Cache/Backend/Xcache.php
Zend Framework
LICENSE
This source file is subject to the new BSD license that is bundled with this package in the file LICENSE.txt. It is also available through the world-wide-web at this URL: http://framework.zend.com/license/new-bsd If you did not receive a copy of the license and are unable to obtain it through the world-wide-web, please send an email to [email protected] so we can send you a copy immediately.
- Category
- Zend
- Copyright
- Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
- Package
- Zend_Cache
- Subpackage
- Zend_Cache_Backend
- Version
- $Id: Xcache.php 24593 2012-01-05 20:35:02Z matthew $
\Zend_Cache_Backend_Xcache
- Implements
- \Zend_Cache_Backend_Interface
- Parent(s)
- \Zend_Cache_Backend
- Copyright
- Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
Constants

TAGS_UNSUPPORTED_BY_CLEAN_OF_XCACHE_BACKEND
= 'Zend_Cache_Backend_Xcache::clean() : tags are unsupported by the Xcache backend'
Log message
Properties


array $_directives = array('lifetime' => 3600, 'logging' => false, 'logger' => null)
Frontend or Core directives
<p>directives</p>Inherited from: \Zend_Cache_Backend::$$_directives=====> (int) lifetime : - Cache lifetime (in seconds) - If null, the cache is valid forever
=====> (int) logging : - if set to true, a logging is activated throw Zend_Log
array('lifetime' => 3600, 'logging' => false, 'logger' => null)
Details- Type
- array
- Inherited_from
- \Zend_Cache_Backend::$$_directives


array $_options = array('user' => null, 'password' => null)
Available options
<p>available options</p>=====> (string) user : xcache.admin.user (necessary for the clean() method)
=====> (string) password : xcache.admin.pass (clear, not MD5) (necessary for the clean() method)
array('user' => null, 'password' => null)
Details- Type
- array
Methods


__construct(array $options = array()) : void
Constructor
Name | Type | Description |
---|---|---|
$options | array | associative array of options |
Exception | Description |
---|---|
\Zend_Cache_Exception |


_isGoodTmpDir(string $dir) : boolean
Verify if the given temporary directory is readable and writable
Inherited from: \Zend_Cache_Backend::_isGoodTmpDir()Name | Type | Description |
---|---|---|
$dir | string | temporary directory |
Type | Description |
---|---|
boolean | true if the directory is ok |


_log(string $message, $priority = 4) : void
Name | Type | Description |
---|---|---|
$message | string | |
$priority |
Exception | Description |
---|---|
\Zend_Cache_Exception |


_loggerSanity() : void
Make sure if we enable logging that the Zend_Log class is available.
Inherited from: \Zend_Cache_Backend::_loggerSanity()Create a default log object if none is set.
Exception | Description |
---|---|
\Zend_Cache_Exception |


clean(string $mode = \Zend_Cache::CLEANING_MODE_ALL, array $tags = array()) : boolean
Clean some cache records
Available modes are : 'all' (default) => remove all cache entries ($tags is not used) 'old' => unsupported 'matchingTag' => unsupported 'notMatchingTag' => unsupported 'matchingAnyTag' => unsupported
Name | Type | Description |
---|---|---|
$mode | string | clean mode |
$tags | array | array of tags |
Type | Description |
---|---|
boolean | true if no problem |
Exception | Description |
---|---|
\Zend_Cache_Exception |


getLifetime(int $specificLifetime) : int
if $specificLifetime is not false, the given specific life time is used else, the global lifetime is used
Name | Type | Description |
---|---|---|
$specificLifetime | int |
Type | Description |
---|---|
int | Cache life time |


getOption(string $name) : mixed
Name | Type | Description |
---|---|---|
$name | string | Optional, the options name to return |
Type | Description |
---|---|
mixed |
Exception | Description |
---|---|
\Zend_Cache_Exceptions |


getTmpDir() : string
Determine system TMP directory and detect if we have read access
Inherited from: \Zend_Cache_Backend::getTmpDir()inspired from Zend_File_Transfer_Adapter_Abstract
Type | Description |
---|---|
string |
Exception | Description |
---|---|
\Zend_Cache_Exception | if unable to determine directory |


isAutomaticCleaningAvailable() : boolean
Return true if the automatic cleaning is available for the backend
DEPRECATED : use getCapabilities() instead
Type | Description |
---|---|
boolean |


load(string $id, boolean $doNotTestCacheValidity = false) : string
Test if a cache is available for the given id and (if yes) return it (false else)
WARNING $doNotTestCacheValidity=true is unsupported by the Xcache backend
Name | Type | Description |
---|---|---|
$id | string | cache id |
$doNotTestCacheValidity | boolean | if set to true, the cache validity won't be tested |
Type | Description |
---|---|
string | cached datas (or false) |


remove(string $id) : boolean
Remove a cache record
Name | Type | Description |
---|---|---|
$id | string | cache id |
Type | Description |
---|---|
boolean | true if no problem |


save(string $data, string $id, array $tags = array(), int $specificLifetime = false) : boolean
Save some string datas into a cache record
Note : $data is always "string" (serialization is done by the core not by the backend)
Name | Type | Description |
---|---|---|
$data | string | datas to cache |
$id | string | cache id |
$tags | array | array of strings, the cache record will be tagged by each string entry |
$specificLifetime | int | if != false, set a specific lifetime for this cache record (null => infinite lifetime) |
Type | Description |
---|---|
boolean | true if no problem |


setDirectives(array $directives) : void
Name | Type | Description |
---|---|---|
$directives | array | assoc of directives |
Exception | Description |
---|---|
\Zend_Cache_Exception |


setOption(string $name, mixed $value) : void
Name | Type | Description |
---|---|---|
$name | string | |
$value | mixed |
Exception | Description |
---|---|
\Zend_Cache_Exception |