| 68 |
lars |
1 |
<?php
|
|
|
2 |
/**
|
|
|
3 |
* CodeIgniter
|
|
|
4 |
*
|
|
|
5 |
* An open source application development framework for PHP
|
|
|
6 |
*
|
|
|
7 |
* This content is released under the MIT License (MIT)
|
|
|
8 |
*
|
| 2414 |
lars |
9 |
* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
|
| 68 |
lars |
10 |
*
|
|
|
11 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
12 |
* of this software and associated documentation files (the "Software"), to deal
|
|
|
13 |
* in the Software without restriction, including without limitation the rights
|
|
|
14 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
15 |
* copies of the Software, and to permit persons to whom the Software is
|
|
|
16 |
* furnished to do so, subject to the following conditions:
|
|
|
17 |
*
|
|
|
18 |
* The above copyright notice and this permission notice shall be included in
|
|
|
19 |
* all copies or substantial portions of the Software.
|
|
|
20 |
*
|
|
|
21 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
22 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
23 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
24 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
25 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
26 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
|
27 |
* THE SOFTWARE.
|
|
|
28 |
*
|
|
|
29 |
* @package CodeIgniter
|
|
|
30 |
* @author EllisLab Dev Team
|
|
|
31 |
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
|
| 2414 |
lars |
32 |
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
|
|
|
33 |
* @license https://opensource.org/licenses/MIT MIT License
|
| 68 |
lars |
34 |
* @link https://codeigniter.com
|
|
|
35 |
* @since Version 2.0
|
|
|
36 |
* @filesource
|
|
|
37 |
*/
|
|
|
38 |
defined('BASEPATH') OR exit('No direct script access allowed');
|
|
|
39 |
|
|
|
40 |
/**
|
|
|
41 |
* CodeIgniter Dummy Caching Class
|
|
|
42 |
*
|
|
|
43 |
* @package CodeIgniter
|
|
|
44 |
* @subpackage Libraries
|
|
|
45 |
* @category Core
|
|
|
46 |
* @author EllisLab Dev Team
|
|
|
47 |
* @link
|
|
|
48 |
*/
|
|
|
49 |
class CI_Cache_dummy extends CI_Driver {
|
|
|
50 |
|
|
|
51 |
/**
|
|
|
52 |
* Get
|
|
|
53 |
*
|
|
|
54 |
* Since this is the dummy class, it's always going to return FALSE.
|
|
|
55 |
*
|
|
|
56 |
* @param string
|
|
|
57 |
* @return bool FALSE
|
|
|
58 |
*/
|
|
|
59 |
public function get($id)
|
|
|
60 |
{
|
|
|
61 |
return FALSE;
|
|
|
62 |
}
|
|
|
63 |
|
|
|
64 |
// ------------------------------------------------------------------------
|
|
|
65 |
|
|
|
66 |
/**
|
|
|
67 |
* Cache Save
|
|
|
68 |
*
|
|
|
69 |
* @param string Unique Key
|
|
|
70 |
* @param mixed Data to store
|
|
|
71 |
* @param int Length of time (in seconds) to cache the data
|
|
|
72 |
* @param bool Whether to store the raw value
|
|
|
73 |
* @return bool TRUE, Simulating success
|
|
|
74 |
*/
|
|
|
75 |
public function save($id, $data, $ttl = 60, $raw = FALSE)
|
|
|
76 |
{
|
|
|
77 |
return TRUE;
|
|
|
78 |
}
|
|
|
79 |
|
|
|
80 |
// ------------------------------------------------------------------------
|
|
|
81 |
|
|
|
82 |
/**
|
|
|
83 |
* Delete from Cache
|
|
|
84 |
*
|
|
|
85 |
* @param mixed unique identifier of the item in the cache
|
|
|
86 |
* @return bool TRUE, simulating success
|
|
|
87 |
*/
|
|
|
88 |
public function delete($id)
|
|
|
89 |
{
|
|
|
90 |
return TRUE;
|
|
|
91 |
}
|
|
|
92 |
|
|
|
93 |
// ------------------------------------------------------------------------
|
|
|
94 |
|
|
|
95 |
/**
|
|
|
96 |
* Increment a raw value
|
|
|
97 |
*
|
|
|
98 |
* @param string $id Cache ID
|
|
|
99 |
* @param int $offset Step/value to add
|
|
|
100 |
* @return mixed New value on success or FALSE on failure
|
|
|
101 |
*/
|
|
|
102 |
public function increment($id, $offset = 1)
|
|
|
103 |
{
|
|
|
104 |
return TRUE;
|
|
|
105 |
}
|
|
|
106 |
|
|
|
107 |
// ------------------------------------------------------------------------
|
|
|
108 |
|
|
|
109 |
/**
|
|
|
110 |
* Decrement a raw value
|
|
|
111 |
*
|
|
|
112 |
* @param string $id Cache ID
|
|
|
113 |
* @param int $offset Step/value to reduce by
|
|
|
114 |
* @return mixed New value on success or FALSE on failure
|
|
|
115 |
*/
|
|
|
116 |
public function decrement($id, $offset = 1)
|
|
|
117 |
{
|
|
|
118 |
return TRUE;
|
|
|
119 |
}
|
|
|
120 |
|
|
|
121 |
// ------------------------------------------------------------------------
|
|
|
122 |
|
|
|
123 |
/**
|
|
|
124 |
* Clean the cache
|
|
|
125 |
*
|
|
|
126 |
* @return bool TRUE, simulating success
|
|
|
127 |
*/
|
|
|
128 |
public function clean()
|
|
|
129 |
{
|
|
|
130 |
return TRUE;
|
|
|
131 |
}
|
|
|
132 |
|
|
|
133 |
// ------------------------------------------------------------------------
|
|
|
134 |
|
|
|
135 |
/**
|
|
|
136 |
* Cache Info
|
|
|
137 |
*
|
|
|
138 |
* @param string user/filehits
|
|
|
139 |
* @return bool FALSE
|
|
|
140 |
*/
|
|
|
141 |
public function cache_info($type = NULL)
|
|
|
142 |
{
|
|
|
143 |
return FALSE;
|
|
|
144 |
}
|
|
|
145 |
|
|
|
146 |
// ------------------------------------------------------------------------
|
|
|
147 |
|
|
|
148 |
/**
|
|
|
149 |
* Get Cache Metadata
|
|
|
150 |
*
|
|
|
151 |
* @param mixed key to get cache metadata on
|
|
|
152 |
* @return bool FALSE
|
|
|
153 |
*/
|
|
|
154 |
public function get_metadata($id)
|
|
|
155 |
{
|
|
|
156 |
return FALSE;
|
|
|
157 |
}
|
|
|
158 |
|
|
|
159 |
// ------------------------------------------------------------------------
|
|
|
160 |
|
|
|
161 |
/**
|
|
|
162 |
* Is this caching driver supported on the system?
|
|
|
163 |
* Of course this one is.
|
|
|
164 |
*
|
|
|
165 |
* @return bool TRUE
|
|
|
166 |
*/
|
|
|
167 |
public function is_supported()
|
|
|
168 |
{
|
|
|
169 |
return TRUE;
|
|
|
170 |
}
|
|
|
171 |
|
|
|
172 |
}
|