<?php

require_once 'Zend/Validate/Abstract.php';

class Application_Validate_FieldMatch extends Zend_Validate_Abstract {

    const NOT_MATCH = 'notMatch';

    protected $_messageTemplates = array(
        self::NOT_MATCH => 'Fields does not match'
    );

	protected $_target;

	public function __construct($target) {
		$this->_target = $target;
	}

    public function isValid($value, $context = null) {
        $value = (string) $value;
        $this->_setValue($value);

        if (is_array($context)) {
            if (isset($context[$this->_target]) && ($value == $context[$this->_target])) {
                return true;
            }
        } elseif (is_string($context) && ($value == $context)) {
            return true;
        }

        $this->_error(self::NOT_MATCH);
        return false;
    }
}