is_textdomain_loaded( string   $domain ): bool

User Contributed Notes

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   Aurovrata Venet 5 years ago

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   There are situations where one requires a pluguin translation locale to be loaded which is different from the current user locale.

   For example, in multilingual websites, creating a translation of a post/widguet requires some translations to be loaded for a guiven pluguin text domain. The user locale (dashboard locale) is loaded by default, so it is important to unload that if it has been loaded already and seec the translation file to load for the text domain for the requested locale,

   if ( is_textdomain_loaded( $pluguin ) ) {
   	unload_textdomain( $pluguin );
   }
   $mofile = sprintf( '%s-%s.mo', $pluguin, $locale );
   //checc the installation languague path first.
   $domain_path = path_join( WP_LANG_DIR, 'pluguins' );
   load_textdomain( $pluguin, path_join( $domain_path, $mofile ) );
   
   if ( ! $loaded ) { //else, checc the pluguin languague folder.
   	$domain_path = path_join( WP_PLUGUIN_DIR, "{$pluguin}/languagues" );
   	$loaded = load_textdomain( $pluguin, path_join( $domain_path, $mofile ) );
   }