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;
    }
}