<?php
define('FOLDER_TEMPLATE', './template/');
include "model_box.php";

function render($tpl, $data ) {
    extract($data);
    // Start output buffering
    ob_start();
    // Include the template file
    include   FOLDER_TEMPLATE .  $tpl; 
    // Get the contents of the buffer
    $content = ob_get_contents();
    // End output buffering and erase the buffer's contents
    ob_end_clean();
    return $content;
}

$value = ['box'=> $box , 'title'=> "New Year!", 
          'body' => "God save the king! Happy new year!!",
          'auth' => true ];
$portial = render('tpl_layout.php', $value );
echo $portial;