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<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: StringToUpper.php 20912 2010-02-04 19:44:42Z thomas $
*/
/**
* @see Zend_Filter_Interface
*/
require_once 'Zend/Filter/Interface.php';
/**
* @category Zend
* @package Zend_Filter
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Filter_StringToUpper implements Zend_Filter_Interface
{
/**
* Encoding for the input string
*
* @var string
*/
protected $_encoding = null;
/**
* Constructor
*
* @param string|array $options OPTIONAL
*/
public function __construct($options = null)
{
if ($options instanceof Zend_Config) {
$options = $options->toArray();
} else if (!is_array($options)) {
$options = func_get_args();
$temp = array();
if (!empty($options)) {
$temp['encoding'] = array_shift($options);
}
$options = $temp;
}
if (array_key_exists('encoding', $options)) {
$this->setEncoding($options['encoding']);
}
}
/**
* Returns the set encoding
*
* @return string
*/
public function getEncoding()
{
return $this->_encoding;
}
/**
* Set the input encoding for the given string
*
* @param string $encoding
* @return Zend_Filter_StringToUpper Provides a fluent interface
* @throws Zend_Filter_Exception
*/
public function setEncoding($encoding = null)
{
if ($encoding !== null) {
if (!function_exists('mb_strtoupper')) {
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception('mbstring is required for this feature');
}
$encoding = (string) $encoding;
if (!in_array(strtolower($encoding), array_map('strtolower', mb_list_encodings()))) {
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception("The given encoding '$encoding' is not supported by mbstring");
}
}
$this->_encoding = $encoding;
return $this;
}
/**
* Defined by Zend_Filter_Interface
*
* Returns the string $value, converting characters to uppercase as necessary
*
* @param string $value
* @return string
*/
public function filter($value)
{
if ($this->_encoding) {
return mb_strtoupper((string) $value, $this->_encoding);
}
return strtoupper((string) $value);
}
}
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