Logger Methods

Log Levels

All methods accept a message string and optional context array:

Method	Level	Use When
$log->emergency($msg, $ctx)	Emergency	System is unusable
$log->alert($msg, $ctx)	Alert	Immediate action required
$log->critical($msg, $ctx)	Critical	Critical conditions
$log->error($msg, $ctx)	Error	Runtime errors
$log->warning($msg, $ctx)	Warning	Exceptional occurrences not errors
$log->notice($msg, $ctx)	Notice	Normal but significant
$log->info($msg, $ctx)	Info	Interesting events
$log->debug($msg, $ctx)	Debug	Detailed debug information

Additional Methods

Method	Description
$log->withContext($context)	Add default context to all messages
$log->channel($name)	Create logger with channel in context

Examples

Basic Logging

$log->info('User logged in');
$log->error('Database connection failed');
$log->debug('Query executed', ['sql' => $sql, 'time' => $duration]);

With Context

$log->info('Payment processed', [
    'user_id' => 123,
    'amount' => 50.00,
    'method' => 'credit_card'
]);

Default Context

$log = $log->withContext(['request_id' => generateId()]);

$log->info('Processing started');  // Includes request_id
$log->info('Processing complete'); // Includes request_id

Channels

$userLog = $log->channel('users');
$paymentLog = $log->channel('payments');

$userLog->info('User created', ['id' => 123]);
$paymentLog->info('Payment succeeded', ['amount' => 99.99]);

Exception Logging

try {
    riskyOperation();
} catch (Exception $e) {
    $log->error('Operation failed', [
        'error' => $e->getMessage(),
        'file' => $e->getFile(),
        'line' => $e->getLine()
    ]);
}