first commit

vendor/doctrine/cache/lib/Doctrine/Common/Cache/ApcuCache.php

@@ -0,0 +1,106 @@
+<?php
+
+namespace Doctrine\Common\Cache;
+
+use function apcu_cache_info;
+use function apcu_clear_cache;
+use function apcu_delete;
+use function apcu_exists;
+use function apcu_fetch;
+use function apcu_sma_info;
+use function apcu_store;
+use function count;
+
+/**
+ * APCu cache provider.
+ *
+ * @link   www.doctrine-project.org
+ */
+class ApcuCache extends CacheProvider
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetch($id)
+    {
+        return apcu_fetch($id);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doContains($id)
+    {
+        return apcu_exists($id);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSave($id, $data, $lifeTime = 0)
+    {
+        return apcu_store($id, $data, $lifeTime);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doDelete($id)
+    {
+        // apcu_delete returns false if the id does not exist
+        return apcu_delete($id) || ! apcu_exists($id);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doDeleteMultiple(array $keys)
+    {
+        $result = apcu_delete($keys);
+
+        return $result !== false && count($result) !== count($keys);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFlush()
+    {
+        return apcu_clear_cache();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetchMultiple(array $keys)
+    {
+        return apcu_fetch($keys) ?: [];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
+    {
+        $result = apcu_store($keysAndValues, null, $lifetime);
+
+        return empty($result);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doGetStats()
+    {
+        $info = apcu_cache_info(true);
+        $sma  = apcu_sma_info();
+
+        return [
+            Cache::STATS_HITS             => $info['num_hits'],
+            Cache::STATS_MISSES           => $info['num_misses'],
+            Cache::STATS_UPTIME           => $info['start_time'],
+            Cache::STATS_MEMORY_USAGE     => $info['mem_size'],
+            Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'],
+        ];
+    }
+}