Initial commit

lib/phpfastcache/phpFastCache/Drivers/apc.php

@@ -0,0 +1,137 @@
+<?php
+/**
+ *
+ * This file is part of phpFastCache.
+ *
+ * @license MIT License (MIT)
+ *
+ * For full copyright and license information, please see the docs/CREDITS.txt file.
+ *
+ * @author Khoa Bui (khoaofgod)  <khoaofgod@gmail.com> http://www.phpfastcache.com
+ * @author Georges.L (Geolim4)  <contact@geolim4.com>
+ *
+ */
+
+namespace phpFastCache\Drivers;
+
+use phpFastCache\Core\DriverAbstract;
+use phpFastCache\Exceptions\phpFastCacheDriverException;
+
+/**
+ * Class apc
+ * @package phpFastCache\Drivers
+ */
+class apc extends DriverAbstract
+{
+    /**
+     * phpFastCache_apc constructor.
+     * @param array $config
+     * @throws phpFastCacheDriverException
+     */
+    public function __construct($config = array())
+    {
+        $this->setup($config);
+
+        if (!$this->checkdriver()) {
+            throw new phpFastCacheDriverException('APC is not installed, cannot continue.');
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    public function checkdriver()
+    {
+        if (extension_loaded('apc') && ini_get('apc.enabled')) {
+            return true;
+        } else {
+            $this->fallback = true;
+            return false;
+        }
+    }
+
+    /**
+     * @param $keyword
+     * @param string $value
+     * @param int $time
+     * @param array $option
+     * @return array|bool
+     */
+    public function driver_set(
+      $keyword,
+      $value = '',
+      $time = 300,
+      $option = array()
+    ) {
+        if (isset($option[ 'skipExisting' ]) && $option[ 'skipExisting' ] == true) {
+            return apc_add($keyword, $value, $time);
+        } else {
+            return apc_store($keyword, $value, $time);
+        }
+    }
+
+    /**
+     * @param $keyword
+     * @param array $option
+     * @return mixed|null
+     */
+    public function driver_get($keyword, $option = array())
+    {
+        $data = apc_fetch($keyword, $bo);
+        if ($bo === false) {
+            return null;
+        }
+        return $data;
+
+    }
+
+    /**
+     * @param $keyword
+     * @param array $option
+     * @return bool|\string[]
+     */
+    public function driver_delete($keyword, $option = array())
+    {
+        return apc_delete($keyword);
+    }
+
+    /**
+     * @param array $option
+     * @return array
+     */
+    public function driver_stats($option = array())
+    {
+        $res = array(
+          'info' => '',
+          'size' => '',
+          'data' => '',
+        );
+
+        try {
+            $res[ 'data' ] = apc_cache_info('user');
+        } catch (\Exception $e) {
+            $res[ 'data' ] = array();
+        }
+
+        return $res;
+    }
+
+    /**
+     * @param array $option
+     * @return void
+     */
+    public function driver_clean($option = array())
+    {
+        @apc_clear_cache();
+        @apc_clear_cache('user');
+    }
+
+    /**
+     * @param $keyword
+     * @return bool
+     */
+    public function driver_isExisting($keyword)
+    {
+        return (bool) apc_exists($keyword);
+    }
+}