load_theme_textdomain( string $domain, string|false $path = false ): bool

1082function load_theme_textdomain( $domain, $path = false ) {1083	/** @var WP_Textdomain_Registry $wp_textdomain_registry */1084	/** @var array<string, WP_Translations|NOOP_Translations> $l10n */1085	global $wp_textdomain_registry, $l10n;1086 1087	if ( ! is_string( $domain ) ) {1088		return false;1089	}1090 1091	if ( ! $path ) {1092		$path = get_template_directory();1093	}1094 1095	$wp_textdomain_registry->set_custom_path( $domain, $path );1096 1097	// If just-in-time loading was triggered before, reset the entry so it can be tried again.1098	if ( isset( $l10n[ $domain ] ) && $l10n[ $domain ] instanceof NOOP_Translations ) {1099		unset( $l10n[ $domain ] );1100	}1101 1102	return true;1103}