Cache/Backend/Static.php

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Category
Zend  
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  
Package
Zend_Cache  
Subpackage
Zend_Cache_Backend  
Version
$Id$  

\Zend_Cache_Backend_Static

Package: Zend_Cache\Zend_Cache_Backend
Implements
Parent(s)
\Zend_Cache_Backend
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  

Constants

>VConstant  INNER_CACHE_NAME = 'zend_cache_backend_static_tagcache'

Properties

Methods

methodpublicclean(string $mode = \Zend_Cache::CLEANING_MODE_ALL, array $tags = array()) : boolean

Clean some cache records

Available modes are : Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags ($tags can be an array of strings or a single string) Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} ($tags can be an array of strings or a single string) Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags ($tags can be an array of strings or a single string)
Parameters
NameTypeDescription
$modestring

Clean mode

$tagsarray

Array of tags

Returns
TypeDescription
booleantrue if no problem
methodpublicgetInnerCache() : \Zend_Cache_Core

Get the Inner Cache if set

Returns
TypeDescription
\Zend_Cache_Core
methodpublicgetOption(string $name) : mixed

Retrieve any option via interception of the parent's statically held options including the local option for a tag cache.

Parameters
NameTypeDescription
$namestring
Returns
TypeDescription
mixed
methodpublicload(string $id, boolean $doNotTestCacheValidity = false) : string | false

Test if a cache is available for the given id and (if yes) return it (false else)

Note : return value is always "string" (unserialization is done by the core not by the backend)
Parameters
NameTypeDescription
$idstring

Cache id

$doNotTestCacheValidityboolean

If set to true, the cache validity won't be tested

Returns
TypeDescription
string | falsecached datas
methodpublicremove(string $id) : boolean

Remove a cache record

Parameters
NameTypeDescription
$idstring

Cache id

Returns
TypeDescription
booleanTrue if no problem
methodpublicremoveRecursively(string $id) : boolean

Remove a cache record recursively for the given directory matching a REQUEST_URI based relative path (deletes the actual file matching this in addition to the matching directory)

Parameters
NameTypeDescription
$idstring

Cache id

Returns
TypeDescription
booleanTrue if no problem
methodpublicsave(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)
Parameters
NameTypeDescription
$datastring

Datas to cache

$idstring

Cache id

$tagsarray

Array of strings, the cache record will be tagged by each string entry

$specificLifetimeint

If != false, set a specific lifetime for this cache record (null => infinite lifetime)

Returns
TypeDescription
booleantrue if no problem
methodpublicsetInnerCache( $cache) : void

Set an Inner Cache, used here primarily to store Tags associated with caches created by this backend. Note: If Tags are lost, the cache should be completely cleaned as the mapping of tags to caches will have been irrevocably lost.

Parameters
NameTypeDescription
$cache
methodpublicsetOption(string $name, mixed $value) : \Zend_Cache_Backend_Static

Interceptor child method to handle the case where an Inner Cache object is being set since it's not supported by the standard backend interface

Parameters
NameTypeDescription
$namestring
$valuemixed
Returns
TypeDescription
\Zend_Cache_Backend_Static
methodpublictest(string $id) : bool

Test if a cache is available or not (for the given id)

Parameters
NameTypeDescription
$idstring

cache id

Returns
TypeDescription
bool
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