Zend Framework常用校验器详解

<?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);