<?php
require_once 'Zend/Validate/Date.php';
function c_date($date){$validator = new Zend_Validate_Date();if($validator->isValid($date)){echo "输入的日期格式：";echo $date."有效！<p>";}else{echo "输入的日期格式：";echo $date."无效！<p>";}
}
$date1 = "2008-02-15";
$date2 = "2008-02-31";
$date3 = "02-15-2008";
c_date($date1);
c_date($date2);
c_date($date3);

public function isValid($value){if (!is_string($value) && !is_int($value) && !is_float($value) &&!is_array($value) && !($value instanceof Zend_Date)) {$this->_error(self::INVALID);return false;}$this->_setValue($value);if (($this->_format !== null) || ($this->_locale !== null) || is_array($value) ||$value instanceof Zend_Date) {require_once 'Zend/Date.php';if (!Zend_Date::isDate($value, $this->_format, $this->_locale)) {if ($this->_checkFormat($value) === false) {$this->_error(self::FALSEFORMAT);} else {$this->_error(self::INVALID_DATE);}return false;}} else {if (!preg_match('/^\d{4}-\d{2}-\d{2}$/', $value)) {$this->_format = 'yyyy-MM-dd';$this->_error(self::FALSEFORMAT);$this->_format = null;return false;}list($year, $month, $day) = sscanf($value, '%d-%d-%d');if (!checkdate($month, $day, $year)) {$this->_error(self::INVALID_DATE);return false;}}return true;}

<?php
require_once 'Zend/Validate/InArray.php';
function c_array($n){$temp = array("北京","上海","天津","重庆");$validator = new Zend_Validate_InArray($temp);if($validator->isValid($n)){echo "指定的内容：";echo $n.",存在于指定数组中！<p>";}else{echo "指定的内容：";echo $n.",不存在于指定数组中！<p>";}
}
$city1 = "北京";
$city2 = "重庆";
$city3 = "郑州";
c_array($city1);
c_array($city2);
c_array($city3);

<?php
require_once "Zend/Validate.php";
function c_rege($v){$pattern = array("/ab{2,}/");if(Zend_Validate::is($v,"Regex",$pattern)){echo "<font color=\"#006600\">指定的内容：";echo $v."<p>符合定义的正规规则！</font>";echo "<p>";}else{echo "<font color=\"#ff0000\">指定的内容：";echo $v."<p>不符合定义的正规规则！</font>";echo "<p>";}
}
$temp1 = "ab";
$temp2 = "abb";
$temp3 = "abbb";
c_rege($temp1);
c_rege($temp2);
c_rege($temp3);

    public function __construct($pattern){if ($pattern instanceof Zend_Config) {$pattern = $pattern->toArray();}if (is_array($pattern)) {if (array_key_exists('pattern', $pattern)) {$pattern = $pattern['pattern'];} else {require_once 'Zend/Validate/Exception.php';throw new Zend_Validate_Exception("Missing option 'pattern'");}}$this->setPattern($pattern);}

    public function isValid($value){if (!is_string($value) && !is_int($value) && !is_float($value)) {$this->_error(self::INVALID);return false;}$this->_setValue($value);$status = @preg_match($this->_pattern, $value);if (false === $status) {$this->_error(self::ERROROUS);return false;}if (!$status) {$this->_error(self::NOT_MATCH);return false;}return true;}

<?php
/*** Zend Framework** LICENSE** This source file is subject to the new BSD license that is bundled* with this package in the file LICENSE.txt.* It is also available through the world-wide-web at this URL:* http://framework.zend.com/license/new-bsd* If you did not receive a copy of the license and are unable to* obtain it through the world-wide-web, please send an email* to license@zend.com so we can send you a copy immediately.** @category   Zend* @package    Zend_Validate* @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)* @license    http://framework.zend.com/license/new-bsd     New BSD License* @version    $Id: Interface.php 24593 2012-01-05 20:35:02Z matthew $*//*** @category   Zend* @package    Zend_Validate* @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)* @license    http://framework.zend.com/license/new-bsd     New BSD License*/
interface Zend_Validate_Interface
{/*** Returns true if and only if $value meets the validation requirements** If $value fails validation, then this method returns false, and* getMessages() will return an array of messages that explain why the* validation failed.** @param  mixed $value* @return boolean* @throws Zend_Validate_Exception If validation of $value is impossible*/public function isValid($value);/*** Returns an array of messages that explain why the most recent isValid()* call returned false. The array keys are validation failure message identifiers,* and the array values are the corresponding human-readable message strings.** If isValid() was never called or if the most recent isValid() call* returned true, then this method returns an empty array.** @return array*/public function getMessages();
}

<?php
require_once "Zend/Validate/Interface.php";
class MyValidator implements Zend_Validate_Interface{protected $_messages = array();public function isValid($value){$this->_messages = array();$requirement = !($value%3);if(!$requirement){$this->_messages[] = "'$value'不能被3整除";return false;}return true;}public function getMessages(){return $this->_messages;}
}
function c_n_3($n){$validator = new MyValidator();if($validator->isValid($n)){echo "指定的数值：";echo $n.",是3的倍数！<p>";}else{echo "指定的数值：";echo $n.",不是3的倍数！<p>";echo "失败的消息为：<p>";foreach ($validator->getMessages() as  $message) {echo "$message<p>";}}
}
$num1 = 5;
$num2 = 6;
$num3 = 8;
c_n_3($num1);
c_n_3($num2);
c_n_3($num3);