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<?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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: NotEmpty.php 18186 2009-09-17 18:57:00Z matthew $
*/
/**
* @see Zend_Validate_Abstract
*/
require_once 'Zend/Validate/Abstract.php';
/**
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_NotEmpty extends Zend_Validate_Abstract
{
const INVALID = 'notEmptyInvalid';
const IS_EMPTY = 'isEmpty';
/**
* @var array
*/
protected $_messageTemplates = array(
self::IS_EMPTY => "Value is required and can't be empty",
self::INVALID => "Invalid type given, value should be float, string, array, boolean or integer",
);
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if $value is not an empty value.
*
* @param string $value
* @return boolean
*/
public function isValid($value)
{
if (!is_null($value) && !is_string($value) && !is_int($value) && !is_float($value) &&
!is_bool($value) && !is_array($value)) {
$this->_error(self::INVALID);
return false;
}
$this->_setValue($value);
if (is_string($value)
&& (('' === $value)
|| preg_match('/^\s+$/s', $value))
) {
$this->_error(self::IS_EMPTY);
return false;
} elseif (is_int($value) && (0 === $value)) {
return true;
} elseif (!is_string($value) && empty($value)) {
$this->_error(self::IS_EMPTY);
return false;
}
return true;
}
}
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