115 lines
2.8 KiB
PHP
115 lines
2.8 KiB
PHP
<?php
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// phpcs:disable PSR1.Classes.ClassDeclaration.MissingNamespace
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// phpcs:disable PSR1.Files.SideEffects
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defined('SYSPATH') or die('No direct access allowed.');
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// phpcs:enable PSR1.Files.SideEffects
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// phpcs:disable Squiz.Classes.ValidClassName.NotCamelCaps
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/**
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* Xcache Cache driver.
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*
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* $Id: Xcache.php 4046 2009-03-05 19:23:29Z Shadowhand $
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*
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* @package Cache
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class Cache_Xcache_Driver implements Cache_Driver
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{
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public function __construct()
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{
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if (! extension_loaded('xcache')) {
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throw new Kohana_Exception('cache.extension_not_loaded', 'xcache');
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}
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}
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public function get($id)
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{
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if (xcache_isset($id)) {
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return xcache_get($id);
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}
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return null;
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}
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public function set($id, $data, array $tags = null, $lifetime)
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{
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if (! empty($tags)) {
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Kohana::log('error', 'Cache: tags are unsupported by the Xcache driver');
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}
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return xcache_set($id, $data, $lifetime);
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}
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public function find($tag)
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{
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Kohana::log('error', 'Cache: tags are unsupported by the Xcache driver');
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return false;
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}
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public function delete($id, $tag = false)
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{
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if ($tag !== false) {
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Kohana::log('error', 'Cache: tags are unsupported by the Xcache driver');
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return true;
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} elseif ($id !== true) {
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if (xcache_isset($id)) {
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return xcache_unset($id);
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}
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return false;
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} else {
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// Do the login
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$this->auth();
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$result = true;
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for ($i = 0, $max = xcache_count(XC_TYPE_VAR); $i < $max; $i++) {
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if (xcache_clear_cache(XC_TYPE_VAR, $i) !== null) {
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$result = false;
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break;
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}
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}
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// Undo the login
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$this->auth(true);
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return $result;
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}
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return true;
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}
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public function delete_expired()
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{
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return true;
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}
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private function auth($reverse = false)
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{
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static $backup = array();
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$keys = array('PHP_AUTH_USER', 'PHP_AUTH_PW');
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foreach ($keys as $key) {
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if ($reverse) {
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if (isset($backup[$key])) {
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$_SERVER[$key] = $backup[$key];
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unset($backup[$key]);
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} else {
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unset($_SERVER[$key]);
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}
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} else {
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$value = getenv($key);
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if (! empty($value)) {
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$backup[$key] = $value;
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}
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$_SERVER[$key] = Kohana::config('cache_xcache.' . $key);
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}
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}
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}
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}
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// End Cache Xcache Driver
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