Cache/Backend/ExtendedInterface.php
Zend Framework
LICENSE
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- 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: ExtendedInterface.php 24593 2012-01-05 20:35:02Z matthew $
\Zend_Cache_Backend_ExtendedInterface
- Parent(s)
- Zend_Cache_Backend_Interface
- Copyright
- Copyright (c) 2005-2012 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)
| Type | Description |
|---|---|
| array | associative of with capabilities |

getFillingPercentage() : intReturn the filling percentage of the backend storage
| Type | Description |
|---|---|
| int | integer between 0 and 100 |

getIds() : arrayReturn an array of stored cache ids
| 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
| 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
| 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
| 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
| 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
| Type | Description |
|---|---|
| array | array of stored tags (string) |