PHP code example of solophp / logger

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

solophp / logger example snippets

use Psr\Log\LogLevel;
use Solo\Logger\Logger;

// Initialize logger
$logger = new Logger('/path/to/log/file.log');

// Log messages
$logger->info('Application started');
$logger->error('Failed to charge user {user_id}', ['user_id' => 42, 'error_code' => 500]);

// Only WARNING and above will be written
$logger->setMinLevel(LogLevel::WARNING);

$logger = new Logger('/path/to/log/file.log', 'America/New_York');

$logger->setLogFile('/path/to/another/file.log');
$logger->setTimezone('Asia/Tokyo');

// Rotate when file reaches 1MB, keep maximum 5 files
$logger = new Logger('app.log', '', 1024 * 1024, 5, 'size');

// Rotate every 6 hours, keep maximum 10 files
$logger = new Logger('app.log', '', 0, 10, 'time', 6 * 3600);

// Rotate when file reaches 2MB OR every 12 hours, keep maximum 7 files
$logger = new Logger('app.log', '', 2 * 1024 * 1024, 7, 'both', 12 * 3600);

$logger->setMaxFileSize(1024 * 1024); // 1MB
$logger->setMaxFiles(10);
$logger->setRotationStrategy('both');
$logger->setRotationInterval(3600); // 1 hour
// Record WARNING and higher only
$logger->setMinLevel(LogLevel::WARNING);

$logger = new Logger('logs/daily.log', '', 0, 30, 'time', 86400);

$logger = new Logger('logs/large.log', '', 5 * 1024 * 1024, 10, 'size');

$logger = new Logger(
    'logs/combined.log', 
    '', 
    2 * 1024 * 1024,  // 2MB limit
    20,                 // 20 files max
    'both',             // both size and time
    6 * 3600           // 6 hours
);

use Solo\Logger\Formatter\JsonFormatter;
use Solo\Logger\Formatter\LineFormatter;
use Solo\Logger\Formatter\LogfmtFormatter;
use Solo\Logger\Logger;

// Via constructor (last argument)
$logger = new Logger('app.log', '', 0, 0, 'size', 86400, new JsonFormatter());

// Or swap at runtime
$logger->setFormatter(new LogfmtFormatter());

// Defaults: template = "[{time}] {level}: {message}", date format = DateTimeInterface::ATOM
$formatter = new LineFormatter(
    template: '{time} [{level}] {message}',
    dateFormat: 'Y-m-d H:i:s',
);

use Solo\Logger\Formatter\FormatterInterface;

final class MyFormatter implements FormatterInterface
{
    public function format(string $level, string|\Stringable $message, array $context, \DateTimeInterface $time): string
    {
        return sprintf('%s %s %s', $time->format('c'), strtoupper($level), $message);
    }
}