Invision Power Services, Inc. * @copyright (c) Invision Power Services, Inc. * @license https://www.invisioncommunity.com/legal/standards/ * @package Invision Community * @since 29 May 2015 */ namespace IPS\core\tasks; /* To prevent PHP errors (extending class does not exist) revealing path */ use IPS\Db; use IPS\Task; use IPS\Task\Exception; use function defined; use const IPS\STORE_METHOD; if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) ) { header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' ); exit; } /** * clearcache Task */ class clearcache extends Task { /** * Execute * * If ran successfully, should return anything worth logging. Only log something * worth mentioning (don't log "task ran successfully"). Return NULL (actual NULL, not '' or 0) to not log (which will be most cases). * 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. * Tasks should execute within the time of a normal HTTP request. * * @return mixed Message to log or NULL * @throws Exception */ public function execute() : mixed { /* 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 */ Db::i()->delete( 'core_cache', array( 'cache_expireselect( 'count(*)', 'core_store' )->first() ) { Db::i()->delete( 'core_store' ); } return NULL; } /** * Cleanup * * If your task takes longer than 15 minutes to run, this method * will be called before execute(). Use it to clean up anything which * may not have been done * * @return void */ public function cleanup() { } }