I just found this which I applied and works perfectly: If you have your blogs installed in subdirectories you could use this solution: if (strpos($_SERVER[‘REQUEST_URI’], ‘/enblog’) === 0) { define (‘WPLANG’, ‘en_US’); } else { define (‘WPLANG’, ‘pl_PL’); } … and so on. Good luck!
If your just looking for a way for your site to be viewed in other languages I would defiantly recommend using Google Translate Tools. I just add it to the theme: <div id=”google_translate_element”><span id=”trans”>Translate: </span></div> You can hide the Google Logo and funky colors in your css: .goog-logo-link{display:none;} Instead of calling the Google Translate js … Read more
I think and use the way about an WP Multisite install, see my answer, background, information and benefit on a older question.
How to reload wordpress textdomains at runtime
I guess you could use either HTML5 or IP based geolocation, set a current_language cookie and you are good to go. Or even better if you just simply ask the user about it. WordPress translation is not equal to multi-language by any means.
For the multilingual setup I´d recommend using WordPress Multisite. You can give each site it´s own top-level domain, or host them on subdomains or subdirectories. All sites in the network will share the same database (although they´ll have separate tables). To query the products you have a few options: Use switch_to_blog to query the other … Read more
When a user creates a new page/post/product on one site, use the XML-RPC API to create a matching one on the other site. Make sure to save the ID of the original post under a meta key for the “duplicate” post, and then use the response ID from the API to save the “duplicate” ID … Read more
I’m not completely sure whether this is what you want, but if the option page is in one language you can simply put the gettext call in the custom field itself to avoid using variables. For the admin you force the translation to spanish: function wpse227983_force_language ( $locale ) { if ( is_admin() ) { … Read more
How to have english digits in some posts with an rtl WordPress theme
The text_direction property of the WP_Locale class defaults to ‘ltr’ as per it’s declaration, then may be modified in the class’s init() initialization function in wp-includes/locale.php (near line #207 in WP 4.5) with the following logic: // Set text direction. if ( isset( $GLOBALS[‘text_direction’] ) ) $this->text_direction = $GLOBALS[‘text_direction’]; /* translators: ‘rtl’ or ‘ltr’. This … Read more