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I've found that any WordPress theme uses this functions, but I don't understand what is the purpose of it and what is it, in this case 'themify'? Here are some examples in Themify functions.php:

1).

load_theme_textdomain( 'themify', TEMPLATEPATH.'/languages' );

2).

if (function_exists('register_nav_menus')) {
        register_nav_menus( array(
            'main-nav' => __( 'Main Navigation', 'themify' ),
            'footer-nav' => __( 'Footer Navigation', 'themify' ),
        ) );
    }

And in tempate file:

3). <?php _e( 'Sorry, nothing found.', 'themify' ); ?>

And many more! My doubt is what is 'themify' stand for? What is their purpose? Could I Change it or delete it? What is the place, 'themify', for?

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1 Answer

up vote 10 down vote accepted

In this case, 'themify' is the defined textdomain for the Theme, used to make the Theme translatable. (Codex reference: load_theme_textdomain()).

Making a Theme translation-ready requires a few steps.

  1. Define the Theme's textdomain:

    load_theme_textdomain( 'themify', TEMPLATEPATH.'/languages' );
    
  2. Define translatable strings in the template.

    This is done using one of a few translation functions: __() (for returned strings), _e() (for echoed strings), and _x()/_ex() (for gettext context strings). There are others, but you get the idea...

    A static text string, such as <p>Hello world!</p>, is wrapped in an appropriate translation function, such as <p><?php _e( 'Hello World!', 'themify' ); ?></p>, to make it available for translation.

  3. Generate the .mo/.po files
    reference on how to edit language files

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@SokVanrithy, refer to this Q&A for how to handle .mo/.po files. (Chip, I haven't added the link into your Answer as you may have another recommendation:) –  brasofilo Dec 11 '12 at 19:51
1  
@brasofilo feel free to add it if you'd like. I think it's out of scope for the question as-asked, but still useful information. –  Chip Bennett Dec 11 '12 at 19:55
    
So themify what happen if I change them. In my case of Themify Theme! Thanks! –  Sok Vanrithy Dec 12 '12 at 2:59
    
Why would you change it? Are you forking the Theme? –  Chip Bennett Dec 12 '12 at 3:11
1  
Sure, you can get rid of them; but it also doesn't hurt just to leave them. You can even change the textdomain to a different string, to reference your forked Theme. Development best practices include making Themes translatable, so I would advise against removing them entirely. That said, you certainly can, if you choose to. –  Chip Bennett Dec 12 '12 at 13:20
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