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<?php
namespace Arrilot\Logs;
use InvalidArgumentException;
use Monolog\Registry;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
trait Logs
{
/**
* @var LoggerInterface|null
*/
protected $logger;
* Getter for logger.
* If logger is not set, an null (empty) logger is set. It does not log anywhere.
*
* @return LoggerInterface
public function logger()
if (is_null($this->logger)) {
$this->logger = new NullLogger();
}
return $this->logger;
* Setter for logger.
* @param LoggerInterface|string $logger
* @return $this
public function setLogger($logger)
if (is_object($logger) && $logger instanceof LoggerInterface) {
$this->logger = $logger;
} elseif (is_string($logger) && class_exists('\\Monolog\\Registry') && Registry::hasLogger($logger)) {
$this->logger = Registry::getInstance($logger);
} else {
throw new InvalidArgumentException('Only "Psr\Log\LoggerInterface" or a name for logger in a "Monolog\Registry" are allowed to be passed as $logger');
return $this;
* Sets a logger that simply echoes everything.
public function setEchoLogger()
$this->logger = new EchoLogger();
* Remove a logger.
public function removeLogger()
$this->logger = null;
arrilot /
logs
