Charla Monolog

example1.php

<?php

$record = 'OLA K ASE';

/**
 * Log record
 * 
 * @param string $record
 */
function log($record){
    $filename = '/path/to/file.log';
    file_put_contents($filename, (string) $record, FILE_APPEND);
}

example2.php

<?php


use Monolog\Logger;
use Monolog\Handler\StreamHandler;

// create a log channel
$logger = new Logger('name');
$logger->pushHandler(new StreamHandler('path/to/your.log', Logger::WARNING));

// add records to the log
$logger->addRecord(Logger::DEBUG, 'Ha');
$logger->addWarning('He');
$logger->addError('Hi', array('user'=>'desarrolla2'));

example3.php

<?php


use Monolog\Logger;
use Monolog\Handler\StreamHandler;

// create a log channel
$logger = new Logger('name');

$logger->pushProcessor(function ($record) {
    $record['extra']['architecture'] = exec('uname -i');
    return $record;
});


$handler = new StreamHandler('path/to/your.log', Logger::WARNING);
$handler->pushProcessor(function ($record) {
    $record['extra']['load'] = sys_getloadavg();
    return $record;
});

example4.php

<?php


use Monolog\Logger;
use Monolog\Handler\StreamHandler;
use Monolog\Formatter\LineFormatter;

$stream = new StreamHandler('path/to/your.log', Logger::WARNING);

$dateFormat = "Y n j, g:i a";
$output = "%datetime% > %level_name% > %message% %context% %extra%\n";
$formatter = new LineFormatter($output, $dateFormat);


$stream->setFormatter($formatter);

example5.php

<?php

$record = array(
            'message' => (string) $message,
            'context' => $context,
            'level' => $level,
            'level_name' => static::getLevelName($level),
            'channel' => $this->name,
            'datetime' => \DateTime::createFromFormat('U.u', sprintf('%.6F', microtime(true)), static::$timezone)->setTimezone(static::$timezone),
            'extra' => array(),
        );

example6.php

<?php

require_once __DIR__ . '/vendor/autoload.php';

use Monolog\Logger;
use Monolog\Handler\ChromePHPHandler;
use Monolog\Processor\MemoryUsageProcessor;

$channel = 'mysql';
$logger = new Logger($channel);
$handler = new ChromePHPHandler(Logger::DEBUG, true);
$handler->pushProcessor(new MemoryUsageProcessor(true));
$handler->pushProcessor(function($record) {
            $info = mysql_info();
            $info = 'Rows matched: 65 Changed: 65 Warnings: 0';
            $record['extra'] = array_merge(
                    $record['extra'], array(
                'mysql_info' => $info,
                    )
            );
            return $record;
        });
$logger->pushHandler($handler);

for ($i = 1; $i <= 100; $i++) {
    $sql = 'UPDATE table SET ...';
    $logger->addRecord(Logger::DEBUG, $sql, array(
        'id' => $i
    ));
}

example7.php

<?php

require_once __DIR__ . '/vendor/autoload.php';

use Monolog\Logger;
use Monolog\Handler\MongoDBHandler;
use Monolog\Handler\NativeMailerHandler;
use Monolog\Formatter\JsonFormatter;

$channel = 'error';
$logger = new Logger($channel);

$logger->popProcessor(function ($record) {
            $record['extra']['host'] = gethostname();
            return $record;
        }
);

$mongo = new MongoDBHandler(new \Mongo("mongodb://localhost:27017"), "logs", "errors", Logger::ERROR);
$mongo->setFormatter(new JsonFormatter());

$mail = new NativeMailerHandler('admin@mycompany.com', 'Producction Error', 'noreply@mycompany.com', Logger::ERROR, true);
$mail->setFormatter(new MyCustomFormatter());

$logger->pushHandler($mongo);
$logger->pushHandler($mail);

class Controller
{

    public function doSomething()
    {
        try {
            // Important stuff ...
        } catch (\Exception $e) {
            $this->container->get('logger.error')->error($e->getMessage(), array(
                'user' => $this->getUser(),
                'item' => $this->getItem(),
            ));
        }
    }

}