Zend Framework校验器Zend_Validate用法详解

<?phprequire_once 'Zend/Validate/EmailAddress.php';function c_email($email){  $validator = new Zend_Validate_EmailAddress();  if($validator->isValid($email)){    echo "输入的E-mail地址：";    echo $email."有效！<p>";  }else{    echo "输入的E-mail地址：";    echo $email."无效！";    echo "失败消息为：<p>";    foreach($validator->getMessages() as $message){      echo $message."<p>";    }    foreach($validator->getErrors() as $error){      echo $error."<p>";    }  }}$e_m1 = "abc@123.com";$e_m2 = "abc#123.com";c_email($e_m1);c_email($e_m2);

public function isValid($value){    if (!is_string($value)) {      $this->_error(self::INVALID);      return false;    }    $matches = array();    $length = true;    $this->_setValue($value);    // Split email address up and disallow '..'    if ((strpos($value, '..') !== false) or      (!preg_match('/^(.+)@([^@]+)$/', $value, $matches))) {      $this->_error(self::INVALID_FORMAT);      return false;    }    $this->_localPart = $matches[1];    $this->_hostname = $matches[2];    if ((strlen($this->_localPart) > 64) || (strlen($this->_hostname) > 255)) {      $length = false;      $this->_error(self::LENGTH_EXCEEDED);    }    // Match hostname part    if ($this->_options['domain']) {      $hostname = $this->_validateHostnamePart();    }    $local = $this->_validateLocalPart();    // If both parts valid, return true    if ($local && $length) {      if (($this->_options['domain'] && $hostname) || !$this->_options['domain']) {        return true;      }    }    return false;}