You should have all your databases utf8_general_ci if you’re website uses other than just Latin characters. Can you have a look at your database tables? If you can then have a look at the wp_posts table and see if they are ???? or actual characters. Otherwise your posts are saved wrong in the DB which … Read more
Just as any regular string, you can use <?php esc_attr_e( ‘Your Search term here’, ‘your_theme_slug’ ); ?> So your code for the <input> would look like <input type=”search” class=”search-field” placeholder=”<?php esc_attr_e( ‘Your Search term here’, ‘your_theme_slug’ ); ?>” value=”<?php echo esc_attr( $search ); ?>” name=”s”> WPML, as well as WordPress, uses the PHP get_text() function. … Read more
This plugin did the job, for both posts and categories: http://wordpress.org/plugins/polylang/
Hijack site url on sub domain for translation
You can not translated dynamic strings with he translation API, you can translate only static strings that you know in advance.
In wp-includes/l10n.php you will find the function get_locale(). It offers a filter; you can set the language and ignore the constant: function get_locale() { global $locale; if ( isset( $locale ) ) return apply_filters( ‘locale’, $locale ); // WPLANG is defined in wp-config. if ( defined( ‘WPLANG’ ) ) $locale = WPLANG; // If multisite, … Read more
What are the downsides to uploading filenames in different languages?
Convert your site to a multisite, then … Create a second site. Set the site language to Persian in Options/General. Set the language of the first site to English. You can install a plugin to link translated posts like MultilingualPress (disclosure: I was the lead developer for that plugin for a long time). You can … Read more
Thx to the comments I found the plugin: Debug MO Translations It returns a list of all searched and loaded MO files. The source code is provided on github: https://github.com/closemarketing/debug-mo-translations
You should edit the theme and add the use of translation API https://codex.wordpress.org/I18n_for_WordPress_Developers at the appropriate places.