WordPress Check current category has child category

$current_cat_obj = get_queried_object();
$children_category = category_has_children($current_cat_obj->term_id,’product_cat’);
function category_has_children( $term_id = 0, $taxonomy = ‘category’ ) {
$children = get_categories( array( ‘child_of’ => $term_id, ‘taxonomy’ => $taxonomy ) );
return ( $children );
}

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