154 lines
2.6 KiB
PHP
154 lines
2.6 KiB
PHP
<?php
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/**
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* @brief Dummy Cache Class
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* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
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* @copyright (c) 2001 - SVN_YYYY Invision Power Services, Inc.
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* @license http://www.invisionpower.com/legal/standards/
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* @package IPS Social Suite
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* @since 17 Sept 2013
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* @version SVN_VERSION_NUMBER
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*/
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namespace IPS\Data\Cache;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* Dummy Storage Class
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*/
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class _None extends \IPS\Data\Cache
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{
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/**
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* Constructor
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*
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* @param array $configuration Configuration
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* @return void
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* @note Overridden for performance reasons
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*/
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public function __construct( $configuration )
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{
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}
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/**
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* Magic Method: Get
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*
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* @param string $key Key
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* @return string Value from the _datastore
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* @throws \OutOfRangeException
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* @note Overridden for performance reasons
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*/
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public function __get( $key )
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{
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throw new \OutOfRangeException;
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}
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/**
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* Magic Method: Set
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*
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* @param string $key Key
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* @param string $value Value
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* @return void
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* @note Overridden for performance reasons
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*/
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public function __set( $key, $value )
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{
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}
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/**
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* Magic Method: Isset
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*
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* @param string $key Key
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* @return bool
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* @note Overridden for performance reasons
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*/
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public function __isset( $key )
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{
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return FALSE;
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}
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/**
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* Magic Method: Unset
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*
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* @param string $key Key
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* @return void
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* @note Overridden for performance reasons
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*/
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public function __unset( $key )
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{
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}
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/**
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* Server supports this method?
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*
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* @return bool
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*/
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public static function supported()
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{
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return TRUE;
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}
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/**
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* Abstract Method: Get
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*
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* @param string $key Key
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* @return string Value from the _datastore
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*/
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protected function get( $key )
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{
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throw new \RuntimeException;
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}
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/**
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* Abstract Method: Set
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*
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* @param string $key Key
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* @param string $value Value
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* @return bool
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*/
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protected function set( $key, $value )
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{
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return FALSE;
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}
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/**
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* Abstract Method: Exists?
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*
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* @param string $key Key
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* @return bool
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*/
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protected function exists( $key )
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{
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return FALSE;
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}
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/**
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* Abstract Method: Delete
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*
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* @param string $key Key
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* @return bool
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*/
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protected function delete( $key )
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{
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return TRUE;
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}
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/**
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* Abstract Method: Clear All Caches
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*
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* @return void
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*/
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public function clearAll()
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{
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parent::clearAll();
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try
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{
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\IPS\Db::i()->delete( 'core_cache' );
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}
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catch ( \IPS\Db\Exception $e ){}
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}
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} |