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<?php
/**
* Spiral Framework.
*
* @license MIT
* @author Anton Titov (Wolfy-J)
*/
declare(strict_types=1);
namespace Spiral\Logger\Traits;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Spiral\Core\ContainerScope;
use Spiral\Logger\LogsInterface;
* Logger trait provides access to the logger from the global container scope (if exists).
trait LoggerTrait
{
/** @var LoggerInterface|null @internal */
private $logger = null;
* Sets a logger.
* @param LoggerInterface $logger
public function setLogger(LoggerInterface $logger): void
$this->logger = $logger;
}
* Get associated or create new instance of LoggerInterface.
* @param string $channel
* @return LoggerInterface
protected function getLogger(string $channel = null): LoggerInterface
if ($channel !== null) {
return $this->allocateLogger($channel);
if ($this->logger !== null) {
return $this->logger;
//We are using class name as log channel (name) by default
return $this->logger = $this->allocateLogger(static::class);
* Create new instance of associated logger (on demand creation).
private function allocateLogger(string $channel): LoggerInterface
$container = ContainerScope::getContainer();
if (empty($container) || !$container->has(LogsInterface::class)) {
return $this->logger ?? new NullLogger();
return $container->get(LogsInterface::class)->getLogger($channel);
spiral /
framework
