Horde_Timezone::getRule PHP Method

    public function getRule($rule)
    {
        if (!$this->_rules) {
            $this->_extractAndParse();
        }
        if (!isset($this->_rules[$rule])) {
            throw new Horde_Timezone_Exception(sprintf('Timezone rule %s not found', $rule));
        }
        return $this->_rules[$rule];
    }