5.3. Log setup of S2Container

5.3. Log setup of S2Container
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In S2Container, you can get Logger instance by calling getLogger method of S2Logger class.

<?php
require_once('S2Container/S2Container.php');

seasar\log\S2Logger::getLogger()->debug('debug message.');

5.3.1. S2Logger

In S2Container, you can get Logger instance which performs a log output by seasar\log\S2Logger class. S2Logger::getLogger method returns the instance of SimpleLogger as a default. LoggerFactory which generates Logger instance is set up as a property of seasar\Config class.

LOGGER_FACTORY.

The LoggerFactory class which generates Logger instance to be used is specified.
seasar\Config::$LOGGER_FACTORY = 'seasar\log\impl\SimpleLoggerFactory';
LOG_LEVEL.

The level of a log output is set up.
seasar\Config::$LOG_LEVEL = seasar\log\impl\SimpleLogger::DEBUG;
DEBUG_EVAL.

If a log output level is DEBUG, it logs the PHP Expression processed with the eval function.
seasar\Config::$DEBUG_EVAL = false;
DEBUG_VERBOSE.

If a log output level is DEBUG, it logs some detail information.
seasar\Config::$DEBUG_VERBOSE = false;

5.3.2. SimpleLogger

SimpleLogger displays a log on standard output by a default. A log level can be set with the following six type. DEBUG, NOTICE, INFO, WARN, ERROR, FATAL

LOGGER_FACTORY.

The LoggerFactory of SimpleLogger class is SimpleLoggerFactory class.
seasar\Config::$LOGGER_FACTORY = 'seasar\log\impl\SimpleLoggerFactory';
LOG_LEVEL.

The level of a log output is set up.
seasar\Config::$LOG_LEVEL = seasar\log\impl\SimpleLogger::DEBUG;
seasar\Config::$LOG_LEVEL = seasar\log\impl\SimpleLogger::NOTICE;
seasar\Config::$LOG_LEVEL = seasar\log\impl\SimpleLogger::INFO;
seasar\Config::$LOG_LEVEL = seasar\log\impl\SimpleLogger::WARN;
seasar\Config::$LOG_LEVEL = seasar\log\impl\SimpleLogger::ERROR;
seasar\Config::$LOG_LEVEL = seasar\log\impl\SimpleLogger::FATAL;
SIMPLE_LOG_FILE.

The log file is set up in the case of performing a log output to a file.
seasar\Config::$SIMPLE_LOG_FILE = null;

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