_filter_block_template_part_area( string $type ): string

267function _filter_block_template_part_area( $type ) {268	$allowed_areas = array_map(269		static function ( $item ) {270			return $item['area'];271		},272		get_allowed_block_template_part_areas()273	);274	if ( in_array( $type, $allowed_areas, true ) ) {275		return $type;276	}277 278	$warning_message = sprintf(279		/* translators: %1$s: Template area type, %2$s: the uncategorized template area value. */280		__( '"%1$s" is not a supported wp_template_part area value and has been added as "%2$s".' ),281		$type,282		WP_TEMPLATE_PART_AREA_UNCATEGORIZED283	);284	wp_trigger_error( __FUNCTION__, $warning_message );285	return WP_TEMPLATE_PART_AREA_UNCATEGORIZED;286}