is_textdomain_loaded( string $domain ): bool

Determines whether there are translations for the text domain.

Contents

Parameters
Return
Source
Related
- Used By
Changelog
User Contributed Notes

Parameters

$domain string Required: Text domain. Unique identifier for retrieving translated strings.

Return

bool Whether there are translations.

Source

File: wp-includes/l10n.php. View all references

function is_textdomain_loaded( $domain ) {
	global $l10n;
	return isset( $l10n[ $domain ] );
}

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Used By

Used By
Used By	Description
_get_plugin_data_markup_translate() wp-admin/includes/plugin.php	Sanitizes plugin data, optionally adds markup, optionally translates.
WP_Theme::load_textdomain() wp-includes/class-wp-theme.php	Loads the theme’s textdomain.

Changelog

Changelog
Version	Description
3.0.0	Introduced.

User Contributed Notes

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Contributed by Aurovrata Venet — 2 years ago
There are situations where one requires a plugin translation locale to be loaded which is different from the current user locale.

For example, in multilingual websites, creating a translation of a post/widget requires some translations to be loaded for a given plugin 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 seek the translation file to load for the text domain for the requested locale,
```
if ( is_textdomain_loaded( $plugin ) ) {
	unload_textdomain( $plugin );
}
$mofile = sprintf( '%s-%s.mo', $plugin, $locale );
//check the installation language path first.
$domain_path = path_join( WP_LANG_DIR, 'plugins' );
load_textdomain( $plugin, path_join( $domain_path, $mofile ) );

if ( ! $loaded ) { //else, check the plugin language folder.
	$domain_path = path_join( WP_PLUGIN_DIR, "{$plugin}/languages" );
	$loaded = load_textdomain( $plugin, path_join( $domain_path, $mofile ) );
}
```
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