70 lines
2.0 KiB
PHP
70 lines
2.0 KiB
PHP
<?php
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/**
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* @brief clearcache Task
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @since 29 May 2015
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*/
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namespace IPS\core\tasks;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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use IPS\Db;
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use IPS\Task;
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use IPS\Task\Exception;
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use function defined;
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use const IPS\STORE_METHOD;
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( $_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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* clearcache Task
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*/
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class clearcache extends Task
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{
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/**
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* Execute
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*
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* If ran successfully, should return anything worth logging. Only log something
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* worth mentioning (don't log "task ran successfully"). Return NULL (actual NULL, not '' or 0) to not log (which will be most cases).
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* If an error occurs which means the task could not finish running, throw an \IPS\Task\Exception - do not log an error as a normal log.
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* Tasks should execute within the time of a normal HTTP request.
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*
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* @return mixed Message to log or NULL
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* @throws Exception
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*/
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public function execute() : mixed
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{
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/* Note: We previously disabled the task if the caching method was disabled however this lead to people re-enabling through a constants edit which would not re-enabled the task */
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Db::i()->delete( 'core_cache', array( 'cache_expire<?', time() ) );
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/* If we are using Redis, ensure that core_store is empty. We may have switched over to Redis from MySQL and if we switch back, we do not want stale data being used */
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if ( STORE_METHOD !== 'Database' AND Db::i()->select( 'count(*)', 'core_store' )->first() )
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{
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Db::i()->delete( 'core_store' );
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}
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return NULL;
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}
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/**
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* Cleanup
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*
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* If your task takes longer than 15 minutes to run, this method
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* will be called before execute(). Use it to clean up anything which
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* may not have been done
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*
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* @return void
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*/
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public function cleanup()
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{
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}
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} |