<?phpnamespacePsr\Log;/** * This Logger can be used to avoid conditional log calls. * * Logging should always be optional, and if no logger is provided to your * library creating a NullLogger instance to have something to throw logs at * is a good way to avoid littering your code with `if ($this->logger) { }` * blocks. */classNullLoggerextendsAbstractLogger{/** * Logs with an arbitrary level. * * @param mixed $level * @param string $message * @param array $context * * @return void */publicfunctionlog($level,$message,array$context=array()){// noop}}