Zend_Validate_Hostname::setAllow PHP Method

Sets the allow option

public setAllow ( integer $allow ) : Zend_Validate_Hostname
$allow	integer
return	Zend_Validate_Hostname	Provides a fluent interface

    public function setAllow($allow)
    {
        $this->_options['allow'] = $allow;
        return $this;
    }

Zend_Validate_Hostname