Cache/Backend.php
Zend 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
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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
Package: Zend_Cache\Zend_Cache_Backend
Returns
Throws
Details
- Children
- \Zend_Cache_Backend_BlackHole
- \Zend_Cache_Backend_WinCache
- \Zend_Cache_Backend_Memcached
- \Zend_Cache_Backend_ZendServer
- \Zend_Cache_Backend_ZendPlatform
- \Zend_Cache_Backend_Static
- \Zend_Cache_Backend_File
- \Zend_Cache_Backend_Test
- \Zend_Cache_Backend_Libmemcached
- \Zend_Cache_Backend_TwoLevels
- \Zend_Cache_Backend_Xcache
- \Zend_Cache_Backend_Apc
- \Zend_Cache_Backend_Sqlite
- Copyright
- Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
Properties
array $_directives = array('lifetime' => 3600, 'logging' => false, 'logger' => null)
Frontend or Core directives
=====> (int) lifetime :
- Cache lifetime (in seconds)
- If null, the cache is valid forever
=====> (int) logging :
- if set to true, a logging is activated throw Zend_Log
Default valuearray('lifetime' => 3600, 'logging' => false, 'logger' => null)
Details- Type
- array
Methods
__construct(array $options = array()) : void
Constructor
Parameters
Throws
Name | Type | Description |
---|---|---|
$options | array | Associative array of options |
Exception | Description |
---|---|
\Zend_Cache_Exception |
_isGoodTmpDir(string $dir) : boolean
Verify if the given temporary directory is readable and writable
Parameters
Returns
Name | Type | Description |
---|---|---|
$dir | string | temporary directory |
Type | Description |
---|---|
boolean | true if the directory is ok |
_log(string $message, $priority = 4) : void
Log a message at the WARN (4) priority.
Parameters
Throws
Name | Type | Description |
---|---|---|
$message | string | |
$priority |
Exception | Description |
---|---|
\Zend_Cache_Exception |
_loggerSanity() : void
Make sure if we enable logging that the Zend_Log class is available.
Create a default log object if none is set.
ThrowsException | Description |
---|---|
\Zend_Cache_Exception |
getLifetime(int $specificLifetime) : int
Get the life time
if $specificLifetime is not false, the given specific life time is used
else, the global lifetime is used
ParametersName | Type | Description |
---|---|---|
$specificLifetime | int |
Type | Description |
---|---|
int | Cache life time |
getOption(string $name) : mixed
Returns an option
Parameters
Returns
Throws
Name | Type | Description |
---|---|---|
$name | string | Optional, the options name to return |
Type | Description |
---|---|
mixed |
Exception | Description |
---|---|
\Zend_Cache_Exceptions |
getTmpDir() : string
Determine system TMP directory and detect if we have read access
inspired from Zend_File_Transfer_Adapter_Abstract
ReturnsType | Description |
---|---|
string |
Exception | Description |
---|---|
\Zend_Cache_Exception | if unable to determine directory |
isAutomaticCleaningAvailable() : boolean
Return true if the automatic cleaning is available for the backend
DEPRECATED : use getCapabilities() instead
ReturnsType | Description |
---|---|
boolean |
- Deprecated
setDirectives(array $directives) : void
Set the frontend directives
Parameters
Throws
Name | Type | Description |
---|---|---|
$directives | array | Assoc of directives |
Exception | Description |
---|---|
\Zend_Cache_Exception |
setOption(string $name, mixed $value) : void
Set an option
Parameters
Throws
Name | Type | Description |
---|---|---|
$name | string | |
$value | mixed |
Exception | Description |
---|---|
\Zend_Cache_Exception |