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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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: StringTrim.php 8064 2008-02-16 10:58:39Z thomas $
*/
/**
* @see Zend_Filter_Interface
*/
require_once 'Zend/Filter/Interface.php';
/**
* @category Zend
* @package Zend_Filter
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Filter_StringTrim implements Zend_Filter_Interface
{
/**
* List of characters provided to the trim() function
*
* If this is null, then trim() is called with no specific character list,
* and its default behavior will be invoked, trimming whitespace.
*
* @var string|null
*/
protected $_charList;
/**
* Sets filter options
*
* @param string $charList
* @return void
*/
public function __construct($charList = null)
{
$this->_charList = $charList;
}
/**
* Returns the charList option
*
* @return string|null
*/
public function getCharList()
{
return $this->_charList;
}
/**
* Sets the charList option
*
* @param string|null $charList
* @return Zend_Filter_StringTrim Provides a fluent interface
*/
public function setCharList($charList)
{
$this->_charList = $charList;
return $this;
}
/**
* Defined by Zend_Filter_Interface
*
* Returns the string $value with characters stripped from the beginning and end
*
* @param string $value
* @return string
*/
public function filter($value)
{
if (null === $this->_charList) {
return trim((string) $value);
} else {
return trim((string) $value, $this->_charList);
}
}
}
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