Code-Snippets-Functions/Execute a function on a child site/WooCommerce/conditionally-force-sold-individually-cart.txt

add_filter( 'woocommerce_is_sold_individually', 'wc_product_max_1_cart_stock_low', 9999, 2 );
 
function wc_product_max_1_cart_stock_low( $individually, $product ) {
   if ( $product->get_stock_quantity() < 3 ) {
      $individually = true;
   }
   return $individually;
}