source: extensions/Front2Back/Front2Back.php @ 10165

<?php 
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

function Front2Back_content($content, $image)
{
        global $template, $conf;
        $conf['Front2Back'] = explode(',', $conf['Front2Back']);
        load_language('plugin.lang', F2B_PATH);

        /* dirs and files */
        if (empty($conf['Front2Back'][0])) {
                $verso_dir = str_replace($image['file'], null, $image['path']) . $conf['Front2Back'][1];
                $hd_dir = str_replace($image['file'], null, $image['path']) . $conf['Front2Back'][2];
        } else {
                $verso_dir = PHPWG_ROOT_PATH . $conf['Front2Back'][0] . $conf['Front2Back'][1];
                $hd_dir = PHPWG_ROOT_PATH . $conf['Front2Back'][0] . $conf['Front2Back'][2];
        }
        $verso_file = get_filename_wo_extension($image['file']) . $conf['Front2Back'][3] . '.' . get_extension($image['file']);
        $rotat_file = get_filename_wo_extension($image['file']) . '-r.' . get_extension($image['file']);

        $template->set_filenames(array('Front2Back' => dirname(__FILE__) . '/template/Front2Back.tpl') );
        $template->assign('F2B_PATH', F2B_PATH);

        /* Is there a verso file ? */
        if (is_file($verso_dir.$verso_file)) 
        {
                $template->assign('VERSO_URL', $verso_dir.$verso_file);

                if (is_file($hd_dir.$verso_file)) {
                        $template->assign('VERSO_HD', $hd_dir.$verso_file);
                }
        }
        /* useless section, just for retrocompatibility */
        else if (is_file($verso_dir.$rotat_file)) 
        {           
                $template->assign('VERSO_URL', $verso_dir.$rotat_file); 
                
                if (is_file($hd_dir.$rotat_file)) {
                        $template->assign('VERSO_HD', $hd_dir.$rotat_file);
                }
        }
        /* otherwise */
        else 
        {
                return $content;
        }
        
        return $content . $template->parse('Front2Back', true);    
}  

?>