Extended Setup
This is a continuation of the basic installation, please read
that first!
A slightly more flexible way to setup Smarty is to extend the class and
initialize your Smarty environment. So instead of repeatedly setting
directory paths, assigning the same vars, etc., we can do that in one place.
Lets create a new directory "/php/includes/guestbook/" and make a new file
called "setup.php". In our example environment, "/php/includes" is in our
include_path. Be sure you set this up too, or use absolute file paths.
Пример 2-10. Editing /php/includes/guestbook/setup.php
// load Smarty library
require('Smarty.class.php');
// The setup.php file is a good place to load
// required application library files, and you
// can do that right here. An example:
// require('guestbook/guestbook.lib.php');
class Smarty_GuestBook extends Smarty {
function Smarty_GuestBook() {
// Class Constructor. These automatically get set with each new instance.
$this->Smarty();
$this->template_dir = '/web/www.mydomain.com/smarty/guestbook/templates/';
$this->compile_dir = '/web/www.mydomain.com/smarty/guestbook/templates_c/';
$this->config_dir = '/web/www.mydomain.com/smarty/guestbook/configs/';
$this->cache_dir = '/web/www.mydomain.com/smarty/guestbook/cache/';
$this->caching = true;
$this->assign('app_name','Guest Book');
}
}
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Now lets alter the index.php file to use setup.php:
Пример 2-11. Editing /web/www.mydomain.com/docs/guestbook/index.php
require('guestbook/setup.php');
$smarty = new Smarty_GuestBook;
$smarty->assign('name','Ned');
$smarty->display('index.tpl');
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Now you see it is quite simple to bring up an instance of Smarty, just use
Smarty_GuestBook which automatically initializes everything for our application.