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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Validator;
class Hex extends AbstractValidator
{
const INVALID = 'hexInvalid';
const NOT_HEX = 'notHex';
/**
* Validation failure message template definitions
*
* @var array
*/
protected $messageTemplates = array(
self::INVALID => "Invalid type given. String expected",
self::NOT_HEX => "The input contains non-hexadecimal characters",
);
/**
* Returns true if and only if $value contains only hexadecimal digit characters
*
* @param string $value
* @return bool
*/
public function isValid($value)
{
if (!is_string($value) && !is_int($value)) {
$this->error(self::INVALID);
return false;
}
$this->setValue($value);
if (!ctype_xdigit((string) $value)) {
$this->error(self::NOT_HEX);
return false;
}
return true;
}
}