<?php
require_once("smarty/Smarty.class.php");
//for the real site you would define Smarty settings in the site configuration script
$TEMPLATE_OPTIONS = array(
'TEMPLATE_DIR' => 'templates',
'MAIL_TEMPLATE_DIR' => 'templates',
'COMPILE_DIR' => 'smarty/template_c/',
'CACHE_DIR'=> 'smarty/cache/',
'CONFIG_DIR'=> './',
'CACHING'=> false,
'CACHE_LIFETIME'=> 0,
'COMPILE_CHECK'=> true,
);
/***********************************************************
Define custom class that configures Smarty
***********************************************************/
class MySmarty extends Smarty {
var $page_title='';
var $error_codes;
var $config;
static private $instance;
/**
* @return object MySmarty
* @ desc returns an instance of MySmarty class
*/
static public function factory(){
isset(self::$instance) || self::$instance=new MySmarty();
return self::$instance;
}
function __construct(){
$c = $this->config = $GLOBALS['TEMPLATE_OPTIONS'];
//directories
$this->template_dir = $c['TEMPLATE_DIR'].'/';
$this->compile_dir = $c['COMPILE_DIR'];
$this->compile_check = $c['COMPILE_CHECK'];
$this->config_dir = $c['CONFIG_DIR'];
//configure caching
$this->cache_dir = $c['CACHE_DIR'];
$this->caching = $c['CACHING'];
$this->cache_lifetime = $c['CACHE_LIFETIME'];
$this->cache_modified_check = true;
//call original Smarty constructor
Smarty::Smarty();
}
/**
* Check if the template file exists
*
* @param string $template_name
* @return bool
*/
function templateExists($template_name){
//don't allow access to the upper directories
if (strrpos($template_name,'..')!==false){
return false;
}
$file_name = $this->template_dir.'/'.$template_name;
if (is_file($file_name) && is_readable($file_name)){
return true;
}
return false;
}
//end of the class
}
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