forked from vergnet/site-accueil-insa
95 lines
2.2 KiB
PHP
95 lines
2.2 KiB
PHP
<?php
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/**
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* Matomo - free/libre analytics platform
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*
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* @link https://matomo.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*
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*/
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namespace Piwik\DeviceDetector;
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use Piwik\Cache as PiwikCache;
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/**
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* Caching class used for DeviceDetector caching
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*
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* Combines Piwik\CacheFile with an additional caching in static property
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*
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* Static caching speeds up multiple detections in one request, which is the case when sending bulk requests
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*/
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class DeviceDetectorCache implements \DeviceDetector\Cache\CacheInterface
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{
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protected static $staticCache = array();
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private $cache;
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private $ttl;
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public function __construct($ttl = 300)
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{
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$this->ttl = (int) $ttl;
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$this->cache = PiwikCache::getLazyCache();
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}
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/**
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* Function to fetch a cache entry
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*
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* @param string $id The cache entry ID
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* @return array|bool False on error, or array the cache content
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*/
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public function fetch($id)
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{
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if (empty($id)) {
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return false;
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}
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if (array_key_exists($id, self::$staticCache)) {
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return self::$staticCache[$id];
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}
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if (!$this->cache->contains($id)) {
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return false;
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}
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return $this->cache->fetch($id);
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}
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/**
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* A function to store content a cache entry.
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*
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* @param string $id The cache entry ID
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* @param array $content The cache content
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* @throws \Exception
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* @return bool True if the entry was successfully stored
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*/
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public function save($id, $content, $ttl=0): bool
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{
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if (empty($id)) {
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return false;
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}
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self::$staticCache[$id] = $content;
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return (bool) $this->cache->save($id, $content, $this->ttl);
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}
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public function contains($id): bool
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{
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return !empty(self::$staticCache[$id]) && $this->cache->contains($id);
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}
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public function delete($id): bool
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{
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if (empty($id)) {
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return false;
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}
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unset(self::$staticCache[$id]);
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return (bool) $this->cache->delete($id);
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}
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public function flushAll(): bool
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{
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return (bool) $this->cache->flushAll();
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}
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}
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