Log message severity -- Warning conditions. File core/lib/Drupal/Core/Logger/RfcLogLevel.php, line 58

A copy of \Psr\Log\LoggerTrait that uses RFC 5424 compliant log levels. Internal Drupal logger implementations should use this trait instead

Defines a factory for logging channels. Hierarchy class \Drupal\Core\Logger\

public LoggerChannelFactory::addLogger(LoggerInterface $logger

Defines an interface for parsing log messages and their placeholders. Hierarchy interface

Logger channel interface. This interface defines the full behavior of the central Drupal logger facility. However, when writing code that does

public LoggerChannelInterface::addLogger(LoggerInterface

protected LoggerChannel::sortLoggers() Sorts

The request stack object. Type: \Symfony\Component\HttpFoundation\RequestStack File

An array of arrays of \Psr\Log\LoggerInterface keyed by priority. Type: