Automattic / jetpack

		return $num;

	}

	protected function lib_min($args) {

		$numbers = $this->getNormalizedNumbers($args);

		$min = null;

		foreach ($numbers as $key => $number) {

			if (null === $min || $number[1] <= $min[1]) {

				$min = array($key, $number[1]);

			}

		}

		return $args[$min[0]];

	}

	protected function lib_max($args) {

		$numbers = $this->getNormalizedNumbers($args);

		return $args[$min[0]];

	}

	protected function lib_max($args) {

		$numbers = $this->getNormalizedNumbers($args);

		$max = null;

		foreach ($numbers as $key => $number) {

			if (null === $max || $number[1] >= $max[1]) {

				$max = array($key, $number[1]);

			}

		}

		return $args[$max[0]];

	}

	protected function getNormalizedNumbers($args) {

		$unit = null;