100 lines
2 KiB
PHP
100 lines
2 KiB
PHP
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<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
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namespace MailPoet\Doctrine;
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if (!defined('ABSPATH')) exit;
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use MailPoetVendor\Doctrine\Common\Cache\CacheProvider;
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/**
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* Array cache
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* Based on https://github.com/doctrine/cache/blob/1.11.x/lib/Doctrine/Common/Cache/ArrayCache.php
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* The cache implementation was removed from the doctrine/cache v2.0 so we need to provide own implementation.
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*/
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class ArrayCache extends CacheProvider {
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/** @var mixed[] */
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private $data = [];
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/** @var int */
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private $hitsCount = 0;
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/** @var int */
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private $missesCount = 0;
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/** @var int */
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private $upTime;
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/**
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* {@inheritdoc}
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*/
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public function __construct() {
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$this->upTime = time();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch($id) {
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if (!$this->doContains($id)) {
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$this->missesCount += 1;
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return false;
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}
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$this->hitsCount += 1;
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return $this->data[$id][0];
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}
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/**
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* {@inheritdoc}
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*/
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protected function doContains($id) {
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if (!isset($this->data[$id])) {
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return false;
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}
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$expiration = $this->data[$id][1];
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if ($expiration && $expiration < \time()) {
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$this->doDelete($id);
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return false;
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}
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave($id, $data, $lifeTime = 0) {
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$this->data[$id] = [$data, $lifeTime ? \time() + $lifeTime : false];
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDelete($id) {
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unset($this->data[$id]);
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFlush() {
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$this->data = [];
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doGetStats() {
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return [
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CacheProvider::STATS_HITS => $this->hitsCount,
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CacheProvider::STATS_MISSES => $this->missesCount,
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CacheProvider::STATS_UPTIME => $this->upTime,
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CacheProvider::STATS_MEMORY_USAGE => null,
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CacheProvider::STATS_MEMORY_AVAILABLE => null,
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];
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}
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}
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