<?php
require_once 'Zend/Validate/EmailAddress.php';
function c_email($email)
{$validator = new Zend_Validate_EmailAddress();$validator->setMessage("%value%不符合标准的E-mail地址格式");if($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 $email."无效！";echo "失败消息为：<p>";$message = $validator->getMessages();echo $message['emailAddressInvalidFormat'];}
}$e_m1 = "abc@123.com";
$e_m2 = "abc#123.com";
c_email($e_m1);
c_email($e_m2);

<?php
require_once 'Zend/Validate.php';
function c_num($num){if(Zend_Validate::is($num,'Between',array(10,40)))//调用is()静态方法，并对结果进行判断
    {echo "<font color=\"#006600\">输入的数值：";echo $num."<p>在10与40之间！</font>";echo "<p>";}else{echo "<font color=\"#ff0000\">输入的数值：";echo $num."<p>不在10与40之间！</font>";echo "<p>";}
}
$num1 = 5;
$num2 = 22;
c_num($num1);
c_num($num2);

public static function is($value, $classBaseName, array $args = array(), $namespaces = array()){$namespaces = array_merge((array) $namespaces, self::$_defaultNamespaces, array('Zend_Validate'));$className  = ucfirst($classBaseName);try {if (!class_exists($className, false)) {require_once 'Zend/Loader.php';foreach($namespaces as $namespace) {$class = $namespace . '_' . $className;$file  = str_replace('_', DIRECTORY_SEPARATOR, $class) . '.php';if (Zend_Loader::isReadable($file)) {Zend_Loader::loadClass($class);$className = $class;break;}}}$class = new ReflectionClass($className);if ($class->implementsInterface('Zend_Validate_Interface')) {if ($class->hasMethod('__construct')) {$keys    = array_keys($args);$numeric = false;foreach($keys as $key) {if (is_numeric($key)) {$numeric = true;break;}}if ($numeric) {$object = $class->newInstanceArgs($args);} else {$object = $class->newInstance($args);}} else {$object = $class->newInstance();}return $object->isValid($value);}} catch (Zend_Validate_Exception $ze) {// if there is an exception while validating throw itthrow $ze;} catch (Exception $e) {// fallthrough and continue for missing validation classes
        }require_once 'Zend/Validate/Exception.php';throw new Zend_Validate_Exception("Validate class not found from basename '$classBaseName'");}

<?php
require_once 'Zend/Validate.php';
require_once 'Zend/Validate/StringLength.php';
require_once 'Zend/Validate/Alnum.php';
function c_content($value){$v_Chain = new Zend_Validate();$v_Chain->addValidator(new Zend_Validate_StringLength(8,12))->addValidator(new Zend_Validate_Alnum());if($v_Chain->isValid($value)){echo "输入的值:";echo $value."有效！";}else{echo "输入的值:";echo $value."无效！";echo "失败消息为：<p>";foreach($v_Chain->getMessages() as $message){echo "$message<p>";}}
}$temp1 = "123456";
$temp2 = "!@#$%^&*()";
$temp3 = "abcdefgh";
c_content($temp1);
c_content($temp2);
c_content($temp3);

public function addValidator(Zend_Validate_Interface $validator, $breakChainOnFailure = false){$this->_validators[] = array('instance' => $validator,'breakChainOnFailure' => (boolean) $breakChainOnFailure);return $this;}

public function isValid($value){$this->_messages = array();$this->_errors   = array();$result = true;foreach ($this->_validators as $element) {$validator = $element['instance'];if ($validator->isValid($value)) {continue;}$result = false;$messages = $validator->getMessages();$this->_messages = array_merge($this->_messages, $messages);$this->_errors   = array_merge($this->_errors,   array_keys($messages));if ($element['breakChainOnFailure']) {break;}}return $result;}