mirror of
https://github.com/silverstripe/silverstripe-framework
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414 lines
12 KiB
PHP
414 lines
12 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Cache
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* @subpackage Zend_Cache_Backend
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Test.php 23775 2011-03-01 17:25:24Z ralph $
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*/
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/**
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* @see Zend_Cache_Backend_Interface
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*/
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require_once 'Zend/Cache/Backend/ExtendedInterface.php';
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/**
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* @see Zend_Cache_Backend
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*/
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require_once 'Zend/Cache/Backend.php';
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/**
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* @package Zend_Cache
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* @subpackage Zend_Cache_Backend
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Cache_Backend_Test extends Zend_Cache_Backend implements Zend_Cache_Backend_ExtendedInterface
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{
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/**
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* Available options
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*
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* @var array available options
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*/
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protected $_options = array();
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/**
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* Frontend or Core directives
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*
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* @var array directives
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*/
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protected $_directives = array();
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/**
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* Array to log actions
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*
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* @var array $_log
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*/
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private $_log = array();
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/**
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* Current index for log array
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*
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* @var int $_index
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*/
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private $_index = 0;
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/**
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* Constructor
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*
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* @param array $options associative array of options
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* @return void
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*/
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public function __construct($options = array())
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{
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$this->_addLog('construct', array($options));
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}
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/**
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* Set the frontend directives
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*
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* @param array $directives assoc of directives
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* @return void
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*/
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public function setDirectives($directives)
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{
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$this->_addLog('setDirectives', array($directives));
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}
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/**
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* Test if a cache is available for the given id and (if yes) return it (false else)
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*
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* For this test backend only, if $id == 'false', then the method will return false
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* if $id == 'serialized', the method will return a serialized array
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* ('foo' else)
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*
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* @param string $id Cache id
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* @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested
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* @return string Cached datas (or false)
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*/
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public function load($id, $doNotTestCacheValidity = false)
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{
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$this->_addLog('get', array($id, $doNotTestCacheValidity));
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if ( $id == 'false'
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|| $id == 'd8523b3ee441006261eeffa5c3d3a0a7'
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|| $id == 'e83249ea22178277d5befc2c5e2e9ace'
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|| $id == '40f649b94977c0a6e76902e2a0b43587'
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|| $id == '88161989b73a4cbfd0b701c446115a99'
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|| $id == '205fc79cba24f0f0018eb92c7c8b3ba4'
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|| $id == '170720e35f38150b811f68a937fb042d')
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{
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return false;
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}
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if ($id=='serialized') {
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return serialize(array('foo'));
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}
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if ($id=='serialized2') {
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return serialize(array('headers' => array(), 'data' => 'foo'));
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}
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if ( $id == '71769f39054f75894288e397df04e445' || $id == '615d222619fb20b527168340cebd0578'
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|| $id == '8a02d218a5165c467e7a5747cc6bd4b6' || $id == '648aca1366211d17cbf48e65dc570bee'
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|| $id == '4a923ef02d7f997ca14d56dfeae25ea7') {
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return serialize(array('foo', 'bar'));
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}
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return 'foo';
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}
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/**
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* Test if a cache is available or not (for the given id)
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*
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* For this test backend only, if $id == 'false', then the method will return false
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* (123456 else)
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*
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* @param string $id Cache id
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* @return mixed|false false (a cache is not available) or "last modified" timestamp (int) of the available cache record
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*/
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public function test($id)
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{
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$this->_addLog('test', array($id));
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if ($id=='false') {
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return false;
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}
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if (($id=='3c439c922209e2cb0b54d6deffccd75a')) {
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return false;
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}
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return 123456;
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}
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/**
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* Save some string datas into a cache record
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*
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* For this test backend only, if $id == 'false', then the method will return false
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* (true else)
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*
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* @param string $data Datas to cache
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* @param string $id Cache id
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* @param array $tags Array of strings, the cache record will be tagged by each string entry
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* @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime)
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* @return boolean True if no problem
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*/
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public function save($data, $id, $tags = array(), $specificLifetime = false)
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{
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$this->_addLog('save', array($data, $id, $tags));
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if (substr($id,-5)=='false') {
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return false;
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}
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return true;
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}
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/**
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* Remove a cache record
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*
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* For this test backend only, if $id == 'false', then the method will return false
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* (true else)
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*
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* @param string $id Cache id
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* @return boolean True if no problem
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*/
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public function remove($id)
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{
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$this->_addLog('remove', array($id));
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if (substr($id,-5)=='false') {
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return false;
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}
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return true;
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}
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/**
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* Clean some cache records
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*
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* For this test backend only, if $mode == 'false', then the method will return false
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* (true else)
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*
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* Available modes are :
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* Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used)
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* Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used)
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* Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags
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* ($tags can be an array of strings or a single string)
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* Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags}
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* ($tags can be an array of strings or a single string)
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*
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* @param string $mode Clean mode
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* @param array $tags Array of tags
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* @return boolean True if no problem
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*/
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public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array())
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{
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$this->_addLog('clean', array($mode, $tags));
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if ($mode=='false') {
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return false;
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}
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return true;
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}
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/**
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* Get the last log
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*
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* @return string The last log
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*/
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public function getLastLog()
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{
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return $this->_log[$this->_index - 1];
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}
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/**
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* Get the log index
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*
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* @return int Log index
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*/
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public function getLogIndex()
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{
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return $this->_index;
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}
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/**
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* Get the complete log array
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*
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* @return array Complete log array
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*/
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public function getAllLogs()
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{
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return $this->_log;
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}
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/**
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* Return true if the automatic cleaning is available for the backend
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*
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* @return boolean
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*/
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public function isAutomaticCleaningAvailable()
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{
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return true;
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}
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/**
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* Return an array of stored cache ids
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*
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* @return array array of stored cache ids (string)
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*/
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public function getIds()
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{
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return array(
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'prefix_id1', 'prefix_id2'
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);
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}
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/**
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* Return an array of stored tags
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*
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* @return array array of stored tags (string)
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*/
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public function getTags()
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{
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return array(
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'tag1', 'tag2'
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);
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}
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/**
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* Return an array of stored cache ids which match given tags
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*
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* In case of multiple tags, a logical AND is made between tags
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*
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* @param array $tags array of tags
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* @return array array of matching cache ids (string)
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*/
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public function getIdsMatchingTags($tags = array())
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{
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if ($tags == array('tag1', 'tag2')) {
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return array('prefix_id1', 'prefix_id2');
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}
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return array();
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}
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/**
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* Return an array of stored cache ids which don't match given tags
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*
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* In case of multiple tags, a logical OR is made between tags
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*
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* @param array $tags array of tags
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* @return array array of not matching cache ids (string)
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*/
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public function getIdsNotMatchingTags($tags = array())
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{
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if ($tags == array('tag3', 'tag4')) {
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return array('prefix_id3', 'prefix_id4');
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}
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return array();
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}
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/**
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* Return an array of stored cache ids which match any given tags
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*
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* In case of multiple tags, a logical AND is made between tags
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*
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* @param array $tags array of tags
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* @return array array of any matching cache ids (string)
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*/
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public function getIdsMatchingAnyTags($tags = array())
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{
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if ($tags == array('tag5', 'tag6')) {
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return array('prefix_id5', 'prefix_id6');
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}
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return array();
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}
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/**
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* Return the filling percentage of the backend storage
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*
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* @return int integer between 0 and 100
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*/
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public function getFillingPercentage()
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{
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return 50;
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}
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/**
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* Return an array of metadatas for the given cache id
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*
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* The array must include these keys :
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* - expire : the expire timestamp
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* - tags : a string array of tags
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* - mtime : timestamp of last modification time
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*
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* @param string $id cache id
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* @return array array of metadatas (false if the cache id is not found)
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*/
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public function getMetadatas($id)
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{
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return false;
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}
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/**
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* Give (if possible) an extra lifetime to the given cache id
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*
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* @param string $id cache id
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* @param int $extraLifetime
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* @return boolean true if ok
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*/
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public function touch($id, $extraLifetime)
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{
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return true;
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}
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/**
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* Return an associative array of capabilities (booleans) of the backend
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*
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* The array must include these keys :
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* - automatic_cleaning (is automating cleaning necessary)
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* - tags (are tags supported)
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* - expired_read (is it possible to read expired cache records
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* (for doNotTestCacheValidity option for example))
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* - priority does the backend deal with priority when saving
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* - infinite_lifetime (is infinite lifetime can work with this backend)
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* - get_list (is it possible to get the list of cache ids and the complete list of tags)
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*
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* @return array associative of with capabilities
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*/
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public function getCapabilities()
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{
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return array(
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'automatic_cleaning' => true,
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'tags' => true,
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'expired_read' => false,
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'priority' => true,
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'infinite_lifetime' => true,
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'get_list' => true
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);
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}
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/**
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* Add an event to the log array
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*
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* @param string $methodName MethodName
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* @param array $args Arguments
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* @return void
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*/
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private function _addLog($methodName, $args)
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{
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$this->_log[$this->_index] = array(
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'methodName' => $methodName,
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'args' => $args
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);
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$this->_index = $this->_index + 1;
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}
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}
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