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
|
<?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @copyright 2004-2022 Ryan Parman, Sam Sneddon, Ryan McCue
* @author Ryan Parman
* @author Sam Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
namespace SimplePie\Cache;
use InvalidArgumentException;
/**
* Adapter for deprecated \SimplePie\Cache\Base implementations
*
* @package SimplePie
* @subpackage Caching
* @internal
*/
final class BaseDataCache implements DataCache
{
/**
* @var Base
*/
private $cache;
public function __construct(Base $cache)
{
$this->cache = $cache;
}
/**
* Fetches a value from the cache.
*
* Equivalent to \Psr\SimpleCache\CacheInterface::get()
* <code>
* public function get(string $key, mixed $default = null): mixed;
* </code>
*
* @param string $key The unique key of this item in the cache.
* @param mixed $default Default value to return if the key does not exist.
*
* @return array|mixed The value of the item from the cache, or $default in case of cache miss.
*
* @throws InvalidArgumentException
* MUST be thrown if the $key string is not a legal value.
*/
public function get_data(string $key, $default = null)
{
$data = $this->cache->load();
if (!is_array($data)) {
return $default;
}
// ignore data if internal cache expiration time is not set
if (!array_key_exists('__cache_expiration_time', $data)) {
return $default;
}
// ignore data if internal cache expiration time is expired
if ($data['__cache_expiration_time'] < time()) {
return $default;
}
// remove internal cache expiration time
unset($data['__cache_expiration_time']);
return $data;
}
/**
* Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time.
*
* Equivalent to \Psr\SimpleCache\CacheInterface::set()
* <code>
* public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool;
* </code>
*
* @param string $key The key of the item to store.
* @param array $value The value of the item to store, must be serializable.
* @param null|int $ttl Optional. The TTL value of this item. If no value is sent and
* the driver supports TTL then the library may set a default value
* for it or let the driver take care of that.
*
* @return bool True on success and false on failure.
*
* @throws InvalidArgumentException
* MUST be thrown if the $key string is not a legal value.
*/
public function set_data(string $key, array $value, ?int $ttl = null): bool
{
if ($ttl === null) {
$ttl = 3600;
}
// place internal cache expiration time
$value['__cache_expiration_time'] = time() + $ttl;
return $this->cache->save($value);
}
/**
* Delete an item from the cache by its unique key.
*
* Equivalent to \Psr\SimpleCache\CacheInterface::delete()
* <code>
* public function delete(string $key): bool;
* </code>
*
* @param string $key The unique cache key of the item to delete.
*
* @return bool True if the item was successfully removed. False if there was an error.
*
* @throws InvalidArgumentException
* MUST be thrown if the $key string is not a legal value.
*/
public function delete_data(string $key): bool
{
return $this->cache->unlink();
}
}
|