public function addValidator(Zend_Validate_Interface $validator, $breakChainOnFailure = false)
    {
        $this->_validators[] = array(
            'instance' => $validator,
            'breakChainOnFailure' => (boolean) $breakChainOnFailure
            );
        return $this;
    }
public function addValidator(Zend_Validate_Interface $validator, $breakChainOnFailure = false)
    {
        $this->_validators[] = array(
            'instance' => $validator,
            'breakChainOnFailure' => (boolean) $breakChainOnFailure
            );
        return $this;
    }
public function addValidator ( Zend_Validate_Interface $ validator , $ breakChainOnFailure = false ) { $ this -> _validators [ ] = array ( 'instance' => $ validator , 'breakChainOnFailure' => ( boolean ) $ breakChainOnFailure ) ; return $ this ; }
Adds a validator to the end of the chain

If $breakChainOnFailure is true, then if the validator fails, the next validator in the chain,
if one exists, will not be executed.

@param  Zend_Validate_Interface $validator
@param  boolean                 $breakChainOnFailure
@return Zend_Validate Provides a fluent interface
Adds a validator to the end of the chain