Viewing file:  Digits.php (1.79 KB) -rwxrwxr-x
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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;
use Zend\Filter\Digits as DigitsFilter;
class Digits extends AbstractValidator
{
const NOT_DIGITS = 'notDigits';
const STRING_EMPTY = 'digitsStringEmpty';
const INVALID = 'digitsInvalid';
/**
* Digits filter used for validation
*
* @var \Zend\Filter\Digits
*/
protected static $filter = null;
/**
* Validation failure message template definitions
*
* @var array
*/
protected $messageTemplates = array(
self::NOT_DIGITS => "The input must contain only digits",
self::STRING_EMPTY => "The input is an empty string",
self::INVALID => "Invalid type given. String, integer or float expected",
);
/**
* Returns true if and only if $value only contains digit characters
*
* @param string $value
* @return bool
*/
public function isValid($value)
{
if (!is_string($value) && !is_int($value) && !is_float($value)) {
$this->error(self::INVALID);
return false;
}
$this->setValue((string) $value);
if ('' === $this->getValue()) {
$this->error(self::STRING_EMPTY);
return false;
}
if (null === static::$filter) {
static::$filter = new DigitsFilter();
}
if ($this->getValue() !== static::$filter->filter($this->getValue())) {
$this->error(self::NOT_DIGITS);
return false;
}
return true;
}
}
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