Cache/Backend/ExtendedInterface.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_ExtendedInterface
Package: Zend_Cache\Zend_Cache_Backend
Returns
Returns
Returns
Returns
- Parent(s)
- \Zend_Cache_Backend_Interface
- Copyright
- Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
Methods
getCapabilities() : arrayReturn an associative array of capabilities (booleans) of the backend
The array must include these keys :
- automatic_cleaning (is automating cleaning necessary)
- tags (are tags supported)
- expired_read (is it possible to read expired cache records
(for doNotTestCacheValidity option for example))
- priority does the backend deal with priority when saving
- infinite_lifetime (is infinite lifetime can work with this backend)
- get_list (is it possible to get the list of cache ids and the complete list of tags)
Returns| Type | Description |
|---|---|
| array | associative of with capabilities |
getFillingPercentage() : intReturn the filling percentage of the backend storage
Returns
| Type | Description |
|---|---|
| int | integer between 0 and 100 |
getIds() : arrayReturn an array of stored cache ids
Returns
| Type | Description |
|---|---|
| array | array of stored cache ids (string) |
getIdsMatchingAnyTags(array $tags = array()) : arrayReturn an array of stored cache ids which match any given tags
In case of multiple tags, a logical AND is made between tags
Parameters| Name | Type | Description |
|---|---|---|
| $tags | array | array of tags |
| Type | Description |
|---|---|
| array | array of any matching cache ids (string) |
getIdsMatchingTags(array $tags = array()) : arrayReturn an array of stored cache ids which match given tags
In case of multiple tags, a logical AND is made between tags
Parameters| Name | Type | Description |
|---|---|---|
| $tags | array | array of tags |
| Type | Description |
|---|---|
| array | array of matching cache ids (string) |
getIdsNotMatchingTags(array $tags = array()) : arrayReturn an array of stored cache ids which don't match given tags
In case of multiple tags, a logical OR is made between tags
Parameters| Name | Type | Description |
|---|---|---|
| $tags | array | array of tags |
| Type | Description |
|---|---|
| array | array of not matching cache ids (string) |
getMetadatas(string $id) : arrayReturn an array of metadatas for the given cache id
The array must include these keys :
- expire : the expire timestamp
- tags : a string array of tags
- mtime : timestamp of last modification time
Parameters| Name | Type | Description |
|---|---|---|
| $id | string | cache id |
| Type | Description |
|---|---|
| array | array of metadatas (false if the cache id is not found) |
getTags() : arrayReturn an array of stored tags
Returns
| Type | Description |
|---|---|
| array | array of stored tags (string) |
touch(string $id, int $extraLifetime) : booleanGive (if possible) an extra lifetime to the given cache id
Parameters
Returns
| Name | Type | Description |
|---|---|---|
| $id | string | cache id |
| $extraLifetime | int |
| Type | Description |
|---|---|
| boolean | true if ok |