|
1
|
|
|
<?php |
|
2
|
|
|
/* |
|
3
|
|
|
* This file is part of the Shieldon Simple Cache package. |
|
4
|
|
|
* |
|
5
|
|
|
* (c) Terry L. <[email protected]> |
|
6
|
|
|
* |
|
7
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
8
|
|
|
* file that was distributed with this source code. |
|
9
|
|
|
*/ |
|
10
|
|
|
|
|
11
|
|
|
declare(strict_types=1); |
|
12
|
|
|
|
|
13
|
|
|
namespace Shieldon\SimpleCache\Driver; |
|
14
|
|
|
|
|
15
|
|
|
use PDO; |
|
16
|
|
|
use function serialize; |
|
17
|
|
|
use function unserialize; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* A trait implements SQL-action methods. |
|
21
|
|
|
*/ |
|
22
|
|
|
Trait SqlTrait |
|
23
|
|
|
{ |
|
24
|
|
|
/** |
|
25
|
|
|
* The PDO instance. |
|
26
|
|
|
* |
|
27
|
|
|
* @var PDO |
|
28
|
|
|
*/ |
|
29
|
|
|
protected $db; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* Table name. |
|
33
|
|
|
* |
|
34
|
|
|
* @var string |
|
35
|
|
|
*/ |
|
36
|
|
|
protected $table = 'cache_data'; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* Rebuid a database table schema for SQL-like Cache driver. |
|
40
|
|
|
* |
|
41
|
|
|
* @return bool True for success, overwise. |
|
42
|
|
|
*/ |
|
43
|
|
|
abstract public function rebuild(): bool; |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* Fetch a cache by an extended Cache Driver. |
|
47
|
|
|
* |
|
48
|
|
|
* @param string $key The key of a cache. |
|
49
|
|
|
* |
|
50
|
|
|
* @return array |
|
51
|
|
|
*/ |
|
52
|
12 |
|
protected function doGet(string $key): array |
|
53
|
|
|
{ |
|
54
|
12 |
|
$sql = 'SELECT * FROM ' . $this->table . ' |
|
55
|
|
|
WHERE cache_key = :cache_key'; |
|
56
|
|
|
|
|
57
|
12 |
|
$query = $this->db->prepare($sql); |
|
58
|
12 |
|
$query->bindValue(':cache_key', $key, PDO::PARAM_STR); |
|
59
|
12 |
|
$query->execute(); |
|
60
|
12 |
|
$resultData = $query->fetch($this->db::FETCH_ASSOC); |
|
61
|
|
|
|
|
62
|
12 |
|
if (empty($resultData['cache_value'])) { |
|
63
|
12 |
|
return []; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
12 |
|
$data = unserialize($resultData['cache_value']); |
|
67
|
|
|
|
|
68
|
12 |
|
return $data; |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
/** |
|
72
|
|
|
* Set a cache by an extended Cache Driver. |
|
73
|
|
|
* |
|
74
|
|
|
* @param string $key The key of a cache. |
|
75
|
|
|
* @param mixed $value The value of a cache. (serialized) |
|
76
|
|
|
* @param int $ttl The time to live for a cache. |
|
77
|
|
|
* @param int $timestamp The time to store a cache. |
|
78
|
|
|
* |
|
79
|
|
|
* @return bool |
|
80
|
|
|
*/ |
|
81
|
12 |
|
protected function doSet(string $key, $value, int $ttl, int $timestamp): bool |
|
82
|
|
|
{ |
|
83
|
12 |
|
$cacheData = $this->get($key); |
|
|
|
|
|
|
84
|
|
|
|
|
85
|
12 |
|
$sql = 'INSERT INTO ' . $this->table . ' (cache_key, cache_value) |
|
86
|
|
|
VALUES (:cache_key, :cache_value)'; |
|
87
|
|
|
|
|
88
|
12 |
|
if (!empty($cacheData)) { |
|
89
|
4 |
|
$sql = 'UPDATE ' . $this->table . ' |
|
90
|
|
|
SET cache_value = :cache_value |
|
91
|
|
|
WHERE cache_key = :cache_key'; |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
12 |
|
$query = $this->db->prepare($sql); |
|
95
|
|
|
|
|
96
|
|
|
$data = [ |
|
97
|
12 |
|
'cache_key' => $key, |
|
98
|
12 |
|
'cache_value' => serialize([ |
|
99
|
12 |
|
'timestamp' => $timestamp, |
|
100
|
12 |
|
'ttl' => $ttl, |
|
101
|
12 |
|
'value' => $value |
|
102
|
|
|
]), |
|
103
|
|
|
]; |
|
104
|
|
|
|
|
105
|
12 |
|
return $query->execute($data); |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* Delete a cache by an extended Cache Driver. |
|
110
|
|
|
* |
|
111
|
|
|
* @param string $key The key of a cache. |
|
112
|
|
|
* |
|
113
|
|
|
* @return bool |
|
114
|
|
|
*/ |
|
115
|
8 |
|
protected function doDelete(string $key): bool |
|
116
|
|
|
{ |
|
117
|
8 |
|
$sql = 'DELETE FROM ' . $this->table . ' |
|
118
|
|
|
WHERE cache_key = ?'; |
|
119
|
|
|
|
|
120
|
8 |
|
$query = $this->db->prepare($sql); |
|
121
|
8 |
|
$result = $query->execute([$key]); |
|
122
|
|
|
|
|
123
|
8 |
|
return $result; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
/** |
|
127
|
|
|
* Delete all caches by an extended Cache Driver. |
|
128
|
|
|
* |
|
129
|
|
|
* @return bool |
|
130
|
|
|
*/ |
|
131
|
2 |
|
protected function doClear(): bool |
|
132
|
|
|
{ |
|
133
|
2 |
|
$sql = 'TRUNCATE TABLE ' . $this->table; |
|
134
|
|
|
|
|
135
|
2 |
|
$query = $this->db->prepare($sql); |
|
136
|
2 |
|
$result = $query->execute(); |
|
137
|
|
|
|
|
138
|
2 |
|
return $result; |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
/** |
|
142
|
|
|
* Check if the cache exists or not. |
|
143
|
|
|
* |
|
144
|
|
|
* @param string $key The key of a cache. |
|
145
|
|
|
* |
|
146
|
|
|
* @return bool |
|
147
|
|
|
*/ |
|
148
|
8 |
|
protected function doHas(string $key): bool |
|
149
|
|
|
{ |
|
150
|
8 |
|
$sql = 'SELECT COUNT(*) FROM ' . $this->table . ' |
|
151
|
|
|
WHERE cache_key = :cache_key'; |
|
152
|
|
|
|
|
153
|
8 |
|
$query = $this->db->prepare($sql); |
|
154
|
8 |
|
$query->bindValue(':cache_key', $key, PDO::PARAM_STR); |
|
155
|
8 |
|
$query->execute(); |
|
156
|
8 |
|
$count =$query->fetchColumn(); |
|
157
|
|
|
|
|
158
|
8 |
|
return $count > 0; |
|
159
|
|
|
} |
|
160
|
|
|
} |
terrylinooo /
simple-cache
Loading history...