/usr/share/php/Symfony/Component/Cache/Traits/ApcuTrait.php is in php-symfony-cache 3.4.6+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | <?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Cache\Traits;
use Symfony\Component\Cache\CacheItem;
use Symfony\Component\Cache\Exception\CacheException;
/**
* @author Nicolas Grekas <p@tchwork.com>
*
* @internal
*/
trait ApcuTrait
{
public static function isSupported()
{
return function_exists('apcu_fetch') && ini_get('apc.enabled');
}
private function init($namespace, $defaultLifetime, $version)
{
if (!static::isSupported()) {
throw new CacheException('APCu is not enabled');
}
if ('cli' === PHP_SAPI) {
ini_set('apc.use_request_time', 0);
}
parent::__construct($namespace, $defaultLifetime);
if (null !== $version) {
CacheItem::validateKey($version);
if (!apcu_exists($version.'@'.$namespace)) {
$this->doClear($namespace);
apcu_add($version.'@'.$namespace, null);
}
}
}
/**
* {@inheritdoc}
*/
protected function doFetch(array $ids)
{
try {
foreach (apcu_fetch($ids, $ok) ?: array() as $k => $v) {
if (null !== $v || $ok) {
yield $k => $v;
}
}
} catch (\Error $e) {
throw new \ErrorException($e->getMessage(), $e->getCode(), E_ERROR, $e->getFile(), $e->getLine());
}
}
/**
* {@inheritdoc}
*/
protected function doHave($id)
{
return apcu_exists($id);
}
/**
* {@inheritdoc}
*/
protected function doClear($namespace)
{
return isset($namespace[0]) && class_exists('APCuIterator', false) && ('cli' !== PHP_SAPI || ini_get('apc.enable_cli'))
? apcu_delete(new \APCuIterator(sprintf('/^%s/', preg_quote($namespace, '/')), APC_ITER_KEY))
: apcu_clear_cache();
}
/**
* {@inheritdoc}
*/
protected function doDelete(array $ids)
{
foreach ($ids as $id) {
apcu_delete($id);
}
return true;
}
/**
* {@inheritdoc}
*/
protected function doSave(array $values, $lifetime)
{
try {
if (false === $failures = apcu_store($values, null, $lifetime)) {
$failures = $values;
}
return array_keys($failures);
} catch (\Error $e) {
} catch (\Exception $e) {
}
if (1 === count($values)) {
// Workaround https://github.com/krakjoe/apcu/issues/170
apcu_delete(key($values));
}
throw $e;
}
}
|