File Manager

<?php /** * Akeeba Engine * The modular PHP5 site backup engine * @copyright Copyright (c)2006-2015 Nicholas K. Dionysopoulos * @license GNU GPL version 3 or, at your option, any later version * @package akeebaengine * */ namespace Akeeba\Engine\Util\Log; // Protection against direct access defined('AKEEBAENGINE') or die(); /** * The interface for Akeeba Engine logger objects */ interface LogInterface { /** * Open a new log instance with the specified tag. If another log is already open it is closed before switching to * the new log tag. If the tag is null use the default log defined in the logging system. * * @param string|null $tag The log to open * * @return void */ public function open($tag = null); /** * Close the currently active log and set the current tag to null. * * @return void */ public function close(); /** * Reset (remove entries) of the log with the specified tag. * * @param string|null $tag The log to reset * * @return void */ public function reset($tag = null); /** * Add a message to the log * * @param string $level One of the Psr\Log\LogLevel constants * @param string $message The message to log * @param array $context Currently not used. Left here for PSR-3 compatibility. * * @return void */ public function log($level, $message, array $context = array()); /** * Temporarily pause log output. The log() method MUST respect this. * * @return void */ public function pause(); /** * Resume the previously paused log output. The log() method MUST respect this. * * @return void */ public function unpause(); /** * Returns the timestamp (in UNIX time long integer format) of the last log message written to the log with the * specific tag. The timestamp MUST be read from the log itself, not from the logger object. It is used by the * engine to find out the age of stalled backups which may have crashed. * * @param string|null $tag The log tag for which the last timestamp is returned * * @return int|null The timestamp of the last log message, in UNIX time. NULL if we can't get the timestamp. */ public function getLastTimestamp($tag = null); }