class.ilHtmlPurifierComposite.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
 
require_once 'Services/Html/interfaces/interface.ilHtmlPurifierInterface.php';
 
class ilHtmlPurifierComposite implements ilHtmlPurifierInterface
{
        protected $purifiers = array();
        
        public function addPurifier(ilHtmlPurifierInterface $a_purifier)
        {
                $key = array_search($a_purifier, $this->purifiers);
                if(false === $key)
                {
                        $this->purifiers[] = $a_purifier;
                        return true;
                }               
                
                return false;
        }
        
        public function removePurifier(ilHtmlPurifierInterface $a_purifier)
        {
                $key = array_search($a_purifier, $this->purifiers);
                if(false === $key)
                {
                        return false;
                }
                unset($this->purifiers[$key]);          
                
                return true;
        }
        
        public function purify($a_html)
        {
                foreach($this->purifiers as $oPurifier)
                {
                        $a_html = $oPurifier->purify($a_html);
                }
                
                return $a_html;
        }
        
        public function purifyArray(Array $a_array_of_html)
        {               
                foreach($a_array_of_html as $key => $html)
                {               
                        foreach($this->purifiers as $oPurifier)
                        {
                                $html = $oPurifier->purify($html);
                        }
                        
                        $a_array_of_html[$key] = $html;
                }
                
                return $a_array_of_html;
        }
}
?>