array(APPPATH);
49
50	/**
51	* Constructor
52	*
53	* Sets the $config data from the primary config.php file as a class variable
54	*
55	* @access public
56	* @param string the config file name
57	* @param boolean if configuration values should be loaded into their own section
58	* @param boolean true if errors should just return false, false if an error message should be displayed
59	* @return boolean if the file was successfully loaded or not
60	*/
61	function __construct()
62	{
63	$this->config =& get_config();
64	log_message('debug', "Config Class Initialized");
65
66	// Set the base_url automatically if none was provided
67	if ($this->config['base_url'] == '')
68	{
69	if (isset($_SERVER['HTTP_HOST']))
70	{
71	$base_url = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http';
72	$base_url .= '://'. $_SERVER['HTTP_HOST'];
73	$base_url .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
74	}
75
76	else
77	{
78	$base_url = 'http://localhost/';
79	}
80
81	$this->set_item('base_url', $base_url);
82	}
83	}
84
85	// --------------------------------------------------------------------
86
87	/**
88	* Load Config File
89	*
90	* @access public
91	* @param string the config file name
92	* @param boolean if configuration values should be loaded into their own section
93	* @param boolean true if errors should just return false, false if an error message should be displayed
94	* @return boolean if the file was loaded correctly
95	*/
96	function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
97	{
98	$file = ($file == '') ? 'config' : str_replace('.php', '', $file);
99	$found = FALSE;
100	$loaded = FALSE;
101
102	$check_locations = defined('ENVIRONMENT')
103	? array(ENVIRONMENT.'/'.$file, $file)
104	: array($file);
105
106	$these_files = array();
107	foreach ($this->_config_paths as $path)
108	{
109	foreach ($check_locations as $location)
110	{
111	$file_path = $path.'config/'.$location.'.php';
112
113	if (in_array($file_path, $this->is_loaded, TRUE))
114	{
115	$loaded = TRUE;
116	continue 2;
117	}
118
119	if (file_exists($file_path))
120	{
121	$found = TRUE;
122	$these_files[] = $file_path;
123	// break;
124	}
125	}
126	}
127
128	if ($found === TRUE)
129	{
130	reset( $these_files );
131	foreach( $these_files as $file_path )
132	{
133	include($file_path);
134
135	if ( ! isset($config) OR ! is_array($config))
136	{
137	if ($fail_gracefully === TRUE)
138	{
139	return FALSE;
140	}
141	show_error('Your '.$file_path.' file does not appear to contain a valid configuration array.');
142	}
143
144	if ($use_sections === TRUE)
145	{
146	if (! isset($this->config[$file]))
147	{
148	$this->config[$file] = array();
149	}
150
151	reset( $config );
152	foreach( $config as $k => $v )
153	{
154	if( is_array($v) )
155	{
156	reset( $v );
157	foreach( $v as $k2 => $v2 )
158	{
159	if (isset($this->config[$file][$k][$k2]))
160	{
161	foreach( $v2 as $k3 => $v3 )
162	{
163	if( isset($this->config[$file][$k][$k2][$k3]) && is_array($v3) )
164	{
165	$this->config[$file][$k][$k2][$k3] = array_merge($this->config[$file][$k][$k2][$k3], $v3);
166	}
167	else
168	{
169	$this->config[$file][$k][$k2][$k3] = $v3;
170	}
171	}
172	// $this->config[$file][$k][$k2] = array_merge($this->config[$file][$k][$k2], $v2);
173	}
174	else
175	{
176	$this->config[$file][$k][$k2] = $v2;
177	}
178	}
179	}
180	else
181	{
182	$this->config[$file][$k] = $v;
183	}
184	}
185	//$this->config[$file] = array_merge($this->config[$file], $config);
186	}
187	else
188	{
189	$this->config = array_merge($this->config, $config);
190	}
191
192	$this->is_loaded[] = $file_path;
193	unset($config);
194
195	$loaded = TRUE;
196	log_message('debug', 'Config file loaded: '.$file_path);
197	}
198	}
199
200	if ($loaded === FALSE)
201	{
202	if ($fail_gracefully === TRUE)
203	{
204	return FALSE;
205	}
206	show_error('The configuration file '.$file.'.php does not exist.');
207	}
208
209	return TRUE;
210	}
211
212	function items( $index = '' )
213	{
214	$return = array();
215	if ($index == '')
216	{
217	$keys = array_keys($this->config);
218	}
219	else
220	{
221	if ( ! isset($this->config[$index]))
222	{
223	return FALSE;
224	}
225	$keys = array_keys($this->config[$index]);
226	}
227
228	reset( $keys );
229	foreach( $keys as $k )
230	{
231	$return[ $k ] = $this->item( $k, $index );
232	}
233
234	return $return;
235	}
236
237	// --------------------------------------------------------------------
238
239	/**
240	* Fetch a config file item
241	*
242	*
243	* @access public
244	* @param string the config item name
245	* @param string the index name
246	* @param bool
247	* @return string
248	*/
249	function item($item, $index = '')
250	{
251	if ($index == '')
252	{
253	if ( ! isset($this->config[$item]))
254	{
255	return FALSE;
256	}
257
258	$pref = $this->config[$item];
259	}
260	else
261	{
262	if ( ! isset($this->config[$index]))
263	{
264	return FALSE;
265	}
266
267	if ( ! isset($this->config[$index][$item]))
268	{
269	return FALSE;
270	}
271
272	$pref = $this->config[$index][$item];
273	}
274
275	return $pref;
276	}
277
278	// --------------------------------------------------------------------
279
280	/**
281	* Fetch a config file item - adds slash after item (if item is not empty)
282	*
283	* @access public
284	* @param string the config item name
285	* @param bool
286	* @return string
287	*/
288	function slash_item($item)
289	{
290	if ( ! isset($this->config[$item]))
291	{
292	return FALSE;
293	}
294	if( trim($this->config[$item]) == '')
295	{
296	return '';
297	}
298
299	return rtrim($this->config[$item], '/').'/';
300	}
301
302	// --------------------------------------------------------------------
303
304	/**
305	* Site URL
306	* Returns base_url . index_page [. uri_string]
307	*
308	* @access public
309	* @param string the URI string
310	* @return string
311	*/
312	function site_url($uri = '')
313	{
314	if ($uri == '')
315	{
316	return $this->slash_item('base_url').$this->item('index_page');
317	}
318
319	if ($this->item('enable_query_strings') == FALSE)
320	{
321	$suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix');
322	return $this->slash_item('base_url').$this->slash_item('index_page').$this->_uri_string($uri).$suffix;
323	}
324	else
325	{
326	return $this->slash_item('base_url').$this->item('index_page').'?'.$this->_uri_string($uri);
327	}
328	}
329
330	// -------------------------------------------------------------
331
332	/**
333	* Base URL
334	* Returns base_url [. uri_string]
335	*
336	* @access public
337	* @param string $uri
338	* @return string
339	*/
340	function base_url($uri = '')
341	{
342	return $this->slash_item('base_url').ltrim($this->_uri_string($uri), '/');
343	}
344
345	// -------------------------------------------------------------
346
347	/**
348	* Build URI string for use in Config::site_url() and Config::base_url()
349	*
350	* @access protected
351	* @param $uri
352	* @return string
353	*/
354	protected function _uri_string($uri)
355	{
356	if ($this->item('enable_query_strings') == FALSE)
357	{
358	if (is_array($uri))
359	{
360	$uri = implode('/', $uri);
361	}
362	$uri = trim($uri, '/');
363	}
364	else
365	{
366	if (is_array($uri))
367	{
368	$i = 0;
369	$str = '';
370	foreach ($uri as $key => $val)
371	{
372	$prefix = ($i == 0) ? '' : '&';
373	$str .= $prefix.$key.'='.$val;
374	$i++;
375	}
376	$uri = $str;
377	}
378	}
379	return $uri;
380	}
381
382	// --------------------------------------------------------------------
383
384	/**
385	* System URL
386	*
387	* @access public
388	* @return string
389	*/
390	function system_url()
391	{
392	$x = explode("/", preg_replace("\|/(.+?)/$\|", "\\1", BASEPATH));
393	return $this->slash_item('base_url').end($x).'/';
394	}
395
396	// --------------------------------------------------------------------
397
398	/**
399	* Set a config file item
400	*
401	* @access public
402	* @param string the config item key
403	* @param string the config item value
404	* @return void
405	*/
406	function set_item($item, $value, $index = '' )
407	{
408	if ($index == '')
409	{
410	$this->config[$item] = $value;
411	}
412	else
413	{
414	$this->config[$index][$item] = $value;
415	}
416	}
417
418	// --------------------------------------------------------------------
419
420	/**
421	* Assign to Config
422	*
423	* This function is called by the front controller (CodeIgniter.php)
424	* after the Config class is instantiated. It permits config items
425	* to be assigned or overriden by variables contained in the index.php file
426	*
427	* @access private
428	* @param array
429	* @return void
430	*/
431	function _assign_to_config($items = array())
432	{
433	if (is_array($items))
434	{
435	foreach ($items as $key => $val)
436	{
437	$this->set_item($key, $val);
438	}
439	}
440	}
441	}
442
443	// END CI_Config class
444
445	/* End of file Config.php */
446	/* Location: ./system/core/Config.php */
447