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_get_path_to_translation_from_lang_dir( string $domain )

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness. Use _get_path_to_translation() instead.

Gets the path to a translation file in the languages directory for the current locale.

Description

Holds a cached list of available .mo files to improve performance.

See also

Parameters

$domain

(string) (Required) Text domain. Unique identifier for retrieving translated strings.

Return

(string|false) The path to the translation file or false if no translation file was found.

Source

File: wp-includes/l10n.php

function _get_path_to_translation_from_lang_dir( $domain ) {
	static $cached_mofiles = null;

	if ( null === $cached_mofiles ) {
		$cached_mofiles = array();

		$locations = array(
			WP_LANG_DIR . '/plugins',
			WP_LANG_DIR . '/themes',
		);

		foreach ( $locations as $location ) {
			$mofiles = glob( $location . '/*.mo' );
			if ( $mofiles ) {
				$cached_mofiles = array_merge( $cached_mofiles, $mofiles );
			}
		}
	}

	$locale = determine_locale();
	$mofile = "{$domain}-{$locale}.mo";

	$path = WP_LANG_DIR . '/plugins/' . $mofile;
	if ( in_array( $path, $cached_mofiles ) ) {
		return $path;
	}

	$path = WP_LANG_DIR . '/themes/' . $mofile;
	if ( in_array( $path, $cached_mofiles ) ) {
		return $path;
	}

	return false;
}

Changelog

Version Description
4.7.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_get_path_to_translation_from_lang_dir