monolog使用

安装composer

curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer

　composer require monolog/monolog

<?php
error_reporting(E_ALL);
ini_set('display_errors', '1');
require __DIR__.'/vendor/autoload.php';

use MonologLogger;
use MonologHandlerStreamHandler;

// create a log channel
$log = new Logger('name');
$log->pushHandler(new StreamHandler('test.log', Logger::WARNING));
 
// add records to the log
$log->addWarning('Foo');
$log->addError('Bar');