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Instalasi Dasar

Instalasi file librari Smarty yang ada dalam sub direktori /libs/ dari distributsi. Ini adalah file .php yang TIDAK BOLEH diedit. Ia berbagi diantara seluruh aplikasi dan hanya diubah ketika anda meingkatkannya ke versi Smarty baru.

Dalam contoh di bawah ini Smarty tarball telah diuraikan ke:

  • /usr/local/lib/Smarty-v.e.r/ untuk mesin *nix

  • dan c:\webroot\libs\Smarty-v.e.r\ untuk lingkungan windows.

Teladan 2-1. File librari Smarty yang Diperlukan

Smarty-v.e.r/
   libs/
      Smarty.class.php
      Smarty_Compiler.class.php
      Config_File.class.php
      debug.tpl
      internals/*.php  (all of them)
      plugins/*.php    (all of them)

Smarty menggunakan konstan PHP bernama SMARTY_DIR yang merupakan path file sistem lengkap ke direktori libs/ Smarty. Pada dasarnya, jika aplikasi anda dapat menemukan file Smarty.class.php, anda tidak perlu menyetel SMARTY_DIR karena Smarty akan mengetahui dirinya sendiri. Oleh karena itu, jika Smarty.class.php tidak dalam include_path anda, atau anda tidak menyertakan path absolut kepadanya dalam aplikasi anda, maka anda harus mendefinisikan SMARTY_DIR secara manual. SMARTY_DIR harus menyertakan akhiran garis miring/.

Ini adalah bagaimana anda membuat turunan Smarty dalam naskah PHP anda:

'); ?>

Coba menjalankan naskah di atas. Jika anda mendapatkan kesalahan yang mengatakan Smarty.class.php file could not be found, anda perlu melakukan salah satu dari yang berikut:

Teladan 2-2. Setel konstan SMARTY_DIR secara manual

'); ?>

Teladan 2-3. Sertakan path absolut ke file librari

'); ?>

Teladan 2-4. Tambah path librari ke file php.ini

Teladan 2-5. Menambahkan path include dalam naskah PHP dengan ini_set()

'); ?>

Sekarang file librari itu di tempatnya, waktunya menyiapkan direktori Smarty untuk aplikasi anda:

  • Smarty memerlukan empat direktori yang secara standar bernama templates/, templates_c/, configs/ dan cache/

  • Setiap dari yang di atas tersebut bisa didefinisikan dengan properti kelas Smarty masing-masing $template_dir, $compile_dir, $config_dir, dan $cache_dir

  • It is highly recommended that you setup a separate set of these directories for each application that will use Smarty

For our installation example, we will be setting up the Smarty environment for a guest book application. We picked an application only for the purpose of a directory naming convention. You can use the same environment for any application, just replace guestbook/ with the name of your application.

Teladan 2-6. What the file structure looks like

/usr/local/lib/Smarty-v.e.r/libs/
        Smarty.class.php
        Smarty_Compiler.class.php
        Config_File.class.php
        debug.tpl
        internals/*.php
        plugins/*.php

/web/www.example.com/
        guestbook/
                templates/
                    index.tpl
                templates_c/
                configs/
                cache/
                htdocs/
                    index.php

Be sure that you know the location of your web server's document root as a file path. In the following examples, the document root is /web/www.example.com/guestbook/htdocs/. The Smarty directories are only accessed by the Smarty library and never accessed directly by the web browser. Therefore to avoid any security concerns, it is recommended (but not mandatory) to place these directories outside of the web server's document root.

You will need as least one file under your document root, and that is the script accessed by the web browser. We will name our script index.php, and place it in a subdirectory under the document root /htdocs/.

Smarty will need write access (windows users please ignore) to the $compile_dir and $cache_dir directories (templates_c/ and cache/), so be sure the web server user account can write to them.

Catatan: This is usually user "nobody" and group "nobody". For OS X users, the default is user "www" and group "www". If you are using Apache, you can look in your httpd.conf file to see what user and group are being used.

Teladan 2-7. Permissions and making directories writable

chown nobody:nobody /web/www.example.com/guestbook/templates_c/
chmod 770 /web/www.example.com/guestbook/templates_c/

chown nobody:nobody /web/www.example.com/guestbook/cache/
chmod 770 /web/www.example.com/guestbook/cache/

Note: chmod 770 will be fairly tight security, it only allows user "nobody" and group "nobody" read/write access to the directories. If you would like to open up read access to anyone (mostly for your own convenience of viewing these files), you can use 775 instead.

We need to create the index.tpl file that Smarty will display. This needs to be located in the $template_dir.

Teladan 2-8. /web/www.example.com/guestbook/templates/index.tpl

{* Smarty *}

Hello {$name}, welcome to Smarty!

Technical Note: {* Smarty *} is a template comment. It is not required, but it is good practice to start all your template files with this comment. It makes the file easy to recognize regardless of the file extension. For example, text editors could recognize the file and turn on special syntax highlighting.

Now lets edit index.php. We'll create an instance of Smarty, assign() a template variable and display() the index.tpl file.

Teladan 2-9. Editing /web/www.example.com/docs/guestbook/index.php

template_dir = \'/web/www.example.com/guestbook/templates/\'; $smarty->compile_dir = \'/web/www.example.com/guestbook/templates_c/\'; $smarty->config_dir = \'/web/www.example.com/guestbook/configs/\'; $smarty->cache_dir = \'/web/www.example.com/guestbook/cache/\'; $smarty->assign(\'name\',\'Ned\'); //** un-comment the following line to show the debug console //$smarty->debugging = true; $smarty->display(\'index.tpl\'); ?>'); ?>

Note: In our example, we are setting absolute paths to all of the Smarty directories. If /web/www.example.com/guestbook/ is within your PHP include_path, then these settings are not necessary. However, it is more efficient and (from experience) less error-prone to set them to absolute paths. This ensures that Smarty is getting files from the directories you intended.

Now naviagate to the index.php file with the web browser. You should see "Hello Ned, welcome to Smarty!"

You have completed the basic setup for Smarty!

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