[5146] | 1 | <?php |
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| 2 | /** |
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| 3 | * Zend Framework |
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| 4 | * |
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| 5 | * LICENSE |
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| 6 | * |
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| 7 | * This source file is subject to the new BSD license that is bundled |
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| 8 | * with this package in the file LICENSE.txt. |
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| 9 | * It is also available through the world-wide-web at this URL: |
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| 10 | * http://framework.zend.com/license/new-bsd |
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| 11 | * If you did not receive a copy of the license and are unable to |
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| 12 | * obtain it through the world-wide-web, please send an email |
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| 13 | * to license@zend.com so we can send you a copy immediately. |
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| 14 | * |
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| 15 | * @category Zend |
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| 16 | * @package Zend_Validate |
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| 17 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 18 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 19 | * @version $Id: Digits.php 22668 2010-07-25 14:50:46Z thomas $ |
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| 20 | */ |
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| 21 | |
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| 22 | /** |
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| 23 | * @see Zend_Validate_Abstract |
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| 24 | */ |
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| 25 | require_once 'Zend/Validate/Abstract.php'; |
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| 26 | |
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| 27 | /** |
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| 28 | * @category Zend |
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| 29 | * @package Zend_Validate |
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| 30 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 31 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 32 | */ |
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| 33 | class Zend_Validate_Digits extends Zend_Validate_Abstract |
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| 34 | { |
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| 35 | const NOT_DIGITS = 'notDigits'; |
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| 36 | const STRING_EMPTY = 'digitsStringEmpty'; |
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| 37 | const INVALID = 'digitsInvalid'; |
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| 38 | |
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| 39 | /** |
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| 40 | * Digits filter used for validation |
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| 41 | * |
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| 42 | * @var Zend_Filter_Digits |
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| 43 | */ |
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| 44 | protected static $_filter = null; |
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| 45 | |
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| 46 | /** |
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| 47 | * Validation failure message template definitions |
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| 48 | * |
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| 49 | * @var array |
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| 50 | */ |
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| 51 | protected $_messageTemplates = array( |
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| 52 | self::NOT_DIGITS => "'%value%' must contain only digits", |
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| 53 | self::STRING_EMPTY => "'%value%' is an empty string", |
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| 54 | self::INVALID => "Invalid type given. String, integer or float expected", |
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| 55 | ); |
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| 56 | |
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| 57 | /** |
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| 58 | * Defined by Zend_Validate_Interface |
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| 59 | * |
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| 60 | * Returns true if and only if $value only contains digit characters |
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| 61 | * |
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| 62 | * @param string $value |
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| 63 | * @return boolean |
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| 64 | */ |
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| 65 | public function isValid($value) |
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| 66 | { |
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| 67 | if (!is_string($value) && !is_int($value) && !is_float($value)) { |
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| 68 | $this->_error(self::INVALID); |
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| 69 | return false; |
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| 70 | } |
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| 71 | |
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| 72 | $this->_setValue((string) $value); |
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| 73 | |
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| 74 | if ('' === $this->_value) { |
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| 75 | $this->_error(self::STRING_EMPTY); |
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| 76 | return false; |
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| 77 | } |
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| 78 | |
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| 79 | if (null === self::$_filter) { |
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| 80 | require_once 'Zend/Filter/Digits.php'; |
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| 81 | self::$_filter = new Zend_Filter_Digits(); |
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| 82 | } |
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| 83 | |
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| 84 | if ($this->_value !== self::$_filter->filter($this->_value)) { |
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| 85 | $this->_error(self::NOT_DIGITS); |
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| 86 | return false; |
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| 87 | } |
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| 88 | |
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| 89 | return true; |
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| 90 | } |
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| 91 | } |
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