<?PHP
/**
 * patTemplate modfifier Base64
 *
 * $Id$
 *
 * @package patTemplate
 * @package Modifiers
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */

/**
 * patTemplate modifier Base64
 *
 * Base64 encode file
 *
 * @package patTemplate
 * @package Modifiers
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */
class patTemplate_Modifier_Base64 extends patTemplate_Modifier
{
   /**
     * Modify the Value
     *
     * @param string value
     * @param array $params
     * @return string modified value
     */
    public function modify($value, $params = array())
    {
        $params =   array_merge(array(
                        'mime'  =>  'image/png'
                    ), $params);

        $path   =   sprintf('%s/%s'
                        , WBParam::get('wb/dir/base')
                        , $value);

        $fmt        =   'data:%s;base64,%s';
        return sprintf($fmt, $params['mime'], base64_encode(file_get_contents($path)));
    }
}