Scalr\Logger::setLevel PHP Method

    public function setLevel($logLevel)
    {
        if (is_int($logLevel)) {
            $this->level = $logLevel;
        } else {
            $const = 'static::LEVEL_' . strtoupper($logLevel);
            if (!defined($const)) {
                throw new \InvalidArgumentException(sprintf("Unknown log level: %s", strip_tags($logLevel)));
            }
            $this->level = constant($const);
        }
        return $this;
    }