MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / libs / objectcache / APCUBagOStuff.php

diff --git a/includes/libs/objectcache/APCUBagOStuff.php b/includes/libs/objectcache/APCUBagOStuff.php
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+++ b/includes/libs/objectcache/APCUBagOStuff.php
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+<?php
+/**
+ * Object caching using PHP's APCU accelerator.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Cache
+ */
+
+/**
+ * This is a wrapper for APCU's shared memory functions
+ *
+ * @ingroup Cache
+ */
+class APCUBagOStuff extends APCBagOStuff {
+       /**
+        * Available parameters are:
+        *   - nativeSerialize:     If true, pass objects to apcu_store(), and trust it
+        *                          to serialize them correctly. If false, serialize
+        *                          all values in PHP.
+        *
+        * @param array $params
+        */
+       public function __construct( array $params = [] ) {
+               parent::__construct( $params );
+       }
+
+       protected function doGet( $key, $flags = 0 ) {
+               return $this->getUnserialize(
+                       apcu_fetch( $key . self::KEY_SUFFIX )
+               );
+       }
+
+       public function set( $key, $value, $exptime = 0, $flags = 0 ) {
+               apcu_store(
+                       $key . self::KEY_SUFFIX,
+                       $this->setSerialize( $value ),
+                       $exptime
+               );
+
+               return true;
+       }
+
+       public function delete( $key ) {
+               apcu_delete( $key . self::KEY_SUFFIX );
+
+               return true;
+       }
+
+       public function incr( $key, $value = 1 ) {
+               /**
+                * @todo When we only support php 7 or higher remove this hack
+                *
+                * https://github.com/krakjoe/apcu/issues/166
+                */
+               if ( apcu_exists( $key . self::KEY_SUFFIX ) ) {
+                       return apcu_inc( $key . self::KEY_SUFFIX, $value );
+               } else {
+                       return false;
+               }
+       }
+
+       public function decr( $key, $value = 1 ) {
+               /**
+                * @todo When we only support php 7 or higher remove this hack
+                *
+                * https://github.com/krakjoe/apcu/issues/166
+                */
+               if ( apcu_exists( $key . self::KEY_SUFFIX ) ) {
+                       return apcu_dec( $key . self::KEY_SUFFIX, $value );
+               } else {
+                       return false;
+               }
+       }
+}