gistfile1.php

<?php
    require_once("/smarty/libs/Smarty.class.php");
    
    $smarty = new Smarty();
    $smarty->template_dir = "./templates";
    $smarty->compile_dir = "./templates/compile";

    $left_menu = $smarty->fetch("sidebar-reg.html");
    $content = $smarty->fetch("registration-form.html");
    
    $smarty->assign("left_menu", $left_menu);
    $smarty->assign("right_content", $content);
    
    $smarty->display("main_template.html")
?>