Docs For Class Zend_Cache_Backend

Description

copyright: Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
license: New BSD License

Located in /Cache/Backend/Interface.php (line 30)

Direct descendents

Class	Description
Zend_Cache_Backend_ExtendedInterface

Method Summary

boolean clean ([string $mode = Zend_Cache::CLEANING_MODE_ALL], [array $tags = array()])

string|false load (string $id, [boolean $doNotTestCacheValidity = false])

boolean remove (string $id)

boolean save (string $data, string $id, [array $tags = array()], [int $specificLifetime = false])

void setDirectives (array $directives)

mixed|false test (string $id)

Methods

clean (line 97)

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)

return: true if no problem
access: public

boolean clean ([string $mode = Zend_Cache::CLEANING_MODE_ALL], [array $tags = array()])

string $mode: Clean mode
array $tags: Array of tags

load (line 48)

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)

return: cached datas
access: public

string|false load (string $id, [boolean $doNotTestCacheValidity = false])

string $id: Cache id
boolean $doNotTestCacheValidity: If set to true, the cache validity won't be tested

remove (line 78)

Remove a cache record

return: True if no problem
access: public

boolean remove (string $id)

string $id: Cache id

save (line 70)

Save some string datas into a cache record

Note : $data is always "string" (serialization is done by the core not by the backend)

return: true if no problem
access: public

boolean save (string $data, string $id, [array $tags = array()], [int $specificLifetime = false])

string $data: Datas to cache
string $id: Cache id
array $tags: Array of strings, the cache record will be tagged by each string entry
int $specificLifetime: If != false, set a specific lifetime for this cache record (null => infinite lifetime)

setDirectives (line 37)

Set the frontend directives

access: public

void setDirectives (array $directives)

array $directives: assoc of directives

test (line 56)

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

return: (a cache is not available) or "last modified" timestamp (int) of the available cache record
access: public

mixed|false test (string $id)

string $id: cache id

Interface Zend_Cache_Backend_Interface