Version 4.0.13.1

system/Data/Cache/None.php

@@ -0,0 +1,153 @@
+<?php
+/**
+ * @brief		Dummy Cache Class
+ * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) 2001 - SVN_YYYY Invision Power Services, Inc.
+ * @license		http://www.invisionpower.com/legal/standards/
+ * @package		IPS Social Suite
+ * @since		17 Sept 2013
+ * @version		SVN_VERSION_NUMBER
+ */
+
+namespace IPS\Data\Cache;
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
+	exit;
+}
+
+/**
+ * Dummy Storage Class
+ */
+class _None extends \IPS\Data\Cache
+{
+	/**
+	 * Constructor
+	 *
+	 * @param	array	$configuration	Configuration
+	 * @return	void
+	 * @note	Overridden for performance reasons
+	 */
+	public function __construct( $configuration )
+	{
+	}
+
+	/**
+	 * Magic Method: Get
+	 *
+	 * @param	string	$key	Key
+	 * @return	string	Value from the _datastore
+	 * @throws	\OutOfRangeException
+	 * @note	Overridden for performance reasons
+	 */
+	public function __get( $key )
+	{
+		throw new \OutOfRangeException;
+	}
+
+	/**
+	 * Magic Method: Set
+	 *
+	 * @param	string	$key	Key
+	 * @param	string	$value	Value
+	 * @return	void
+	 * @note	Overridden for performance reasons
+	 */
+	public function __set( $key, $value )
+	{
+	}
+
+	/**
+	 * Magic Method: Isset
+	 *
+	 * @param	string	$key	Key
+	 * @return	bool
+	 * @note	Overridden for performance reasons
+	 */
+	public function __isset( $key )
+	{
+		return FALSE;
+	}
+
+	/**
+	 * Magic Method: Unset
+	 *
+	 * @param	string	$key	Key
+	 * @return	void
+	 * @note	Overridden for performance reasons
+	 */
+	public function __unset( $key )
+	{
+	}
+
+	/**
+	 * Server supports this method?
+	 *
+	 * @return	bool
+	 */
+	public static function supported()
+	{
+		return TRUE;
+	}
+	
+	/**
+	 * Abstract Method: Get
+	 *
+	 * @param	string	$key	Key
+	 * @return	string	Value from the _datastore
+	 */
+	protected function get( $key )
+	{
+		throw new \RuntimeException;
+	}
+	
+	/**
+	 * Abstract Method: Set
+	 *
+	 * @param	string	$key	Key
+	 * @param	string	$value	Value
+	 * @return	bool
+	 */
+	protected function set( $key, $value )
+	{
+		return FALSE;
+	}
+	
+	/**
+	 * Abstract Method: Exists?
+	 *
+	 * @param	string	$key	Key
+	 * @return	bool
+	 */
+	protected function exists( $key )
+	{
+		return FALSE;
+	}
+	
+	/**
+	 * Abstract Method: Delete
+	 *
+	 * @param	string	$key	Key
+	 * @return	bool
+	 */
+	protected function delete( $key )
+	{
+		return TRUE;
+	}
+	
+	/**
+	 * Abstract Method: Clear All Caches
+	 *
+	 * @return	void
+	 */
+	public function clearAll()
+	{
+		try
+		{
+			\IPS\Db::i()->delete( 'core_cache' );
+		}
+		catch ( \IPS\Db\Exception $e ){}
+	}
+}