Zend_Validate_Hostname::__construct PHP Method

    public function __construct($options = array())
    {
        if ($options instanceof Zend_Config) {
            $options = $options->toArray();
        } else {
            if (!is_array($options)) {
                $options = func_get_args();
                $temp['allow'] = array_shift($options);
                if (!empty($options)) {
                    $temp['idn'] = array_shift($options);
                }
                if (!empty($options)) {
                    $temp['tld'] = array_shift($options);
                }
                if (!empty($options)) {
                    $temp['ip'] = array_shift($options);
                }
                $options = $temp;
            }
        }
        $options += $this->_options;
        $this->setOptions($options);
    }

 public function __construct($allow = self::ALLOW_DNS, $validateIdn = true, $validateTld = false, Zend_Validate_Ip $ipValidator = null)
 {
     $this->_messageTemplates[self::IP_ADDRESS_NOT_ALLOWED] = trlKwfStatic("'%value%' appears to be an IP address, but IP addresses are not allowed");
     $this->_messageTemplates[self::UNKNOWN_TLD] = trlKwfStatic("'%value%' appears to be a DNS hostname but cannot match TLD against known list");
     $this->_messageTemplates[self::INVALID_DASH] = trlKwfStatic("'%value%' appears to be a DNS hostname but contains a dash (-) in an invalid position");
     $this->_messageTemplates[self::INVALID_HOSTNAME_SCHEMA] = trlKwfStatic("'%value%' appears to be a DNS hostname but cannot match against hostname schema for TLD '%tld%'");
     $this->_messageTemplates[self::UNDECIPHERABLE_TLD] = trlKwfStatic("'%value%' appears to be a DNS hostname but cannot extract TLD part");
     $this->_messageTemplates[self::INVALID_HOSTNAME] = trlKwfStatic("'%value%' does not match the expected structure for a DNS hostname");
     $this->_messageTemplates[self::INVALID_LOCAL_NAME] = trlKwfStatic("'%value%' does not appear to be a valid local network name");
     $this->_messageTemplates[self::LOCAL_NAME_NOT_ALLOWED] = trlKwfStatic("'%value%' appears to be a local network name but local network names are not allowed");
     parent::__construct($allow, $validateIdn, $validateTld, $ipValidator);
 }