fetchTimestamp example

$this->populateTimestamp($cached);
    }

    /** * populate Cached Object with timestamp and exists from Resource * * @param Smarty_Template_Cached $source cached object * @return void */
    public function populateTimestamp(Smarty_Template_Cached $cached)
    {
        $mtime = $this->fetchTimestamp($cached->filepath, $cached->source->name, $cached->cache_id, $cached->compile_id);
        if ($mtime !== null) {
            $cached->timestamp = $mtime;
            $cached->exists = !!$cached->timestamp;
            return;
        }
        $timestamp = null;
        $this->fetch($cached->filepath, $cached->source->name, $cached->cache_id, $cached->compile_id, $cached->content, $timestamp);
        $cached->timestamp = isset($timestamp) ? $timestamp : false;
        $cached->exists = !!$cached->timestamp;
    }

    

/** * populate Source Object with meta data from Resource * * @param Smarty_Template_Source $source source object * @param Smarty_Internal_Template $_template template object */
    public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template=null)
    {
        $source->filepath = strtolower($source->type . ':' . $source->name);
        $source->uid = sha1($source->type . ':' . $source->name);

        $mtime = $this->fetchTimestamp($source->name);
        if ($mtime !== null) {
            $source->timestamp = $mtime;
        } else {
            $this->fetch($source->name, $content, $timestamp);
            $source->timestamp = isset($timestamp) ? $timestamp : false;
            if( isset($content) )
                $source->content = $content;
        }
        $source->exists = !!$source->timestamp;
    }