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How one theme can have two textdomains and still work with translation systems.
<?php
/**
* The purpose of this file is to show how a theme can have multiple textdomains
* and still work with a single translation file. Translation tools like the
* one used on WordPress.org and Poedit are going to simply scan the project for
* text strings, regardless of the textdomain (and for good reasons that are
* not relevant here).
*
* The code below works with that system. It assumes that we have a single MO
* file based on the theme's textdomain. So, how can two textdomains work? It
* does this by assigning the loaded strings in the MO file to the framework
* textdomain (remember that the translation system captures all strings no matter
* the textdomain). That way, when a string is called using the framework
* textdomain, the string will be properly translated.
*/
add_action( 'after_setup_theme', 'jt_load_textdomains' );
function jt_load_textdomains() {
// Load theme textdomain.
load_theme_textdomain( 'jt-theme', get_template_directory() . '/languages' );
// Load the framework textdomain.
load_textdomain( 'jt-framework', '' );
}
add_filter( 'override_load_textdomain', 'jt_override_load_textdomain', 10, 2 );
function jt_override_load_textdomain( $override, $domain ) {
// Check if the domain is our framework domain.
if ( 'jt-framework' === $domain ) {
global $l10n;
// If the theme's textdomain is loaded, assign the theme's translations
// to the framework's textdomain.
if ( isset( $l10n[ 'jt-theme' ] ) )
$l10n[ $domain ] = $l10n[ 'jt-theme' ];
// Always override. We only want the theme to handle translations.
$override = true;
}
return $override;
}
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