comparison vendor/doctrine/cache/lib/Doctrine/Common/Cache/FilesystemCache.php @ 0:c75dbcec494b

Initial commit from drush-created site
author Chris Cannam
date Thu, 05 Jul 2018 14:24:15 +0000
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-1:000000000000 0:c75dbcec494b
1 <?php
2 /*
3 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
4 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
5 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
6 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
7 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
8 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
9 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
14 *
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license. For more information, see
17 * <http://www.doctrine-project.org>.
18 */
19
20 namespace Doctrine\Common\Cache;
21
22 /**
23 * Filesystem cache driver.
24 *
25 * @since 2.3
26 * @author Fabio B. Silva <fabio.bat.silva@gmail.com>
27 */
28 class FilesystemCache extends FileCache
29 {
30 const EXTENSION = '.doctrinecache.data';
31
32 /**
33 * {@inheritdoc}
34 */
35 public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
36 {
37 parent::__construct($directory, $extension, $umask);
38 }
39
40 /**
41 * {@inheritdoc}
42 */
43 protected function doFetch($id)
44 {
45 $data = '';
46 $lifetime = -1;
47 $filename = $this->getFilename($id);
48
49 if ( ! is_file($filename)) {
50 return false;
51 }
52
53 $resource = fopen($filename, "r");
54
55 if (false !== ($line = fgets($resource))) {
56 $lifetime = (int) $line;
57 }
58
59 if ($lifetime !== 0 && $lifetime < time()) {
60 fclose($resource);
61
62 return false;
63 }
64
65 while (false !== ($line = fgets($resource))) {
66 $data .= $line;
67 }
68
69 fclose($resource);
70
71 return unserialize($data);
72 }
73
74 /**
75 * {@inheritdoc}
76 */
77 protected function doContains($id)
78 {
79 $lifetime = -1;
80 $filename = $this->getFilename($id);
81
82 if ( ! is_file($filename)) {
83 return false;
84 }
85
86 $resource = fopen($filename, "r");
87
88 if (false !== ($line = fgets($resource))) {
89 $lifetime = (int) $line;
90 }
91
92 fclose($resource);
93
94 return $lifetime === 0 || $lifetime > time();
95 }
96
97 /**
98 * {@inheritdoc}
99 */
100 protected function doSave($id, $data, $lifeTime = 0)
101 {
102 if ($lifeTime > 0) {
103 $lifeTime = time() + $lifeTime;
104 }
105
106 $data = serialize($data);
107 $filename = $this->getFilename($id);
108
109 return $this->writeFile($filename, $lifeTime . PHP_EOL . $data);
110 }
111 }