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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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Filter_Interface
  */
 // require_once 'Zend/Filter/Interface.php';
 
 /**
  * @category   Zend
  * @package    Zend_Filter
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Filter_HtmlEntities implements Zend_Filter_Interface
 {
     /**
      * Corresponds to the second htmlentities() argument
      *
      * @var integer
      */
     protected $_quoteStyle;
 
     /**
      * Corresponds to the third htmlentities() argument
      *
      * @var string
      */
     protected $_encoding;
 
     /**
      * Corresponds to the forth htmlentities() argument
      *
      * @var unknown_type
      */
     protected $_doubleQuote;
 
     /**
      * Sets filter options
      *
      * @param  integer|array $quoteStyle
      * @param  string  $charSet
      * @return void
      */
     public function __construct($options = array())
     {
         if ($options instanceof Zend_Config) {
             $options = $options->toArray();
         } else if (!is_array($options)) {
             $options = func_get_args();
             $temp['quotestyle'] = array_shift($options);
             if (!empty($options)) {
                 $temp['charset'] = array_shift($options);
             }
 
             $options = $temp;
         }
 
         if (!isset($options['quotestyle'])) {
             $options['quotestyle'] = ENT_COMPAT;
         }
 
         if (!isset($options['encoding'])) {
             $options['encoding'] = 'UTF-8';
         }
         if (isset($options['charset'])) {
             $options['encoding'] = $options['charset'];
         }
 
         if (!isset($options['doublequote'])) {
             $options['doublequote'] = true;
         }
 
         $this->setQuoteStyle($options['quotestyle']);
         $this->setEncoding($options['encoding']);
         $this->setDoubleQuote($options['doublequote']);
     }
 
     /**
      * Returns the quoteStyle option
      *
      * @return integer
      */
     public function getQuoteStyle()
     {
         return $this->_quoteStyle;
     }
 
     /**
      * Sets the quoteStyle option
      *
      * @param  integer $quoteStyle
      * @return Zend_Filter_HtmlEntities Provides a fluent interface
      */
     public function setQuoteStyle($quoteStyle)
     {
         $this->_quoteStyle = $quoteStyle;
         return $this;
     }
 
 
     /**
      * Get encoding
      *
      * @return string
      */
     public function getEncoding()
     {
          return $this->_encoding;
     }
 
     /**
      * Set encoding
      *
      * @param  string $value
      * @return Zend_Filter_HtmlEntities
      */
     public function setEncoding($value)
     {
         $this->_encoding = (string) $value;
         return $this;
     }
 
     /**
      * Returns the charSet option
      *
      * Proxies to {@link getEncoding()}
      *
      * @return string
      */
     public function getCharSet()
     {
         return $this->getEncoding();
     }
 
     /**
      * Sets the charSet option
      *
      * Proxies to {@link setEncoding()}
      *
      * @param  string $charSet
      * @return Zend_Filter_HtmlEntities Provides a fluent interface
      */
     public function setCharSet($charSet)
     {
         return $this->setEncoding($charSet);
     }
 
     /**
      * Returns the doubleQuote option
      *
      * @return boolean
      */
     public function getDoubleQuote()
     {
         return $this->_doubleQuote;
     }
 
     /**
      * Sets the doubleQuote option
      *
      * @param boolean $doubleQuote
      * @return Zend_Filter_HtmlEntities Provides a fluent interface
      */
     public function setDoubleQuote($doubleQuote)
     {
         $this->_doubleQuote = (boolean) $doubleQuote;
         return $this;
     }
 
     /**
      * Defined by Zend_Filter_Interface
      *
      * Returns the string $value, converting characters to their corresponding HTML entity
      * equivalents where they exist
      *
      * @param  string $value
      * @return string
      */
     public function filter($value)
     {
         $filtered = htmlentities((string) $value, $this->getQuoteStyle(), $this->getEncoding(), $this->getDoubleQuote());
         if (strlen((string) $value) && !strlen($filtered)) {
             if (!function_exists('iconv')) {
                 // require_once 'Zend/Filter/Exception.php';
                 throw new Zend_Filter_Exception('Encoding mismatch has resulted in htmlentities errors');
             }
             $enc      = $this->getEncoding();
             $value    = iconv('', $enc . '//IGNORE', (string) $value);
             $filtered = htmlentities($value, $this->getQuoteStyle(), $enc, $this->getDoubleQuote());
             if (!strlen($filtered)) {
                 // require_once 'Zend/Filter/Exception.php';
                 throw new Zend_Filter_Exception('Encoding mismatch has resulted in htmlentities errors');
             }
         }
         return $filtered;
     }
 }