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Diffstat (limited to '')
-rw-r--r-- | library/vendor/Zend/Filter/Digits.php | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/library/vendor/Zend/Filter/Digits.php b/library/vendor/Zend/Filter/Digits.php new file mode 100644 index 0000000..83881d7 --- /dev/null +++ b/library/vendor/Zend/Filter/Digits.php @@ -0,0 +1,81 @@ +<?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_Filter + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + */ + + +/** + * @see Zend_Filter_Interface + */ + + +/** + * @category Zend + * @package Zend_Filter + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Zend_Filter_Digits implements Zend_Filter_Interface +{ + /** + * Is PCRE is compiled with UTF-8 and Unicode support + * + * @var mixed + **/ + protected static $_unicodeEnabled; + + /** + * Class constructor + * + * Checks if PCRE is compiled with UTF-8 and Unicode support + * + * @return void + */ + public function __construct() + { + if (null === self::$_unicodeEnabled) { + self::$_unicodeEnabled = (@preg_match('/\pL/u', 'a')) ? true : false; + } + } + + /** + * Defined by Zend_Filter_Interface + * + * Returns the string $value, removing all but digit characters + * + * @param string $value + * @return string + */ + public function filter($value) + { + if (!self::$_unicodeEnabled) { + // POSIX named classes are not supported, use alternative 0-9 match + $pattern = '/[^0-9]/'; + } else if (extension_loaded('mbstring')) { + // Filter for the value with mbstring + $pattern = '/[^[:digit:]]/'; + } else { + // Filter for the value without mbstring + $pattern = '/[\p{^N}]/'; + } + + return preg_replace($pattern, '', (string) $value); + } +} |