/library/Zend/Filter/StringTrim.php
https://bitbucket.org/hamidrezas/melobit · PHP · 124 lines · 46 code · 9 blank · 69 comment · 6 complexity · 97b076fefe2792d187557a0f6fe51354 MD5 · raw file
- <?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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id: StringTrim.php 24594 2012-01-05 21:27:01Z matthew $
- */
- /**
- * @see Zend_Filter_Interface
- */
- require_once 'Zend/Filter/Interface.php';
- /**
- * @category Zend
- * @package Zend_Filter
- * @copyright Copyright (c) 2005-2012 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|array|Zend_Config $options
- * @return void
- */
- public function __construct($options = null)
- {
- if ($options instanceof Zend_Config) {
- $options = $options->toArray();
- } else if (!is_array($options)) {
- $options = func_get_args();
- $temp['charlist'] = array_shift($options);
- $options = $temp;
- }
- if (array_key_exists('charlist', $options)) {
- $this->setCharList($options['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 $this->_unicodeTrim((string) $value);
- } else {
- return $this->_unicodeTrim((string) $value, $this->_charList);
- }
- }
- /**
- * Unicode aware trim method
- * Fixes a PHP problem
- *
- * @param string $value
- * @param string $charlist
- * @return string
- */
- protected function _unicodeTrim($value, $charlist = '\\\\s')
- {
- $chars = preg_replace(
- array( '/[\^\-\]\\\]/S', '/\\\{4}/S', '/\//'),
- array( '\\\\\\0', '\\', '\/' ),
- $charlist
- );
- $pattern = '^[' . $chars . ']*|[' . $chars . ']*$';
- return preg_replace("/$pattern/sSD", '', $value);
- }
- }