1 | <?php |
---|
2 | /** |
---|
3 | * Zend Framework |
---|
4 | * |
---|
5 | * LICENSE |
---|
6 | * |
---|
7 | * This source file is subject to the new BSD license that is bundled |
---|
8 | * with this package in the file LICENSE.txt. |
---|
9 | * It is also available through the world-wide-web at this URL: |
---|
10 | * http://framework.zend.com/license/new-bsd |
---|
11 | * If you did not receive a copy of the license and are unable to |
---|
12 | * obtain it through the world-wide-web, please send an email |
---|
13 | * to license@zend.com so we can send you a copy immediately. |
---|
14 | * |
---|
15 | * @category Zend |
---|
16 | * @package Zend_Validate |
---|
17 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
---|
18 | * @license http://framework.zend.com/license/new-bsd New BSD License |
---|
19 | * @version $Id: Digits.php 22668 2010-07-25 14:50:46Z thomas $ |
---|
20 | */ |
---|
21 | |
---|
22 | /** |
---|
23 | * @see Zend_Validate_Abstract |
---|
24 | */ |
---|
25 | require_once 'Zend/Validate/Abstract.php'; |
---|
26 | |
---|
27 | /** |
---|
28 | * @category Zend |
---|
29 | * @package Zend_Validate |
---|
30 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
---|
31 | * @license http://framework.zend.com/license/new-bsd New BSD License |
---|
32 | */ |
---|
33 | class Zend_Validate_Digits extends Zend_Validate_Abstract |
---|
34 | { |
---|
35 | const NOT_DIGITS = 'notDigits'; |
---|
36 | const STRING_EMPTY = 'digitsStringEmpty'; |
---|
37 | const INVALID = 'digitsInvalid'; |
---|
38 | |
---|
39 | /** |
---|
40 | * Digits filter used for validation |
---|
41 | * |
---|
42 | * @var Zend_Filter_Digits |
---|
43 | */ |
---|
44 | protected static $_filter = null; |
---|
45 | |
---|
46 | /** |
---|
47 | * Validation failure message template definitions |
---|
48 | * |
---|
49 | * @var array |
---|
50 | */ |
---|
51 | protected $_messageTemplates = array( |
---|
52 | self::NOT_DIGITS => "'%value%' must contain only digits", |
---|
53 | self::STRING_EMPTY => "'%value%' is an empty string", |
---|
54 | self::INVALID => "Invalid type given. String, integer or float expected", |
---|
55 | ); |
---|
56 | |
---|
57 | /** |
---|
58 | * Defined by Zend_Validate_Interface |
---|
59 | * |
---|
60 | * Returns true if and only if $value only contains digit characters |
---|
61 | * |
---|
62 | * @param string $value |
---|
63 | * @return boolean |
---|
64 | */ |
---|
65 | public function isValid($value) |
---|
66 | { |
---|
67 | if (!is_string($value) && !is_int($value) && !is_float($value)) { |
---|
68 | $this->_error(self::INVALID); |
---|
69 | return false; |
---|
70 | } |
---|
71 | |
---|
72 | $this->_setValue((string) $value); |
---|
73 | |
---|
74 | if ('' === $this->_value) { |
---|
75 | $this->_error(self::STRING_EMPTY); |
---|
76 | return false; |
---|
77 | } |
---|
78 | |
---|
79 | if (null === self::$_filter) { |
---|
80 | require_once 'Zend/Filter/Digits.php'; |
---|
81 | self::$_filter = new Zend_Filter_Digits(); |
---|
82 | } |
---|
83 | |
---|
84 | if ($this->_value !== self::$_filter->filter($this->_value)) { |
---|
85 | $this->_error(self::NOT_DIGITS); |
---|
86 | return false; |
---|
87 | } |
---|
88 | |
---|
89 | return true; |
---|
90 | } |
---|
91 | } |
---|