src/log4php/Logger.php
public function getEffectiveLevel() {
		for($logger = $this; $logger !== null; $logger = $logger->getParent()) {
			if($logger->getLevel() !== null) {
				return $logger->getLevel();
			}
		}
	}
public function getEffectiveLevel() {
		for($logger = $this; $logger !== null; $logger = $logger->getParent()) {
			if($logger->getLevel() !== null) {
				return $logger->getLevel();
			}
		}
	}
Starting from this Logger, search the Logger hierarchy for a non-null level and return it.
@see LoggerLevel
@return LoggerLevel or null