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13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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>.
20 namespace Doctrine\Common\Cache;
25 * @link www.doctrine-project.org
27 * @author Benjamin Eberlei <kontakt@beberlei.de>
28 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
29 * @author Jonathan Wage <jonwage@gmail.com>
30 * @author Roman Borschel <roman@code-factory.org>
31 * @author David Abdemoulaie <dave@hobodave.com>
33 class ArrayCache extends CacheProvider
36 * @var array[] $data each element being a tuple of [$data, $expiration], where the expiration is int|bool
43 private $hitsCount = 0;
48 private $missesCount = 0;
58 public function __construct()
60 $this->upTime = time();
66 protected function doFetch($id)
68 if (! $this->doContains($id)) {
69 $this->missesCount += 1;
74 $this->hitsCount += 1;
76 return $this->data[$id][0];
82 protected function doContains($id)
84 if (! isset($this->data[$id])) {
88 $expiration = $this->data[$id][1];
90 if ($expiration && $expiration < time()) {
102 protected function doSave($id, $data, $lifeTime = 0)
104 $this->data[$id] = [$data, $lifeTime ? time() + $lifeTime : false];
112 protected function doDelete($id)
114 unset($this->data[$id]);
122 protected function doFlush()
132 protected function doGetStats()
135 Cache::STATS_HITS => $this->hitsCount,
136 Cache::STATS_MISSES => $this->missesCount,
137 Cache::STATS_UPTIME => $this->upTime,
138 Cache::STATS_MEMORY_USAGE => null,
139 Cache::STATS_MEMORY_AVAILABLE => null,