77 lines
2.0 KiB
PHP
77 lines
2.0 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Filter
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: StringToUpper.php 8064 2008-02-16 10:58:39Z thomas $
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*/
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/**
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* @see Zend_Filter_Interface
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*/
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require_once 'Zend/Filter/Interface.php';
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/**
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* @category Zend
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* @package Zend_Filter
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Filter_StringToUpper implements Zend_Filter_Interface
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{
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/**
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* Encoding for the input string
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*
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* @var string
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*/
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protected $_encoding = null;
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/**
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* Set the input encoding for the given string
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*
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* @param string $encoding
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* @throws Zend_Filter_Exception
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*/
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public function setEncoding($encoding = null)
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{
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if (!function_exists('mb_strtoupper')) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('mbstring is required for this feature');
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}
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$this->_encoding = $encoding;
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}
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/**
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* Defined by Zend_Filter_Interface
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*
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* Returns the string $value, converting characters to uppercase as necessary
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*
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* @param string $value
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* @return string
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*/
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public function filter($value)
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{
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if ($this->_encoding) {
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return mb_strtoupper((string) $value, $this->_encoding);
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}
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return strtoupper((string) $value);
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}
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}
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