wp-includes/class-wp-textdomain-registry.php:93Returns the languages directory path for a specific domain and locale.
$domainstring$localestringstring|falseOne hook fires while WP_Textdomain_Registry::get() runs, in this order:
Filters the determined languages directory path for a specific domain and locale.
public function get( $domain, $locale ) { $path = $this->all[ $domain ][ $locale ] ?? $this->get_path_from_lang_dir( $domain, $locale ); /** * Filters the determined languages directory path for a specific domain and locale. * * @since 6.6.0 * * @param string|false $path Languages directory path for the given domain and locale. * @param string $domain Text domain. * @param string $locale Locale. */ return apply_filters( 'lang_dir_for_domain', $path, $domain, $locale ); }Introduced in 6.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-textdomain-registry.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.