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CakePHP

C CakePHP 2.4 API

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Classes

  • ApcEngine
  • FileEngine
  • MemcacheEngine
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  • XcacheEngine

Class XcacheEngine

Xcache storage engine for cache

CacheEngine
Extended by XcacheEngine
Package: Cake\Cache\Engine
Link: Xcache
Copyright: Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
License: MIT License
Location: Cake/Cache/Engine/XcacheEngine.php

Properties summary

  • $settings public
    array
    Settings

Inherited Properties

  • _groupPrefix

Method Summary

  • _auth() protected

    Populates and reverses $_SERVER authentication values Makes necessary changes (and reverting them back) in $_SERVER

  • clear() public
    Delete all keys from the cache
  • clearGroup() public

    Increments the group value to simulate deletion of all keys under a group old values will remain in storage until they expire.

  • decrement() public

    Decrements the value of an integer cached key. If the cache key is not an integer it will be treated as 0

  • delete() public
    Delete a key from the cache
  • groups() public

    Returns the group value for each of the configured groups If the group initial value was not found, then it initializes the group accordingly.

  • increment() public

    Increments the value of an integer cached key If the cache key is not an integer it will be treated as 0

  • init() public
    Initialize the Cache Engine
  • read() public
    Read a key from the cache
  • write() public
    Write data for key into cache

Method Detail

_auth() protected ¶

_auth( boolean $reverse = false )

Populates and reverses $_SERVER authentication values Makes necessary changes (and reverting them back) in $_SERVER

This has to be done because xcache_clear_cache() needs to pass Basic Http Auth (see xcache.admin configuration settings)

Parameters
boolean $reverse optional false
Revert changes

clear() public ¶

clear( boolean $check )

Delete all keys from the cache

Parameters
boolean $check
Returns
boolean
True if the cache was successfully cleared, false otherwise

clearGroup() public ¶

clearGroup( string $group )

Increments the group value to simulate deletion of all keys under a group old values will remain in storage until they expire.

Parameters
string $group
$groups name of the group to be cleared
Returns
boolean
success
Overrides
CacheEngine::clearGroup()

decrement() public ¶

decrement( string $key , integer $offset = 1 )

Decrements the value of an integer cached key. If the cache key is not an integer it will be treated as 0

Parameters
string $key
Identifier for the data
integer $offset optional 1
How much to subtract
Returns
New
decremented value, false otherwise

delete() public ¶

delete( string $key )

Delete a key from the cache

Parameters
string $key
Identifier for the data
Returns
boolean
True if the value was successfully deleted, false if it didn't exist or couldn't be removed

groups() public ¶

groups( )

Returns the group value for each of the configured groups If the group initial value was not found, then it initializes the group accordingly.

Returns
array
Overrides
CacheEngine::groups()

increment() public ¶

increment( string $key , integer $offset = 1 )

Increments the value of an integer cached key If the cache key is not an integer it will be treated as 0

Parameters
string $key
Identifier for the data
integer $offset optional 1
How much to increment
Returns
New
incremented value, false otherwise

init() public ¶

init( array $settings = array() )

Initialize the Cache Engine

Called automatically by the cache frontend To reinitialize the settings call Cache::engine('EngineName', [optional] settings = array());

Parameters
array $settings optional array()
array of setting for the engine
Returns
boolean
True if the engine has been successfully initialized, false if not
Overrides
CacheEngine::init()

read() public ¶

read( string $key )

Read a key from the cache

Parameters
string $key
Identifier for the data
Returns
mixed
The cached data, or false if the data doesn't exist, has expired, or if there was an error fetching it

write() public ¶

write( string $key , mixed $value , integer $duration )

Write data for key into cache

Parameters
string $key
Identifier for the data
mixed $value
Data to be cached
integer $duration
How long to cache the data, in seconds
Returns
boolean
True if the data was successfully cached, false on failure

Methods inherited from CacheEngine

gc() public ¶

gc( integer $expires = null )

Garbage collection

Permanently remove all expired and deleted data

Parameters
integer $expires optional null
[optional] An expires timestamp, invalidating all data before.

key() public ¶

key( string $key )

Generates a safe key for use with cache engine storage engines.

Parameters
string $key
the key passed over
Returns
mixed
string $key or false

settings() public ¶

settings( )

Cache Engine settings

Returns
array
settings

Properties detail

$settings ¶

public array

Settings

  • PHP_AUTH_USER = xcache.admin.user, default cake
    • PHP_AUTH_PW = xcache.admin.password, default cake
array()
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