Set All pruduct categories Ukrainian Language

index.php

add_action( 'wp', 'porto_child_categories' );
function porto_child_categories() {
	$categories = get_terms(
		[
			'taxonomy' => 'product_cat',
			'lang'     => ''
		]
	);
	foreach( $categories as $category ) {
		pll_set_term_language( $category->term_id, 'uk' );
	}
}