Added APC storage

lib/APCStorage.php

@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * This file is part of the ICanBoogie package.
+ *
+ * (c) Olivier Laviale <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace ICanBoogie\Storage;
+
+/**
+ * A storage using APC.
+ */
+class APCStorage implements StorageInterface
+{
+	private $master_key;
+
+	public function __construct()
+	{
+		$this->master_key = md5($_SERVER['DOCUMENT_ROOT']);
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function store($key, $data, $ttl=0)
+	{
+		apc_store($this->master_key . $key, $data, $ttl);
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function retrieve($key)
+	{
+		$rc = apc_fetch($this->master_key . $key, $success);
+
+		return $success ? $rc : null;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function eliminate($key)
+	{
+		apc_delete($this->master_key . $key);
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function clear()
+	{
+		apc_clear_cache();
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function exists($key)
+	{
+		return apc_exists($this->master_key . $key);
+	}
+}