mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 03:18:26 +00:00
485 lines
12 KiB
PHP
485 lines
12 KiB
PHP
<?php
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/**
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* Logging.
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*
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* Log messages to text files.
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*
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Log
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* @since CakePHP(tm) v 0.2.9
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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/**
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* Set up error level constants to be used within the framework if they are not defined within the
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* system.
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*
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*/
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if (!defined('LOG_EMERG')) {
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define('LOG_EMERG', 0);
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}
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if (!defined('LOG_ALERT')) {
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define('LOG_ALERT', 1);
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}
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if (!defined('LOG_CRIT')) {
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define('LOG_CRIT', 2);
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}
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if (!defined('LOG_ERR')) {
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define('LOG_ERR', 3);
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}
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if (!defined('LOG_ERROR')) {
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define('LOG_ERROR', LOG_ERR);
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}
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if (!defined('LOG_WARNING')) {
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define('LOG_WARNING', 4);
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}
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if (!defined('LOG_NOTICE')) {
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define('LOG_NOTICE', 5);
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}
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if (!defined('LOG_INFO')) {
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define('LOG_INFO', 6);
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}
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if (!defined('LOG_DEBUG')) {
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define('LOG_DEBUG', 7);
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}
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App::uses('LogEngineCollection', 'Log');
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/**
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* Logs messages to configured Log adapters. One or more adapters can be configured
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* using CakeLogs's methods. If you don't configure any adapters, and write to the logs
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* a default FileLog will be autoconfigured for you.
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*
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* ### Configuring Log adapters
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*
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* You can configure log adapters in your applications `bootstrap.php` file. A sample configuration
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* would look like:
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*
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* `CakeLog::config('my_log', array('engine' => 'FileLog'));`
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*
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* See the documentation on CakeLog::config() for more detail.
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*
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* ### Writing to the log
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*
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* You write to the logs using CakeLog::write(). See its documentation for more information.
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*
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* @package Cake.Log
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*/
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class CakeLog {
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/**
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* LogEngineCollection class
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*
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* @var LogEngineCollection
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*/
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protected static $_Collection;
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/**
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* Default log levels as detailed in RFC 5424
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* http://tools.ietf.org/html/rfc5424
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*/
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protected static $_defaultLevels = array(
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LOG_EMERG => 'emergency',
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LOG_ALERT => 'alert',
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LOG_CRIT => 'critical',
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LOG_ERR => 'error',
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LOG_WARNING => 'warning',
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LOG_NOTICE => 'notice',
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LOG_INFO => 'info',
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LOG_DEBUG => 'debug',
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);
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/**
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* Active log levels for this instance.
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*/
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protected static $_levels;
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/**
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* Mapped log levels
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*/
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protected static $_levelMap;
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/**
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* initialize ObjectCollection
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*
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* @return void
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*/
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protected static function _init() {
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self::$_levels = self::defaultLevels();
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self::$_Collection = new LogEngineCollection();
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}
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/**
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* Configure and add a new logging stream to CakeLog
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* You can use add loggers from app/Log/Engine use app.loggername, or any plugin/Log/Engine using plugin.loggername.
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*
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* ### Usage:
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*
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* {{{
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* CakeLog::config('second_file', array(
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* 'engine' => 'FileLog',
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* 'path' => '/var/logs/my_app/'
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* ));
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* }}}
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*
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* Will configure a FileLog instance to use the specified path. All options that are not `engine`
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* are passed onto the logging adapter, and handled there. Any class can be configured as a logging
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* adapter as long as it implements the methods in CakeLogInterface.
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*
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* @param string $key The keyname for this logger, used to remove the logger later.
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* @param array $config Array of configuration information for the logger
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* @return boolean success of configuration.
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* @throws CakeLogException
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*/
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public static function config($key, $config) {
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if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/', $key)) {
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throw new CakeLogException(__d('cake_dev', 'Invalid key name'));
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}
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if (empty($config['engine'])) {
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throw new CakeLogException(__d('cake_dev', 'Missing logger classname'));
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}
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if (empty(self::$_Collection)) {
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self::_init();
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}
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self::$_Collection->load($key, $config);
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return true;
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}
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/**
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* Returns the keynames of the currently active streams
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*
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* @return array Array of configured log streams.
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*/
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public static function configured() {
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if (empty(self::$_Collection)) {
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self::_init();
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}
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return self::$_Collection->attached();
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}
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/**
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* Gets/sets log levels
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*
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* Call this method without arguments, eg: `CakeLog::levels()` to obtain current
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* level configuration.
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*
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* To append additional level 'user0' and 'user1' to to default log levels:
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*
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* `CakeLog::levels(array('user0, 'user1'))` or
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* `CakeLog::levels(array('user0, 'user1'), true)`
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*
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* will result in:
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*
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* array(
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* 0 => 'emergency',
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* 1 => 'alert',
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* ...
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* 8 => 'user0',
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* 9 => 'user1',
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* );
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*
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* To set/replace existing configuration, pass an array with the second argument
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* set to false.
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*
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* `CakeLog::levels(array('user0, 'user1'), false);
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*
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* will result in:
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* array(
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* 0 => 'user0',
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* 1 => 'user1',
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* );
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*
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* @param mixed $levels array
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* @param bool $append true to append, false to replace
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* @return array active log levels
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*/
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public static function levels($levels = array(), $append = true) {
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if (empty(self::$_Collection)) {
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self::_init();
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}
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if (empty($levels)) {
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return self::$_levels;
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}
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$levels = array_values($levels);
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if ($append) {
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self::$_levels = array_merge(self::$_levels, $levels);
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} else {
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self::$_levels = $levels;
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}
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self::$_levelMap = array_flip(self::$_levels);
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return self::$_levels;
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}
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/**
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* Reset log levels to the original value
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*
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* @return array default log levels
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*/
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public static function defaultLevels() {
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self::$_levels = self::$_defaultLevels;
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self::$_levelMap = array_flip(self::$_levels);
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return self::$_levels;
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}
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/**
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* Removes a stream from the active streams. Once a stream has been removed
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* it will no longer have messages sent to it.
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*
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* @param string $streamName Key name of a configured stream to remove.
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* @return void
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*/
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public static function drop($streamName) {
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if (empty(self::$_Collection)) {
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self::_init();
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}
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self::$_Collection->unload($streamName);
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}
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/**
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* Checks wether $streamName is enabled
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*
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* @param string $streamName to check
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* @return bool
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* @throws CakeLogException
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*/
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public static function enabled($streamName) {
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if (empty(self::$_Collection)) {
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self::_init();
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}
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if (!isset(self::$_Collection->{$streamName})) {
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throw new CakeLogException(__d('cake_dev', 'Stream %s not found', $streamName));
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}
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return self::$_Collection->enabled($streamName);
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}
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/**
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* Enable stream
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*
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* @param string $streamName to enable
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* @return void
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* @throws CakeLogException
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*/
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public static function enable($streamName) {
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if (empty(self::$_Collection)) {
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self::_init();
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}
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if (!isset(self::$_Collection->{$streamName})) {
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throw new CakeLogException(__d('cake_dev', 'Stream %s not found', $streamName));
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}
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self::$_Collection->enable($streamName);
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}
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/**
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* Disable stream
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*
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* @param string $streamName to disable
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* @return void
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* @throws CakeLogException
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*/
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public static function disable($streamName) {
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if (empty(self::$_Collection)) {
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self::_init();
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}
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if (!isset(self::$_Collection->{$streamName})) {
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throw new CakeLogException(__d('cake_dev', 'Stream %s not found', $streamName));
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}
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self::$_Collection->disable($streamName);
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}
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/**
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* Gets the logging engine from the active streams.
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*
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* @see BaseLog
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* @param string $streamName Key name of a configured stream to get.
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* @return $mixed instance of BaseLog or false if not found
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*/
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public static function stream($streamName) {
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if (empty(self::$_Collection)) {
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self::_init();
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}
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if (!empty(self::$_Collection->{$streamName})) {
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return self::$_Collection->{$streamName};
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}
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return false;
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}
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/**
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* Configures the automatic/default stream a FileLog.
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*
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* @return void
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*/
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protected static function _autoConfig() {
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self::$_Collection->load('error', array(
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'engine' => 'FileLog',
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'types' => array('warning', 'error', 'critical', 'alert', 'emergency'),
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'path' => LOGS,
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));
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}
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/**
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* Writes the given message and type to all of the configured log adapters.
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* Configured adapters are passed both the $type and $message variables. $type
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* is one of the following strings/values.
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*
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* ### Types:
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*
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* - LOG_EMERG => 'emergency',
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* - LOG_ALERT => 'alert',
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* - LOG_CRIT => 'critical',
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* - `LOG_ERR` => 'error',
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* - `LOG_WARNING` => 'warning',
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* - `LOG_NOTICE` => 'notice',
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* - `LOG_INFO` => 'info',
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* - `LOG_DEBUG` => 'debug',
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*
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* ### Usage:
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*
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* Write a message to the 'warning' log:
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*
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* `CakeLog::write('warning', 'Stuff is broken here');`
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*
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* @param mixed $type Type of message being written. When value is an integer
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* or a string matching the recognized levels, then it will
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* be treated log levels. Otherwise it's treated as scope.
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* @param string $message Message content to log
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* @param mixed $scope string or array
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* @return boolean Success
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*/
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public static function write($type, $message, $scope = array()) {
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if (empty(self::$_Collection)) {
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self::_init();
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}
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if (is_int($type) && isset(self::$_levels[$type])) {
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$type = self::$_levels[$type];
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}
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if (is_string($type) && empty($scope) && !in_array($type, self::$_levels)) {
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$scope = $type;
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}
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if (!self::$_Collection->attached()) {
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self::_autoConfig();
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}
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foreach (self::$_Collection->enabled() as $streamName) {
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$logger = self::$_Collection->{$streamName};
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$types = null;
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$scopes = array();
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if ($logger instanceof BaseLog) {
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$config = $logger->config();
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if (isset($config['types'])) {
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$types = $config['types'];
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}
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if (isset($config['scopes'])) {
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$scopes = $config['scopes'];
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}
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}
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if (is_string($scope)) {
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$inScope = in_array($scope, $scopes);
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} else {
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$intersect = array_intersect($scope, $scopes);
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$inScope = !empty($intersect);
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}
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if (empty($types) || in_array($type, $types) || in_array($type, $scopes) && $inScope) {
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$logger->write($type, $message);
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}
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}
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return true;
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}
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/**
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* Convenience method to log emergency messages
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*
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* @param string $message log message
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* @param mixed $scope string or array of scopes
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* @return boolean Success
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*/
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public static function emergency($message, $scope = array()) {
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return self::write(self::$_levelMap['emergency'], $message, $scope);
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}
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/**
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* Convenience method to log alert messages
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*
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* @param string $message log message
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* @param mixed $scope string or array of scopes
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* @return boolean Success
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*/
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public static function alert($message, $scope = array()) {
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return self::write(self::$_levelMap['alert'], $message, $scope);
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}
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/**
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* Convenience method to log critical messages
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*
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* @param string $message log message
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* @param mixed $scope string or array of scopes
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* @return boolean Success
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*/
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public static function critical($message, $scope = array()) {
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return self::write(self::$_levelMap['critical'], $message, $scope);
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}
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/**
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* Convenience method to log error messages
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*
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* @param string $message log message
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* @param mixed $scope string or array of scopes
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* @return boolean Success
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*/
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public static function error($message, $scope = array()) {
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return self::write(self::$_levelMap['error'], $message, $scope);
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}
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/**
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* Convenience method to log warning messages
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*
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* @param string $message log message
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* @param mixed $scope string or array of scopes
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* @return boolean Success
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*/
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public static function warning($message, $scope = array()) {
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return self::write(self::$_levelMap['warning'], $message, $scope);
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}
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/**
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* Convenience method to log notice messages
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*
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* @param string $message log message
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* @param mixed $scope string or array of scopes
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* @return boolean Success
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*/
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public static function notice($message, $scope = array()) {
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return self::write(self::$_levelMap['notice'], $message, $scope);
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}
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/**
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* Convenience method to log debug messages
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*
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* @param string $message log message
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* @param mixed $scope string or array of scopes
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* @return boolean Success
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*/
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public static function debug($message, $scope = array()) {
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return self::write(self::$_levelMap['debug'], $message, $scope);
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}
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/**
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* Convenience method to log info messages
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*
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* @param string $message log message
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* @param mixed $scope string or array of scopes
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* @return boolean Success
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*/
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public static function info($message, $scope = array()) {
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return self::write(self::$_levelMap['info'], $message, $scope);
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}
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}
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