Cache/Backend/Interface.php
Show:
inherited
inheritedZend 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) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
- Package
- Zend_Cache
- Subpackage
- Zend_Cache_Backend
- Version
- $Id$
\Zend_Cache_Backend_Interface
Package: Zend_Cache\Zend_Cache_Backend
Returns
Returns
Returns
- Children
- \Zend_Cache_Backend_ExtendedInterface
- Copyright
- Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
Methods
clean(string $mode = \Zend_Cache::CLEANING_MODE_ALL, array $tags = array()) : booleanClean some cache records
Available modes are :
Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($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| Name | Type | Description |
|---|---|---|
| $mode | string | Clean mode |
| $tags | array | Array of tags |
| Type | Description |
|---|---|
| boolean | true if no problem |
load(string $id, boolean $doNotTestCacheValidity = false) : string | falseTest 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| Name | Type | Description |
|---|---|---|
| $id | string | Cache id |
| $doNotTestCacheValidity | boolean | If set to true, the cache validity won't be tested |
| Type | Description |
|---|---|
| string | false | cached datas |
remove(string $id) : booleanRemove a cache record
Parameters
Returns
| 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) : booleanSave some string datas into a cache record
Note : $data is always "string" (serialization is done by the
core not by the backend)
Parameters| 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) : voidSet the frontend directives
Parameters
| Name | Type | Description |
|---|---|---|
| $directives | array | assoc of directives |
test(string $id) : mixed | falseTest if a cache is available or not (for the given id)
Parameters
Returns
| Name | Type | Description |
|---|---|---|
| $id | string | cache id |
| Type | Description |
|---|---|
| mixed | false | (a cache is not available) or "last modified" timestamp (int) of the available cache record |