CacheRedis::__construct PHP Method

    public function __construct($options = array())
    {
        if (!extension_loaded('redis')) {
            throw_exception(L('_NOT_SUPPERT_') . ':redis');
        }
        if (empty($options)) {
            $options = array('host' => C('REDIS_HOST') ? C('REDIS_HOST') : '127.0.0.1', 'port' => C('REDIS_PORT') ? C('REDIS_PORT') : 6379, 'timeout' => C('DATA_CACHE_TIMEOUT') ? C('DATA_CACHE_TIMEOUT') : false, 'persistent' => false);
        }
        $this->options = $options;
        $this->options['expire'] = isset($options['expire']) ? $options['expire'] : C('DATA_CACHE_TIME');
        $this->options['prefix'] = isset($options['prefix']) ? $options['prefix'] : C('DATA_CACHE_PREFIX');
        $this->options['length'] = isset($options['length']) ? $options['length'] : 0;
        $func = $options['persistent'] ? 'pconnect' : 'connect';
        $this->handler = new Redis();
        $options['timeout'] === false ? $this->handler->{$func}($options['host'], $options['port']) : $this->handler->{$func}($options['host'], $options['port'], $options['timeout']);
    }