--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Filter/StringTrim.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,124 @@
+<?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: StringTrim.php 23401 2010-11-19 18:52:08Z ramon $
+ */
+
+/**
+ * @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_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);
+    }
+}