Initial commit

lib/phpfastcache/phpFastCache/Drivers/xcache.php

@@ -0,0 +1,141 @@
+<?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 Exception;
+
+/**
+ * Class xcache
+ * @package phpFastCache\Drivers
+ */
+class xcache extends DriverAbstract
+{
+
+    /**
+     * phpFastCache_xcache constructor.
+     * @param array $config
+     */
+    public function __construct($config = array())
+    {
+        $this->setup($config);
+        if (!$this->checkdriver() && !isset($config[ 'skipError' ])) {
+            $this->fallback = true;
+        }
+
+    }
+
+    /**
+     * @return bool
+     */
+    public function checkdriver()
+    {
+        // Check xcache
+        if (extension_loaded('xcache') && function_exists('xcache_get')) {
+            return true;
+        }
+        $this->fallback = true;
+        return false;
+
+    }
+
+    /**
+     * @param $keyword
+     * @param string $value
+     * @param int $time
+     * @param array $option
+     * @return bool
+     */
+    public function driver_set($keyword, $value = "", $time = 300, $option = array())
+    {
+
+        if (isset($option[ 'skipExisting' ]) && $option[ 'skipExisting' ] == true) {
+            if (!$this->isExisting($keyword)) {
+                return xcache_set($keyword, serialize($value), $time);
+            }
+        } else {
+            return xcache_set($keyword, serialize($value), $time);
+        }
+        return false;
+    }
+
+    /**
+     * @param $keyword
+     * @param array $option
+     * @return mixed|null
+     */
+    public function driver_get($keyword, $option = array())
+    {
+        // return null if no caching
+        // return value if in caching
+        $data = unserialize(xcache_get($keyword));
+        if ($data === false || $data == '') {
+            return null;
+        }
+        return $data;
+    }
+
+    /**
+     * @param $keyword
+     * @param array $option
+     * @return bool
+     */
+    public function driver_delete($keyword, $option = array())
+    {
+        return xcache_unset($keyword);
+    }
+
+    /**
+     * @param array $option
+     * @return array
+     */
+    public function driver_stats($option = array())
+    {
+        $res = array(
+          'info' => '',
+          'size' => '',
+          'data' => '',
+        );
+
+        try {
+            $res[ 'data' ] = xcache_list(XC_TYPE_VAR, 100);
+        } catch (Exception $e) {
+            $res[ 'data' ] = array();
+        }
+        return $res;
+    }
+
+    /**
+     * @param array $option
+     * @return bool
+     */
+    public function driver_clean($option = array())
+    {
+        $cnt = xcache_count(XC_TYPE_VAR);
+        for ($i = 0; $i < $cnt; $i++) {
+            xcache_clear_cache(XC_TYPE_VAR, $i);
+        }
+        return true;
+    }
+
+    /**
+     * @param $keyword
+     * @return bool
+     */
+    public function driver_isExisting($keyword)
+    {
+        return xcache_isset($keyword);
+    }
+}